Question 1
The action of platelet-derived growth factor is to stimulate the production of which cells?
Selected
Answer:
Platele
ts
Question
... [Show More] 2
1 out of 1 points
A healthcare professional is educating a patient about asthma. The professional states
that good control is necessary due to which pathophysiologic process?
Selected
Answer:
Uncontrolled inflammation leads to increased bronchial
hyperresponsiveness and eventual scarring.
Question 3
1 out of 1 points
What is an expected change in the cardiovascular system that occurs with aging?
Selected
Answer:
Arterial
stiffening
Question 4
0 out of 1 points
People diagnosed with neurofibromatosis have varying degrees of the condition because
of which genetic principle?
Selected
Answer:
Dominan
ce
Question 5
0 out of 1 points
When endothelial cells are injured, what alteration contributes to atherosclerosis?
Selected
Answer:
The release of toxic oxygen radicals that oxidize low-density
lipoproteins (LDLs)
Question 6
1 out of 1 points
A healthcare professional cares for older adults in a skilled nursing facility. What should
the professional assess for in these individuals related to cardiovascular functioning?
Selected
Answer:
Increased rate of falling and dizzy
spells Question 7
0 out of 1 points
What physical sign does the healthcare professional relate to the result of turbulent
blood flow through a vessel?
Selected
Answer:
Bounding pulse felt on
palpation
Question 8
1 out of 1 points
What are tumor cell markers?
Selected
Answer:
Hormones, enzymes, antigens, and antibodies that are produced
by cancer cells
Question 9
0 out of 1 points
Once they have penetrated the first line of defense, which microorganisms do natural
killer (NK) cells actively attack?
Selected
Answer:
Bacteri
a
Question 10
1 out of 1 points
Which gastric hormone inhibits acid and pepsinogen secretion, as well as decreases the
release of gastrin?
Selected
Answer:
Somatosta
tin
Question 11
1 out of 1 points
What is the single most common cause of cellular injury?
Selected
Answer:
Hypoxic
injury
Question 12
1 out of 1 points
A professor has taught the students about the sources of increased ammonia in patients
with hepatic encephalopathy. What statement by a student indicates the professor
should review this material?
Selected Accumulation of short-chain fatty acids are a source ofAnswer: increased ammonia.
Question 13
1 out of 1 points
Surfactant produced by type II alveolar cells facilitates alveolar distention and
ventilation by which mechanism?
Selected
Answer:
Decreasing surface tension in the
alveoli
Question 14
1 out of 1 points
A patient is brought to the Emergency Department with a gunshot wound to the chest.
The healthcare professional assesses an abnormality involving a pleural rupture that
acts as a one-way valve, permitting air to enter on inspiration but preventing its escape
by closing during expiration. What action by the healthcare professional is the priority?
Selected
Answer:
Assist with a chest tube
insertion.
Question 15
1 out of 1 points
What is the only surface inside the nephron where cells are covered with microvilli to
increase the reabsorptive surface area called?
Selected
Answer:
Proximal convoluted
tubules
Question 16
1 out of 1 points
A patient is having an IgE-mediated hypersensitivity reaction. What action by the
healthcare professional is best?
Selected
Answer:
Give the patient an
antihistamine.
Question 17
1 out of 1 points
A patient has been diagnosed with a renal stone. Based on knowledge of common stone
types, what self-care measure does the healthcare professional plan to teach the patient
when stone analysis has returned?
Selected
Answer:
Ingest 1000 mg of calcium
a day.
Question 181 out of 1 points
Which hormone is required for water to be reabsorbed in the distal tubule and collecting
duct?
Selected
Answer:
Antidiuretic
hormone
Question 19
1 out of 1 points
The cardiac electrical impulse normally begins spontaneously in the sinoatrial (SA) node
because of what reason?
Selected
Answer:
It depolarizes more rapidly than other automatic cells of
the heart.
Question 20
1 out of 1 points
What is one function of the tumor cell marker?
