HESI Dental Hygiene Exam 200 Questions with Verified Answers
Under which classification of gingival diseases and conditions is puberty-associated
... [Show More] gingivitis found? - CORRECT ANSWER Plaque-Induced Gingival diseases modified by systemic factors
A patient presents with a short, thick lingual frenum that results in limited tongue movement affecting speech. Which is the most likely diagnosis of this condition? - CORRECT ANSWER Ankyloglossia
When is tooth eruption complete? - CORRECT ANSWER Tooth has made contact with its antagonists in opposing jaw
When does mixed dentition begin? - CORRECT ANSWER Eruption of first permanent tooth
How many succedaneous teeth are in permanent dentition? - CORRECT ANSWER 20
The junction of a buccal and lingual triangular ridge is a transverse ridge. The oblique ridge of a maxillary molar is an example of a transverse ridge. - CORRECT ANSWER The first statement is true and the second is false
Which factor makes aging enamel less susceptible to caries? - CORRECT ANSWER reduced permeability
Which groove is the most identifying characteristic of a three-cusp mandibular second premolar? - CORRECT ANSWER Distolingual
Which is true regarding the height of contour? - CORRECT ANSWER Greatest elevation of tooth either incisocervically or occlusocervically
How many primary and permanent teeth are typically present in an eight yr old child? - CORRECT ANSWER 14 primary; 10 permanent
Which describes the junction of two surfaces of a crown? - CORRECT ANSWER line angle
Which G.V. Black classification involves the proximal surfaces of anterior teeth including the incised edge or angle? - CORRECT ANSWER IV
Which ridge is a unique characteristic of permanent maxillary molars? - CORRECT ANSWER Oblique
Which division of the fifth cranial nerve innervates the temporomandibular joint? - CORRECT ANSWER Mandibular
Facial paralysis can result from damage to the motor neurons of which cranial nerve? - CORRECT ANSWER VII
Which is the target area for the inferior alveolar nerve block? - CORRECT ANSWER mandibular foramen on medial surface of mandible
Which salivary gland is encapsulated? - CORRECT ANSWER Sublingual
Which type of joint is the temporomandibular? - CORRECT ANSWER Synovial
Which peripheral nervous system and subdivision are responsible for a shutdown of salivary gland secretion? - CORRECT ANSWER autonomic; sympathetic
Destroyed enamel cannot reform since the cells that formed it no longer exist. Cavitated enamel can repair itself by the incorporation of calcium and phosphate ions from saliva? - CORRECT ANSWER First statement is true second statement is false
Which bacterium is most important in causing the progression of carious lesions? - CORRECT ANSWER Aciduric
Anaerobe bacteria - CORRECT ANSWER grow only in the absence of oxygen
Which bacterial structure interferes with phagocytosis? - CORRECT ANSWER capsule
Which bacteria grow best in refrigerated conditions? - CORRECT ANSWER Psychrophils
Endotoxin is a virulence property of - CORRECT ANSWER gram-negative bacteria
When comparing viruses to bacteria, viruses - CORRECT ANSWER enter host cells before they can multiply
Which is treated with nystatin? - CORRECT ANSWER Candidiasis
Which is detected in the blood within two months after successful immunization with the hepatitis B vaccine? - CORRECT ANSWER Anti-HBs
Which hypersensitivity reaction is an allergy to the natural rubber latex in examination gloves? - CORRECT ANSWER I
Which bacterial genus contains species that cause pneumatic fever, scarlet fever, and pharyngitis? - CORRECT ANSWER Streptococcus
Each of the following is an antituberculin agent EXCEPT one. Which is the EXCEPTION?
