Anatomy And Physiology II Final Review Of Exam 2 Questions

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1.  Each alveolus is surrounded by a basket of blood capillaries supplied by 
A.
B.
C.
D.
E.
2.  Carbon monoxide competes with oxygen for the same binding site
A.
B.
3.  The addition of CO2 to the blood generates ____ ions in the RBCs, which in turn stimulates RBCs to unload more oxygen
A.
B.
C.
D.
E.
4.  A lung disease marked by abnormally few but large alveoli is 
A.
B.
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D.
E.
5.  Which has the highest concentration in the air we breathe?
A.
B.
C.
D.
E.
6.  All there belong to the second line of defense EXCEPT
A.
B.
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D.
E.
7.  Red bone marrow is the point of origin of all immune cells of the lymphatic system
A.
B.
8.  Most common allergies are the result of 
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B.
C.
D.
E.
9.  Mucous plays an important role in cleansing inhaled air. It is produced by ______ of the respiratory tract.
A.
B.
C.
D.
E.
10.  The blood transports more CO2 in the form of _____ than in any other form.
A.
B.
C.
D.
E.
11.  Which of the following is the term for a deficiency of oxygen or the inability to utilize oxygen in a tissue?
A.
B.
C.
D.
E.
12.  Breathing is controlled solely by the medulla oblongata and pons
A.
B.
13.  The ________ tonsils are the largest, and their tonsillectomy (surgical removal) used to be one of the most common surgical procedures in children
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B.
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D.
E.
14.  Which of the following enzymes in an RBC breaks down H2CO3 to water and carbon dioxide?
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B.
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D.
E.
15.  All these forces help lymph to flow EXCEPT
A.
B.
C.
D.
E.
16.  Vital capacity consists of
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B.
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D.
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17.  Lymphatic vessels recover about ________ of the fluid filtered by capillaries
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B.
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D.
E.
18.  Vaccination stimulates
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D.
E.
19.  Officials at the CDC said that AIDS research had been hindered by budget cuts made by the Reagan administration 
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B.
20.  The human immunodeficiency virus (HIV) targets mainly
A.
B.
C.
D.
E.
21.  Interferons are secreted in response to bacterial infections
A.
B.
22.  Which of the following would lead to anemic hypoxia?
A.
B.
C.
D.
E.
23.  In a healthy person, which of the following will have the greatest influence on resistance to pulmonary airflow?
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B.
C.
D.
E.
24.  Interleukins are chemical signals by which immune cells communicate with each other
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B.
25.  Crude sounds are formed into intelligible speech by all of the following except
A.
B.
C.
D.
E.
26.  Mucous membranes prevent most pathogens from entering the body because of the stikiness of the mucus and the presence of lysozymes
A.
B.
27.  Autoimmune disease are disorders in which the immune system fails to distinguish ______ from foreign ones.
A.
B.
C.
D.
E.
28.  Each hemoglobin molecule can transport up to ____ oxygen molecules
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B.
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D.
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29.  Naive T cells can synthesize antibodies
A.
B.
30.  Your breathing rate is 14 breaths/minute; spirometric measurments reveal your tidal volume is 500mL; your inspiratory reserve volume is 3000mL; and your expiratory reserve volume is 1,200mL. Your vital capacity is _____ mL.
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B.
C.
D.
E.
31.  Gas transport is the process of carrying gases from the alveoli to the systemic tissues and vice versa.
A.
B.
32.  Antigen-presenting cells usually display processed antigens to T cells in
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E.
33.  One benefit from air passing by the turbinates is
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34.  The human body harbors about 10,000 times as many bacterial cells as human cells
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B.
35.  Each immunoglobin (Ig) has ________ antigen bonding sites
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B.
C.
D.
E.
36.  Which of the following were not considered a high risk group for HIV infection in the 1980's?
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B.
C.
D.
E.
37.  Helper T cells recognize antigens when they are bound to a/an
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38.  _______ are the largest of the lymphatic vessels and they empty into the ________
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B.
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D.
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39.  _____________ constitutes about 80% of circulating antibodies in plasma
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B.
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D.
E.
40.  The upper respiratory tract extends
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41.  The maximum amount of air the lungs can contain is known as inspiratory capacity
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B.
42.  Among its other purposes, the valsalva maneuver is used
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B.
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E.
43.  Which of the following is not used to treat lupus?
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B.
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E.
44.  Immune surveillance is a process which ______ nonspecifically detect and destroy foreign cells and diseased host cells
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B.
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45.  Which of the following would slow down gas exchange between the blood and alveolar air?
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B.
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D.
E.
46.  ________ are found especially in the mucous membrane, standing guard against parasites, and allergens.
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B.
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D.
E.
47.  Scuba divers breathe nitrogen-oxygen mixture rather than pure compressed oxygen in order to avoid
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E.
48.  ________ are secreted by cells infected with viruses, alerting neighboring cells and protecting them from becoming infected.
A.
B.
C.
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E.
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