Selected
Answer:
To screen individuals at high risk for
cancer
Question 21
1 out of 1 points
When comparing the clinical manifestations of both diabetic ketoacidosis (DKA) and
hyperglycemic hyperosmolar nonketotic syndrome (HHNKS), which condition is
associated with only DKA?
Selected
Answer:
Kussmaul
respirations
Question 22
1 out of 1 points
Which cAMP-mediated response is related to antidiuretic hormone?
Selected
Answer:
Increased retention of
water
Question 23
0 out of 1 points
The student wants information about a patient's renal function. What test does the
healthcare professional tell the student to evaluate?
Selected
Answer:
Serum blood urea nitrogen and
creatinine Question 24
1 out of 1 points
What is the most important cause of pulmonary artery constriction?
Selected
Answer:
Low alveolar partial pressure of arterial
oxygen (PaO 2)
Question 25
0 out of 1 points
In teaching a women's community group, which risk factor does the healthcare
professional teach is related to high morbidity of cancer of the colon, uterus, and
kidney?
Selected
Answer:
Woman who have smoked for more than
10 years
Question 26
1 out of 1 points
A healthcare professional is caring for four patients. Which patient does the professional
assess for pulmonary emboli (PE) as the priority?
Selected
Answer:
Deep venous
thrombosis
Question 27
0 out of 1 points
What is the second most commonly recognized genetic cause of intellectual disability?
Selected
Answer:
Down
syndrome
Question 28
1 out of 1 points
A person has acne, easy bruising, thin extremities, and truncal obesity. The healthcare
professional assesses the person for which of these?
Selected
Answer:
Use of
glucocorticoids
Question 29
1 out of 1 points
What is the cause of functional dysphagia?
Selected Neural or muscular
disordersAnswer:
Question 30
1 out of 1 points
What effect is a result of inhibiting the parasympathetic nervous system with a drug
such as atropine?
Selected
Answer:
Salivation
decreases.
Question 31
1 out of 1 points
Renal failure is the most common cause of which type of hyperparathyroidism?
Selected
Answer:
Seconda
ry
Question 32
0 out of 1 points
A healthcare professional wants to determine the adequacy of a person's alveolar
ventilation. What assessment finding is most important for the professional to consider?
Selected
Answer:
Ventilatory pattern is regular and
rhythmic.
Question 33
0 out of 1 points
The acute inflammatory response is characterized by fever that is produced by the
hypothalamus being affected by what?
Selected
Answer:
Bacterial
endotoxin
Question 34
0 out of 1 points
A healthcare professional is caring for four patients. Which patient does the professional
assess for neurogenic diabetes insipidus (DI)?
Selected
Answer:
Anterior pituitary
tumor
Question 35
0 out of 1 points
Within a physiologic range, what does an increase in left ventricular end-diastolic
volume (preload) result in?Selected
Answer:
Decrease in
repolarization
Question 36
0 out of 1 points
Which patient would the healthcare professional assess for elevated levels of
antidiuretic hormone (ADH) secretion?
Selected
Answer:
Has long-standing kidney disease from
diabetes
Question 37
1 out of 1 points
A student asks why some vaccinations are given orally and some are given by injection.
What response by the professor is best?
Selected
Answer:
Each route stimulates a different lymphocyte-containing tissue,
resulting in different types of cellular and humoral immunity.
Question 38
1 out of 1 points
The Bainbridge reflex is thought to be initiated by sensory neurons in which cardiac
location?
Selected
Answer:
Atri
a
Question 39
1 out of 1 points
A healthcare professional is caring for four patients. Which patient should the
professional assess for hyperkalemia?
Selected
Answer:
Renal
failure
Question 40
1 out of 1 points
What is the role of the normal intestinal bacterial flora?
Selected
Answer:
Metabolizing bile salts, estrogens,
and lipids
Question 41
0 out of 1 points
A patient diagnosed with diabetic ketoacidosis (DKA) has the following laboratoryvalues: arterial pH 7.20; serum glucose 500 mg/dL; positive urine glucose and ketones;
serum potassium (K +) 2 mEq/L; serum sodium (Na +) 130 mEq/L. The patient reports
that he has been sick with the flu for 1 week. What relationship do these values have to
his insulin deficiency?