A. Ethambutol
B. Isoniazid
C. Nizoral
D. Rifampin - CORRECT ANSWER C. Nizoral
Which condition warrants antibiotic premedication? - CORRECT ANSWER Repaired congenital heart disease
It is noted the medical history the patient has mitral valve prolapse, a stent, pneumatic heart disease, and a renal dialysis shunt. For which condition does the patient require antibiotic predication? - CORRECT ANSWER Renal dialysis shunt
A patient's prescription has the abbreviation "qid" meaning? - CORRECT ANSWER take medication four times a day
Which schedule of controlled substance is indicated when a prescription states "NO REFILLS" - CORRECT ANSWER schedule II controlled substance
Which vitamin deficiency results from long-term recreational abuse of nitrous oxide? - CORRECT ANSWER Cobalamin (vitamin B-12)
Each of the following is a calcium blocking agent EXCEPT one. Which one is the EXCEPTION? - CORRECT ANSWER Propranolol (adrenergic blocking agent which reduces high blood pressure)
Which food is a good source of vitamin K? - CORRECT ANSWER Kale!
;milk is an excellent source of calcium; strawberries & sweet potatoes are rich in vitamin c
Which medication is administered to manage an acute asthma attack? - CORRECT ANSWER Albuterol
short acting bronchodilator results in an immediate response to an acute asthma attack
Lipitor is a/an - CORRECT ANSWER statin
(lowers cholesterol levels)
Consuming foods high in retinol will help prevent night blindness because vitamin D helps absorb calcium. - CORRECT ANSWER Both the statement and reason are correct but not related.
Consuming foods high in retinol will help prevent night blindness. Vitamin D DOES help absorb calcium.
Which meal lacks an excellent source of vitamin C? - CORRECT ANSWER Steak, brown rice, and corn
Although corn has some vitamin C, it is not an excellent source as provided from broccoli, strawberries, and cantaloupe
Which element is found in proteins and not carbohydrates? - CORRECT ANSWER Iron
Nitrogen is found in protein, but not carbohydrates. Iron is not an element found in either nutrient. Carbon and oxygen are found in carbohydrates and proteins.
Some vitamin K requirements are met through the synthesis of - CORRECT ANSWER intestinal bacteria
Which vitamin is associated with the deficiency beriberi? - CORRECT ANSWER Thiamin
Which is primarily responsible for pharmacologic metabolism? - CORRECT ANSWER Liver
Which procedure establishes the most definitive diagnosis for oral cancer? - CORRECT ANSWER Scalpel biopsy
A 17 yr old presents for a third molar evaluation. The panoramic radiograph reveals the apical thirst of roots #1 & #2 have fused together. Which best defines this anomaly? - CORRECT ANSWER Concrescence
Concrescence is the fusion of 2 individually developed teeth with cementum only. Gemination occurs when a single tooth bud forms tow joined teeth.
A patient's intramural examination reveals a well-circumscribed, raised lesion along the lateral border of the tongue. The lesion is soft, deep purple and measures 2mm diameter. The patient believes it first appeared after accidentally biting the tongue. Which best defines the lesion? - CORRECT ANSWER Hemangioma
Intraoral lesions may occur with each of the following condition EXCEPT one. Which one is the EXCEPTION? - CORRECT ANSWER Basal cell carcinoma
Basal cell carcinoma is a skin tumor often found the face or lips, not the oral cavity.
Which infectious disease is NOT caused by the coxsackievirus? - CORRECT ANSWER Verruca vulgaris
Verruca vulgaris is an oral wart caused by the human papilloma virus (HPV)
In which region does an early symptom of measles appear? - CORRECT ANSWER Buccal mucosa
A pregnant woman reports a freely moveable, deep red tissue mass, which extends from the labial gingival between maxillary right premolars. The surface of the lesion is ulcerated and bleeds easily. A histologic analysis indicates the lesion is composed of connective tissue, capillaries, and inflammatory cells. Which best defines the lesion? - CORRECT ANSWER Pyogenic granuloma
A patient's buccal mucosa exhibits tiny white nodules connected by slender raised lines in a lace-like pattern. This finding is a clinical manifestation of - CORRECT ANSWER lichen plants
The parents of a 7 yr old are concerned by the development a soft, blue, vesicle-like swelling on the gingiva where tooth #8 is expected to erupt. No significant radiographic findings exist other than the partial eruption of tooth #8. Which course of action is recommended? - CORRECT ANSWER No treatment is required; the cyst will dissipate naturally.
