The pharynx assists in moistening and humidifying inhaled air?
Answer; FALSE
What is true of the intercalated discs?
Answer: they allow cardiac
... [Show More] muscle cells to share nutrients and electrical impulses
The exposure rete of a pathogen determines the effectiveness of innate defenses?
Answer: false
What type of humoral immunity is generated when an individual receives an infection from another person?
Answer: active natural humoral immunity
What is NOT a benefit to the inflammatory process?
Answer: initiates the production of T-cytotoxic cells
What is true of polycythemia?
Answer: it can be caused by cancer of the red bone marrow
Cardiac output is measured by multiplying heart rate (per minute) by breathing rate (per minute)?
Answer: false
The right atrium and right ventricle will contract first then the left atrium and ventricle contract?
Answer: false
What is the secretion by the type II alveolar cells that prevent the lungs from collapsing between each breath by reducing surface tension?
Answer; surfactant
The nasal conchae assist in the filtering and moistening incoming air within the nasal cavity?
Answer: true
The thoracic and pulmonary volumes can both increase?
Answer: true
An abnormal clot formation within a blood vessel is referred to as:
Answer: thrombus
Type O blood is the universal recipient blood type?
Answer: false
What is true of gas exchange within the lungs?
Answer: occurs through and with the type I alveolar cells
Humoral immunity involves the production of antibodies that will attack any and all bacteria or viruses?
Answer: false
As the inspiratory muscles contract, the thoracic volume increases leading to an increase of pulmonary volume, which decreases the intrapulmonary pressure
Answer: true
What is NOT true of erythrocytes?
Answer: their life span is about 3-4 weeks
What is true of cellular immunity?
Answer: Cytotoxic T cells are produced
For expiration to occur, the intrapulmonary pressure has to:
Answer: increase compared to atmospheric pressure
What is true of thrombocytopenia?
Answer: it can lead to abnormal long bleeding times
What is NOT true about the breathing process?
Answer: for air to enter into the lungs, the atmospheric pressure has to be lower than intrapulmonary pressure
What is NOT true of the hemostasis process?
Answer: only the intrinsic pathway will convert prothrombin to the active form of thrombin
What is the most numerous type of leukocyte?
Answer: neutrophil
What type of plasma protein plays a role within maintaining plasma osmotic pressure, blood pressure and is the most numerous?
Answer: albumin
Cardiac output is the amount of blood ejected from both ventricles with each contraction?
Answer: false
Antibodies are specific to one type of epitope?
Answer: true
What factor will not directly affect stroke volume?
Answer: respiration rate
What is NOT true regarding the heart valves?
Answer: the right AV valve has only two cusps
What is NOT true regarding the larynx?
Answer: the larynx is located posterior to the laryngopharynx and trachea
What statement is NOT true of veins?
Answer: they typically carry oxygenated blood
What portion of the EKG wave pertains to the atria undergoing depolarization?
Answer: P wave
What is NOT true of the trachea?
Answer: The respiratory cilia within the lumen move the mucus downward, toward the lungs
This portion of the cardiac conduction system controls the rate at which the heart contracts?
Answer: SA node
The trachealis muscle is located on the posterior aspect of the trachea, facing the esophagus?
Answer: true
The right lung has two lobes?
Answer: false
Stroke volume is the measurement of
Answer: the amount of blood that is ejected from a ventricle with each contraction
The bronchial tree allows the passage of inspired air to reach the alveolar sacs for gas exchange to occur?
Answer: true
What anatomical structure ensures the heart valves only open and close in one direction?
Answer: chordae tendinae
What term best describes the amount of air expelled from the lungs after a maximum inspiratory effort?
Answer: vital capacity
Coagulation is the final step in the hemostasis process?
Answer: true
T Helper cells are involved in cellular and humoral immunity activity?
Answer: true
The primary role of the smooth muscle surrounding the bronchi is to provide structural support?
Answer: false
Increased heart rate will increase the overall cardiac output?
Answer: true
What portion of the EKG wave pertains ventricles contracting during the cardiac cycle?
Answer: QRS complex
What is NOT a role of the nasal cavity?
Answer: concentrate the oxygen of incoming air
Only arteries undergo vasoconstriction and vasodilation?
Answer: true
Oxygen and carbon dioxide gas exchange in the lungs occurs due to
Answer: diffusion
The right atrium
Answer: receives blood from the body circuit
Arterioles are the smallest form of an artery and is where gas exchange occurs?
Answer: false
What is the correct pathway of the cardiac conduction system?
Answer: SA node-AV bundle of His-Right/Left bundle branches- purkinje fibers
What statement is true of capillaries?
Answer: they allow for nutrient and gas exchange within the body
What is NOT true of the pleura of the lungs?
Answer: the pleura covers the internal surfaces of the alveolar sacs
What is NOT true regarding inflammation?
Answer: it stimulates a fever to develop
Anemia is classified and defined as the body being iron deficient?
Answer: false
The left ventricle
Answer: pumps blood to the body circuit
What term best describes the normal amount of air that I brought into and out of the lungs during quiet or resting breathing?
Answer: tidal volume
The visceral pleura is found attached to the inner surface of the ribs?
Answer: false
What muscle is NOT considered a respiratory muscle?
Answer: pectoralis major muscle
The pulmonary arteries contain deoxygenated blood?
Answer: true
For inspiration to occur, intrapulmonary pressure must be higher than atmospheric pressure?
Answer: false [Show Less]