Selected
Answer:
Increased glucose and fatty acids stimulate renal diuresis,
electrolyte loss, and metabolic alkalosis.
Question 42
0 out of 1 points
A student asks the professor how a faulty negative-feedback mechanism results in a
hormonal imbalance. What response by the professor is best?
Selected
Answer:
Decreased hormonal secretion is a response to rising
hormone levels.
Question 43
0 out of 1 points
A healthcare provider notes that tapping the patient's facial nerve leads to lip twitching.
What electrolyte value is correlated with this finding?
Selected
Answer:
Ca ++: 12.9
mg/dL
Question 44
1 out of 1 points
A patient is having a spirometry measurement done and asks the healthcare
professional to explain this test. What response by the professional is best?
Selected
Answer:
To measure the volume and flow rate during forced
expiration
Question 45
1 out of 1 points
Which characteristic is the most important determinant of immunogenicity when
considering the antigen?
Selected
Answer:
Foreignne
ss
Question 46
1 out of 1 points
Which renal change is found in older adults?
Selected
Answer:
Decrease in the number of
nephrons Question 47
0 out of 1 points
If a patient develops acidosis, the nurse would expect the oxyhemoglobin dissociation
curve to react in which manner?
Selected
Answer:
Show dramatic fluctuation, allowing the O 2 concentration
to increase
Question 48
1 out of 1 points
Under anaerobic conditions, what process provides energy for the cell?
Selected
Answer:
Glycolys
is
Question 49
1 out of 1 points
A patient suffered multiple traumatic injuries and received many blood transfusions
within a few days of the injuries. For which medical condition should the healthcare
professional monitor the patient for?
Selected
Answer:
Hemosidero
sis
Question 50
0 out of 1 points
The student asks the professor to explain what characteristic is demonstrated by lungs
with decreased compliance?
Selected
Answer:
Inability to diffuse
oxygen
Question 51
1 out of 1 points
What is one function of the tumor cell marker?
Selected
Answer:
To screen individuals at high risk for
cancer
Question 52
0 out of 1 points
Vaccinations are able to provide protection against certain microorganisms because of
what?
Selected Rapid response fromAnswer: IgA
Question 53
1 out of 1 points
A student asks the healthcare professional to describe exotoxins. Which statement by the
professional is best?
Selected
Answer:
Exotoxins are released during bacterial
growth.
Question 54
0 out of 1 points
A class of students has learned about contributing factors to duodenal ulcers. What
statement indicates to the professor that the students need a review?
Selected
Answer:
Duodenal ulcers occur with greater frequency than other types of
peptic ulcers.
Question 55
0 out of 1 points
A healthcare professional is caring for a patient who has a delay in electrical activity
reaching the ventricle as seen on ECG. What ECG finding would the healthcare
professional associate with this problem?
Selected
Answer:
A prolonged ST
interval
Question 56
1 out of 1 points
How do free radicals cause cell damage?
Selected
Answer:
Giving up an electron, which causes injury to the chemical bonds of
the cell membrane
Question 57
1 out of 1 points
What causes the edema that occurs during the inflammatory process?
Selected
Answer:
Increased capillary
permeability
Question 58
0 out of 1 points
A student learns what information about acute pancreatitis?Selected
Answer:
Autoimmune process with IgG attacking pancreatic
acinar cells
Question 59
1 out of 1 points
A student asks why carbon monoxide causes tissue damage. What response by the
professor is best?
Selected
Answer:
Binds to hemoglobin so that it cannot
carry oxygen
Question 60
0 out of 1 points
The healthcare professional working with older adults teaches general infectionprevention measures as a priority for this age group due to which change in lymphocyte
function?
Selected
Answer:
Decreased number of circulating
T cells
Question 61
0 out of 1 points
A healthcare professional is caring for a patient who has continuous increases in left
ventricular filing pressures. What disorder would the professional assess the patient for?
Selected
Answer:
Mitral
regurgitation
Question 62
1 out of 1 points
Why is leakage of lysosomal enzymes during chemical injuries significant?