Which best describes the etiology of pemphigus vulgaris? - CORRECT ANSWER Autoimmune response
The most common tumor of the salivary glands is ranula. A ranula is clinically found on the floor of the mouth. - CORRECT ANSWER The first statement is false, the second is true.
During pregnancy, when do most embryonic cleft malformations occur? - CORRECT ANSWER First trimester
Where is chronic atrophic candidiasis most likely found? - CORRECT ANSWER Palate
Which description best explains the phenomenon of referred pain? - CORRECT ANSWER Convergence of sensory nerve impulses
Which results will ensue if a kilovolt peak (kVp) below 65 is used when exposing radiographs? - CORRECT ANSWER Exposure to radiation is increased
Each of the following compounds is used to fluoridate domestic water systems EXCEPT one. Which one is the EXCEPTION?
A. Acidulated phosphate
B. Hydrofluorosilicic acid
C. Sodium fluoride
D. Sodium silicofluoride - CORRECT ANSWER Acidulated phosphate
Acidulated phosphate is an in-office, professional topical fluoride.
Most dental sealants places are self cured because this process allows for a longer working time for the operator. - CORRECT ANSWER NEITHER the statement NOR the reason is correct.
Each of the following patients would benefit from prescription fluoride supplements EXCEPT one. Which one is the EXCEPTION? - CORRECT ANSWER 33 yr old female in her second trimester of pregnancy who drinks unfluoridated water.
In addition to bleeding, which other characteristic best describes a mild case of gingivitis? - CORRECT ANSWER Areas of pseudopocketing
Each of the following are true concerning professionally applied topical fluoride in a tray EXCEPT one. Which one is the EXCEPTION? - CORRECT ANSWER Ask patient to rinse thoroughly following the application to prevent ingestion.
Which most effectively identifies plaque biofilm on tooth surfaces? - CORRECT ANSWER Disclosing agent
Mobility is a risk factor for periodontal disease progression. Mobility is measures using bidigital evaluation when teeth are not occluded. - CORRECT ANSWER Both statements are true
After taking a periodical of tooth #24 using the paralleling technique, the dental hygienist notices the image appears elongated. How would the dental hygienist correct this error? - CORRECT ANSWER Increase negative vertical angulation
A patient in her seventh mont ho pregnancy begins to feel nauseous during the dental prophylaxis. Suddenly, the patient begins to sweat and starts grasping for air. What is the patient experiencing? - CORRECT ANSWER Supine hypotensive syndrome
Supine hypotensive syndrome is an abrupt fall in blood pressure resulting from compression of the inferior vena cava by the gravid uterus when the patient is in a supine position. It manifests as bradycardia, sweating, nausea, weakness, and air hunger.
Which vaccination does OSHA require employers to offer all personnel at risk of exposure to blood and other potentially infectious materials? - CORRECT ANSWER Hepatitis B
The Hepatitis B airs (HBV) is transmitted through ingestion of foods or water contaminated by an infected person. The Hepatitis A virus (HAV) is transmitted through blood, blood products, or body fluids. - CORRECT ANSWER Both statements are false. It's swapped.
The Hepatitis A virus is transmitted through ingestion of foods or water contaminated by an infected person. The HBV virus is transmitted through blood.
