A protective function of the respiratory system would be
A. altering blood pH by changing blood CO2 levels.
B. olfaction by drawing molecules into the nasal cavity.
C. producing ACE which helps regulate blood pressure.
D. preventing microorganisms from entering the body.
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Question 2) Which of the following is part of the upper respiratory tract?
A. lungs
B. pharynx
C. trachea
D. bronchi
E. bronchioles
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Question 3) Which of the following is NOT a process of respiration?
A. voice production
B. internal respiration
C. ventilation
D. external respiration
E. transport of blood gases in the blood
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Question 4) External respiration refers to
A. atmospheric air coming into the lungs.
B. gas exchange between the lungs and the blood.
C. gas exchange in the atmosphere.
D. gas exchange between the blood and body tissues.
E. cellular respiration.
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Question 5) Internal respiration refers to
A. atmospheric air coming into the lungs.
B. gas exchange between the lungs and the blood.
C. gas exchange in the atmosphere.
D. gas exchange between the blood and body tissues.
E. cellular respiration.
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Question 6) Ventilation refers to the
A. movement of air into and out of the lungs.
B. gas exchange between the blood and the tissues.
C. transportation of oxygen and carbon dioxide in the blood.
D. gas exchange between the air in the lungs and the blood.
E. respiration at the cellular level.
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Question 7) An individual develops a cold from a co-worker. This is an example of ______ immunity.
A.
active artificial
B.
passive natural
C.
passive artificial
D.
active natural
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Question 8) As one ages the effectiveness of adaptive immunity decreases.
Indicate whether the statement is true or false.
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Question 9) Treatments of disease that include the alteration of immune functions are called:
A.
hypersensitivity.
B.
passive immunity.
C.
active immunity.
D.
adaptive immunity.
E.
immunotherapy.
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Question 10) An opsonin is a __________________.
A.
subclass of immunoglobulin.
B.
compound released by leukocytes that aids in the immune response to an antigen.
C.
substance that promotes fever.
D.
compound released by leukocytes that inhibits the immune response to an antigen.
E.
substance that makes antigens more susceptible to phagocytosis.
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