Selected
Answer:
Enzymatic digestion of the nucleus and nucleolus occurs, halting
DNA synthesis.
Question 63
0 out of 1 points
A patient has diabetes mellitus. A recent urinalysis showed increased amounts of
protein. What therapy does the healthcare provider educate the patient that is specific
to this disorder?
Selected
Answer:
More frequent blood glucose
monitoring
Question 64
0 out of 1 pointsA student asks the professor to explain what effect natriuretic peptides have during
heart failure when the heart dilates. Which response by the professor is best?
Selected
Answer:
Inhibits antidiuretic
hormones
Question 65
0 out of 1 points
Which type of immunity is produced by an individual after either natural exposure to the
antigen or after immunization against the antigen?
Selected
Answer:
Passive-acquired
immunity
Question 66
1 out of 1 points
A patient has a history of excessive use of magnesium-containing antacids and
aluminum-containing antacids. What lab value does the healthcare professional
correlate to this behavior?
Selected
Answer:
Phosphate 1.9
mg/dL
Question 67
1 out of 1 points
A student asks the healthcare professional to explain the function of the papillary
muscles. What response by the professional is best?
Selected
Answer:
These muscles prevent backward expulsion of the
atrioventricular valves.
Question 68
1 out of 1 points
A healthcare professional is assessing a child whose parents report poor grades in
school, trouble paying attention, and naughty behaviors that have become so frequent
the child is always in trouble. For which health condition should the professional
facilitate testing?
Selected
Answer:
Lead
poisoning
Question 69
1 out of 1 points
The pathophysiologic process of edema is related to which mechanism?Selected
Answer:
Lymphatic
obstruction
Question 70
0 out of 1 points
During the cardiac cycle, why do the aortic and pulmonic valves close after the
ventricles relax?
Selected
Answer:
Chordae tendineae contract, which pulls the
valves closed.
Question 71
0 out of 1 points
A patient's urinalysis came back positive for glucose. What does the healthcare
professional expect the patient's blood glucose to be at a minimum?
Selected
Answer:
150
mg/dL
Question 72
0 out of 1 points
The student asks the healthcare professional to explain how pulmonary edema and
pulmonary fibrosis cause hypoxemia. What description by the professional is best?
Selected
Answer:
Creates alveolar dead
space
Question 73
0 out of 1 points
What does vomiting-induced metabolic alkalosis cause?
Selected
Answer:
Hypoventilation to compensate for the metabolic
alkalosis
Question 74
1 out of 1 points
What pathologic change occurs to the kidney's glomeruli as a result of hypertension?
Selected
Answer:
Ischemia of the
tubule
Question 75
1 out of 1 points
A patient has a peptic ulcer related to h. pylori bacteria. What treatment does thehealthcare professional educate the patient on?
Selected
Answer:
Antibiotic
therapy
Question 76
1 out of 1 points
A patient is in severe shock and is receiving vasopressin. A student asks the health care
professional to explain the rationale for this treatment. What response by the
professional is most accurate?
Selected
Answer:
Antidiuretic hormone causes vasoconstriction to help increase
blood pressure.
Question 77
1 out of 1 points
What is apoptosis?
Selected
Answer:
Normal mechanism for cells to self-destruct when growth
is excessive
Question 78
1 out of 1 points
Free radicals play a major role in the initiation and progression of which diseases?
Selected
Answer:
Cardiovascular diseases such as hypertension and ischemic
heart disease
Question 79
1 out of 1 points
An amniocentesis indicates a neural tube defect when an increase in which protein is
evident?
Selected
Answer:
Alpha
fetoprotein
Question 80
1 out of 1 points
A patient had a thyroidectomy and now reports tingling around the mouth and has a
positive Chvostek sign. What laboratory finding would be most helpful to the healthcare
professional?
Selected
Answer:
Serum
calcium
Question 810 out of 1 points
A patient's chart indicates Kussmaul respirations. The student asks the healthcare
professional what this is caused by. What response by the professional is most accurate?