Which pathogen is transmitted via inhalation of airborne droplet nuclei? - CORRECT ANSWER Mycobacterium tuberculosis
Each of the following medical emergencies indicates administration of oxygen EXCEPT one. Which is the EXCEPTION? - CORRECT ANSWER Hyperventilation
Which sounds results from a bronchospasm that occurs during an asthmatic attack? - CORRECT ANSWER Wheezing
Which oral physiotherapy is indicated for a patient with type I embrasures? - CORRECT ANSWER Dental floss
The exaggerated inflammatory response of gingival tissues to local irritants that can occur during pregnancy is commonly known as pregnancy gingivitis. This exaggerated response of gingival tissues is sue to an increase in the systemic level of the hormone testosterone. - CORRECT ANSWER The first statement is true and the second is false
Where on the learning-ladder continuum does a patient recognize a problem and indicate a tentative inclination toward action? - CORRECT ANSWER Self-interest
Where on the learning-ladder continuum does a patient institute a new behavior? - CORRECT ANSWER Action
Where on the learning-ladder continuum is the patient motivated to act on the information provided? - CORRECT ANSWER Involvement
Dental needles are available in three lengths: long, short, and ultrashort. The lower the cause number of the needle, the smaller the diameter of the lumen - CORRECT ANSWER The first statement is true and the second is false
Which is the most common desensitizing agent found in over-the-counter dentifrices? - CORRECT ANSWER Potassium nitrate
Pain threshold is the point at which an uncomfortable stimulus is perceived as painful. Pain tolerance is the maximum amount of pain a person can tolerate. - CORRECT ANSWER Both statements are true.
Which preservative ingredient is in local anesthesics? - CORRECT ANSWER Sodium bisulfite
Which strategy should be implemented for a patient who presents with a sustain blood pressure reading of 160/100 mm Hg with no previous history of hypertension? - CORRECT ANSWER Postpone treatment and refer patient to physician of record.
Which oral hygiene index included all teething the assessment and is used for plaque visualization and oral hygiene motivation? - CORRECT ANSWER O'Leary's Plaque Control Record
Which is classified as an acquired disability? - CORRECT ANSWER Multiple sclerosis (MS)
Which is a developmental disability? - CORRECT ANSWER Chromosomal abnormality
Which should be obtained when physical restraint is recommended for patient safety during a dental procedure? - CORRECT ANSWER Informed consent
Informed consent give permission from a patient, or legal guardian, after the potential risks of treatment have been explained. Implied consent occurs when a patient without a formal agreement, consents to treatment through actions. Informed refusal occurs when a patient declines treatment after a tx plan is presented. Implied approval is not a legal term used in dentistry.
Which person may give consent when presenting a treatment plan for an incompetent adult? - CORRECT ANSWER Legal guardian
For elective dental procedures, in which trimester should a pregnant patient be treated? - CORRECT ANSWER Second
When developing oral hygiene instruction for an elderly patient, at what age should the education material be directed? - CORRECT ANSWER Functional
Functional age is based on performance capacities of the patient; educational strategies are always based on a patient's functional ability.
During a case presentation, which patient visual impairment requires the clinician to be positioned to the patients side? - CORRECT ANSWER Macular degeneration
Which best describes the principal cause of the periodontitis? - CORRECT ANSWER Host response to bacterial plaque biofilm
Which bony structure is initially destroyed by periodontitis? - CORRECT ANSWER Cortical plate of interdental septum
The initial examination of a 45 yr old female reveals localized advanced periodontitis. Which is the initial treatment? - CORRECT ANSWER Nonsurgical periodontal therapy
Which periodontal disease does NOT benefit from systemic antibiotic treatment? - CORRECT ANSWER Localized advanced chronic
Which sequence of debridement is recommended for moderate periodontitis (Case type III)? - CORRECT ANSWER Quadrant scaling and root planing in four treatment appointments
At which interval of maintenance treatment, in months, does the long-term success of nonsurgical periodontal therapy rely? - CORRECT ANSWER 3 months
An assessment of the patient's dentition reveals the presence of a large amalgam overhang. Radiographic evidence confirms that nearly two-thirds of the inter-proximal embrasure space is obstructed by amalgam. Which procedure is indicated? - CORRECT ANSWER Replacement of restoration
Which is true regarding sutures? - CORRECT ANSWER Sutures are always knotted buccal surfaces
Periodontal dressings are used to stop gingival bleeding after periodontal surgery. Surgical wounds heal more quickly when protected by a periodontal dressing. - CORRECT ANSWER Both statements are false
Which are side effects of locally administered antibiotics? - CORRECT ANSWER Nonexistent
Which periodontal probing depth is recorded when the 3mm mark is just barely covered? - CORRECT ANSWER 4mm
The patient's periodontal evaluation reveals a localized 6mm probe reading accompanied by 3mm of recession and 1mm of mesiolingual mobility. Which figure in mm represents the clinical attachment loss? - CORRECT ANSWER 9 mm CAL
From which approach is the missal furcation of tooth #3 examined? - CORRECT ANSWER Palatal
Which assesses fremitus? - CORRECT ANSWER Clinician's index finger
Each oral finding is within normal limits EXCEPT one. Which one is the EXCEPTION? - CORRECT ANSWER Ranula
In which position is the hard and soft palate most visible? - CORRECT ANSWER Supine; head tilted back and mouth wide open
Which is the most common site for intraoral cancer? - CORRECT ANSWER Lateral border of tongue
Which extra-oral projection is used to evaluate skeletal relationships prior to orthodontic treatment? - CORRECT ANSWER Lateral cephalometric
Which classification does the ASA assign a patient with controlled angina pectoris? - CORRECT ANSWER III
The vast majority of disabled individuals earn a middle-class income. The cost of dental treatment is manageable for most patients with disabilities. - CORRECT ANSWER Both statements are false
Each of the following are signs of moderate apprehension EXCEPT one. Which one is the EXCEPTION? - CORRECT ANSWER Dizziness
Which defines right and wrong conduct? - CORRECT ANSWER Ethics
Which ethical competency is conflicted when individual autonomy is challenged? - CORRECT ANSWER Core values
Which is NOT a part of a patient's informed refusal of treatment? - CORRECT ANSWER Dismissal from practice
Each of the following is a component of informed consent EXCEPT one. Which one is the EXCEPTION? - CORRECT ANSWER Financial arrangements
A plaintiff cannot use the testimony of a specialist to establish the standard of care for a general dentist because the courts require all dentists to properly diagnose disease. - CORRECT ANSWER Bothe the statement and the reasons are correct but NOT related.
Under the legal theory of respondent superior, which party is liable for damages to a patient resulting from breach of confidence? - CORRECT ANSWER Dentist
Which is NOT cause fro patient dismissal from a dental practice? - CORRECT ANSWER Lack of proof of alien work permit
Each of the following should be included in a dismissal letter EXCEPT one. Which one is the EXCEPTION? - CORRECT ANSWER Financial details and method of payment
Each of the following is a concept dental professionals should embrace EXCEPT one. Which one is the EXCEPTION? - CORRECT ANSWER Compliance with self-referral
The dental hygienist speaks privately with the dentist regarding over-prescribing radiographs for a patient. Which ethnical responsibility dos this acknowledge? - CORRECT ANSWER Autonomy
Which communication technique is most beneficial when addressing an ethical concern with the dentist? - CORRECT ANSWER Provide sound scientific evidence
The dental hygienist attempts to view the dentist's directive to expose radiographs every six months. Which is evident? - CORRECT ANSWER Empathy
Dental professionals who volunteer their time and services for nonprofit are exempt from liability. Dental professional who treat family members at no charge are giving a gift that is not subject to malpractice action or damage award. - CORRECT ANSWER Both statements are false
How long should a minor's records be kept? - CORRECT ANSWER Until a child reaches age of majority
Which is the best reason to maintain a separate incident file for documenting irrational or belligerent patient behavior? - CORRECT ANSWER Dentist-client-attorney privilege
The dentist cannot be held liable for acts by employees because the patient must prove the dentist knew the employee was incompetent. - CORRECT ANSWER The statement is not correct but the reason is correct
The dentist can be held liable for acts or omission by employees. In cases of negligent hiring and retention, the patient must prove the dentist knew or should have known the employee was incompetent.