Selected
Answer:
Diabetic ketoacidosis is leading to metabolic
acidosis.
Question 82
1 out of 1 points
A pregnant woman has Graves disease. What test/s does the healthcare professional
advise the woman about?
Selected
Answer:
Blood test for
hyperthyroidism
Question 83
1 out of 1 points
A healthcare professional is assessing a child who has complete trisomy of the twentyfirst chromosome. What findings does the professional relate to this condition?
Selected
Answer:
An IQ of 25 to 70, low nasal bridge, protruding tongue, and flat,
low-set ears
Question 84
1 out of 1 points
Where is two thirds of the body's water found?
Selected
Answer:
Intracellular fluid
compartments
Question 85
1 out of 1 points
A healthcare professional is working with a person who drinks several 6-packs of beer a
week. What testing does the professional encourage the person to get?
Selected
Answer:
Hepatic
function
Question 86
1 out of 1 points
After a partial gastrectomy, gastric bypass, or pyloroplasty, clinical manifestations that
include increased pulse, hypotension, weakness, pallor, sweating, and dizziness are the
results of which mechanism?
Selected Rapid gastricAnswer: emptying
Question 87
0 out of 1 points
A patient has portal hypertension-induced splenomegaly. Which lab value would the
healthcare professional associate with this condition?
Selected
Answer:
Low white blood cell
count
Question 88
1 out of 1 points
Oxygenated blood flows through which vessel?
Selected
Answer:
Pulmonary
veins
Question 89
0 out of 1 points
A student studying biology asks the professor to describe how the ras gene is involved in
cancer proliferation. What explanation by the professor is best?
Selected
Answer:
It suppresses the action of the tumorsuppressor genes.
Question 90
0 out of 1 points
What is the blood type of a person who is heterozygous, having A and B alleles as
codominant?
Selected
Answer:
O
Question 91
0 out of 1 points
The healthcare professional explains to a student that the amount of volume of blood in
the heart is directly related to the _____ of contraction.
Selected
Answer:
Pressur
e
Question 92
1 out of 1 points
Which statement is true about phagocytosis?Selected
Answer:
Phagocytosis involves the ingestion of
bacteria.
Question 93
1 out of 1 points
Which primary characteristic is unique for the immune response?
Selected
Answer:
The immune response is specific to the antigen that
initiates it.
Question 94
0 out of 1 points
A professor has taught a student about skeletal alterations seen in chronic kidney
disease. Which statement by the student indicates the professor needs to give more
information?
Selected
Answer:
The synthesis of 1,25-vitamin D 3, which reduces intestinal
absorption of calcium, is impaired.
Question 95
1 out of 1 points
A patient reports dumping syndrome after a partial gastrectomy. What does the
healthcare professional teach this patient?
Selected
Answer:
Eat small, frequent high-protein
meals.
Question 96
1 out of 1 points
What is the process that ensures mitral and tricuspid valve closure after the ventricles
are filled with blood?
Selected
Answer:
Increased pressure in the ventricles pushes the
valves to close.
Question 97
1 out of 1 points
A student asks the professor to differentiate Type 2 diabetes mellitus from Type 1. The
professors' response would be that Type 2 is best described as what?
Selected
Answer:
Resistance to insulin by insulin-sensitive
tissues
Question 98
1 out of 1 pointsWhat organic compound facilitates transportation across cell membranes by acting as
receptors, transport channels for electrolytes, and enzymes to drive active pumps?
Selected
Answer:
Protein
s
Question 99
1 out of 1 points
What is the major determinant of the resistance that blood encounters as it flows
through the systemic circulation?
Selected
Answer:
Muscle layer of the
arterioles
Question 100
0 out of 1 points
A patient has been admitted for a possible small intestinal obstruction. What is the first
sign the healthcare professional assesses for that would indicate the presence of this
condition?
Selected
Answer:
Vomitin
g
Question 101
0 out of 0 points
When completing this exam, did you comply with Walden University's Code of Conduct
including the expectations for academic integrity?
Selected
Answer:
Ye
s [Show Less]