Which is NOT a purpose for accurate chart documentation? - CORRECT ANSWER Genetic mapping
Two-tone disclosing solution is used to assess the patient's overall home-care routine. Violet-blue pigment stains the lingual surfaces of the MD premolars, which are tilted lingually towards the prominent MD tori. All other tooth surfaces are clean and unstained. Which brushing modification will likely produce an improvement? - CORRECT ANSWER Augment current routine with a child-size toothbrush and area-specific instruction
Which instruction is NOT recommended fo maintenance of a pariah denture with clasps? - CORRECT ANSWER Soak partial denture overnight in a dilute sodium hypochlorite solution
Which toothbrushing method is most effective for cleaning around fixed orthodontic appliances? - CORRECT ANSWER Charter
The Charter method effectively cleans around fixed orthodontic appliances because the toothbrush bristles are positions in an occlusal, rather than sulcular direction.
A patient in her second trimester of pregnancy experiences severe muring sickness. Which should the patient do immediately after vomiting> - CORRECT ANSWER Rinse mother-in-law thoroughly with a solution of baking soda and water
A through review of the health history and nutritional analysis indicates the patient is at an elevated risk for developing osteoporosis. Which vitamin deficiency is associated with a loss of mineralized bone tissue - CORRECT ANSWER vitamin D
Which oral finding is indicative of habitual thumb-sucking? - CORRECT ANSWER Extreme over-jet of MX incisors
Which restorative material provided the greatest compressive strength? - CORRECT ANSWER Amalgram
Which polishing method is least damaging to enamel? - CORRECT ANSWER Air-powder using sodium bicarbonate and water
Which technique produces the most accurate alginate impression? - CORRECT ANSWER Mix alginate powder with cool water
Impressions for athletic mouthgaurds are acquired with removable appliances in place. Athletes should be advised to remove these appliances when participating in sports. - CORRECT ANSWER The first statement is false and the second is true
Which patient is the best candidate for aesthetic bleaching? - CORRECT ANSWER 32 yr old male with trauma related discoloration in non-vital teeth
During sealant placement, which angles in degrees, provides the greatest retention? - CORRECT ANSWER 45
Which sequence of steps correctly prepares a tooth for sealant placement? - CORRECT ANSWER Clean, dry, etch, rinse, and dry
The thin layer of uncured resin which forms on the surface of a newly-cured sealant should be removed with gauze or a cotton roll because this oxygen-inhibited layer is harmful to the patient - CORRECT ANSWER The statement is correct, but the reason is NOT
Each of the following can be recommended a fluoride rincse EXCEPT one. Which one is the EXCEPTION? - CORRECT ANSWER 4 yr old female with visible heavy plaque and clinical evidence of incipient caries
Which instruction supports proper moth protector (athletic mouthguard) home care? - CORRECT ANSWER clean with a toothbrush and liquid soap
The operator is cautioned to close his or her eyes when curing materials because direct exposure to the intense blue light may damage the retina. - CORRECT ANSWER The statement is NOT correct but the reason is correct
Chlorhexidine gluconate (CHG) is a wifely used chemotherapeutic rinse proven effective in reducing plaque and gingivitis. Chlorhexidine gluconate is effective against gram-positive and gram-negative bacteria - CORRECT ANSWER Both statements are true
Which is NOT a local functional factor that contributes to the retention of dental biofilm? - CORRECT ANSWER tooth anatomy
tooth anatomy is a local predisposing factor, not a functional factor that contributes to biofilm retention.
Locally administered antimorcrobials places in a periodontally diseased pocket have proven to produce a positive change in the health of the periodontist. Locally administered antimicrobials are designed to be applied in periodontal pockets 5 mm or greater. - CORRECT ANSWER Both statements are true
According to the Classification System of the American Academy of Periodontology, which classification of periodontal diseases is generalized aggressive periodontitis? - CORRECT ANSWER III
Interdental vertical bony defects are typically visible on radiographs. The occurrence of interdental vertical bony defects decreases with age. - CORRECT ANSWER The first statement is true and the second is false
Visibility of the tooth root may be an esthetic concern for a patient following periodontal surgery. Exposed root surfaces in the oral cavity may lead to dentinal hypersensitivity and an increased risk for developing root caries. - CORRECT ANSWER Both statement are true.
In relation to disease transmission, which describes an improperly stored toothbrush? - CORRECT ANSWER Fomite
A fomite is an inanimate object capable of transmitting infectious agents. A host is a living organism that can be infected by an infectious agent. A vector is disease transmission from host to host. A pathogen is antinfectious agent.
Which statement indicates the dental hygienist is making a dental diagnosis - CORRECT ANSWER "an over-the-counter mouthguard would help relieve your TMJ discomfort"
Which correctly defines the concept of ionization? - CORRECT ANSWER An electron is removed from the orbital by binding energy
At which locality are x-ray photons created inside the dental X-ray tube? - CORRECT ANSWER Anode
Increasing the exposure time on the x-ray control panel will have the same affect not he resultant image as increasing which other radiation control? - CORRECT ANSWER Milliamperage
Which part of the dental tube head is responsible for removing the longer wavelength x-rays from the beam? - CORRECT ANSWER Aluminum filter
Which has the greatest amount of radiation sensitivity? - CORRECT ANSWER Small lymphocyte
Which is an early clinical sign of overexposure? - CORRECT ANSWER Erthema
Erythema, or reddening of the skin, is an early clinical sign of radiation overexposure not commonly seen in dentistry.
Which radiology concept is characterized by directing the central ray perpendicular to the image receptor and long axis of the tooth? - CORRECT ANSWER Vertical angulation
Which is the recommended vertical angulation, in degrees, for exposures of bitewing films with tabs? - CORRECT ANSWER +10 degrees
Which technique is NOT recommended for the patient with a gag reflex? - CORRECT ANSWER Ask patient of their gagging reflex history
Which tooth structures is least likely to be viewed on a dental radiograph? - CORRECT ANSWER Cementum
On which periodical image is the mylohyoid ridge visible? - CORRECT ANSWER MD molar
The genial tubercles are located close to which other normal anatomic structure? - CORRECT ANSWER Lingual foramen
Which commonly used for temporary cementation? - CORRECT ANSWER Zinc-oxide eugenol
Which is true of a phenolic disnfectant? - CORRECT ANSWER Leaves residue on surfaces
Where does the base of a supra bony pocket lie? - CORRECT ANSWER Above crest of alveolar bone
Which ethical principle does informed consent uphold? - CORRECT ANSWER Autonomy
A dental material's resilience estimates the total elastic energy it ca absorb before deformation occurs. A dental material
s elastic strain represents its stiffness. - CORRECT ANSWER The first statement is true and the second is false
a 42 yr old patient presents to the dental office for periodontal care. The health history indicates she is currently undergoing cancer treatment. Which is recorded other than in the patient's disease status information? - CORRECT ANSWER Patient's appearance due to cancer
A 53 yr old patient returns to the dental office 5 weeks after non-surgical periodontal therapy for re-evaluation. Although the tissue response is generally positive, the hygienist notes one area of localized inflammation with bleeding on probing. Which action should the hygienist take? - CORRECT ANSWER Explore site for residual calculus deposits or plaque retentive factors
Which describes the dental hygienist's role in treating a person with ADHD? - CORRECT ANSWER Allow patient to be involved with appointment and hold suction
A dental hygienist is creating an oral health care program for participants at a local Women, Infants, and Children program (WIC). The hygienist will develop a community profile to determine the WIC participant's dental knowledge. Instruction will include toothbrushing, oral physiotherapy techniques, and the relationship between diet and dental decay. The program will be offered for one month on days participants pick up food vouchers. By offering instruction at the WIC site, the dental hygienist hopes to educate caregivers and children early enough to prevent dental decay. - CORRECT ANSWER Agriculture
Which describes WIC historical data used to develop the community profile? - CORRECT ANSWER Secondary
Which type of data is gathered when WIC participants are asked, "Describe how you brush your child's teeth." - CORRECT ANSWER Qualitative
Qualitative data describes, rather than measures, information.
The statement, "The oral health care program will improve the dental health of women and their children," is an example of the program... - CORRECT ANSWER goal
Which level of prevention does the oral health care program address? - CORRECT ANSWER Primary
Which provides information to parents on child development stages so the child's oral health needs can be adequately met? - CORRECT ANSWER Anticipatory guidance
An orthodontist hypothesizes a relationship exists between tongue thrust swallowing and the position of anterior teeth. He conducts a study by selecting 35 subjects who have tongue thrust swallowing and a control group of 35 subjects without tongue-thrust swallowing. Occlusion was determines using Angle's classification of malocclusion. The overate of those who had tongue thrust were measured and compared with the corresponding values of the control subjects. The same orthodontist performed all measurements. Results determines that with p < 0.05, overate measurements were significantly increased in persons with tongue-thrust when compared to persons who did not have tongue-thrust.
Which study was conducted? - CORRECT ANSWER Clinical trial
Which sampling technique was used to select the subjects? - CORRECT ANSWER Purposive
In this study, which was the independent variable? - CORRECT ANSWER Tongue-thrust swallowing
In this study, which important aspect was achieved by using only one examiner? - CORRECT ANSWER Intra-examiner reliability
Which statistical test is used to test the mean scores of the two groups? - CORRECT ANSWER Independent t-test
Referring to occurrence by chance alone, what does p< .05 indicate? - CORRECT ANSWER 5% or less probability
A community fair was held to provide information to residents regarding issue related to dental health. The dental hygienists organizing the event wanted to determine if the fair had an impact on the attendees' dental knowledge. Attendee were asked to complete a questionnaire prior to visiting five booths and immediately following attendance at the last booth. 93 attendees voluntarily chose to complete the survey. The survey was a 10-item dental health knowledge questionnaire with each item worth one point. It was administered in a pre and post test design. Questionnaire items were in a true or false format. Each item was scored "1" of answered correctly and "0" if answered incorrectly. Items were totaled and overall pre-test scores were compared with overall post-test scores. A statistical analysis was used to determine the difference between the mean scores (p<.01). The pre-test results revealed a mean score of 6.4 - CORRECT ANSWER Cross-sectional
Which sampling technique was used to select the attendees? - CORRECT ANSWER Convenience
In this study, which was the dependent variable? - CORRECT ANSWER Test scores
In this study, which is the independent variable? - CORRECT ANSWER Dental education
Which statistical test measure the mean scores? - CORRECT ANSWER Dependent t-test
Referring to occurrence by chance alone, what does p< .01 indicate? - CORRECT ANSWER 1% or less probability
City council members are scheduled to listen to concerns of the community at a public meeting regarding fluoride supplementation of city water. The main points of contention within the community revolve around the issues of too much or too little fluoride in the water. In addition, several vocal antifluoridationists declare the city government is forcing medication on them with the fluoridation. The president of the local dental hygiene association has been asked to provide the forum with information on water fluoridation, alternatives to fluoridation, and other community concerns.
Which level of prevention is water fluoridation? - CORRECT ANSWER Primary
Before January 2011, which is the optimum concentration of fluoride in parts per million in community drinking water? - CORRECT ANSWER 1
Which ethical principle is expressed by the antifluoridationists? - CORRECT ANSWER Autonomy
Which dental index measures dental fluorosis on tow or more teeth? - CORRECT ANSWER Dean's
Which United States government agency declared fluoridation of drinking water as one of the ten great public health achievements of the twentieth century? - CORRECT ANSWER CDC
Which is the most efficacious and cost-effective method of bringing fluoride to a community? - CORRECT ANSWER Water fluoridationA [Show Less]