Please help me answer this multiple choice questions: (please answer all questio
ID: 79071 • Letter: P
Question
Please help me answer this multiple choice questions: (please answer all questions)
No explantion needed just the answer needed.
physiology and neurobiology questions below.
16. During a cardiac contraction sequence, the ventricles contract ______.
A. At the same time as the atria
B. From base to apex
C. From apex to base
D. Before atria
17. Which of the following is ovulated?
A. Mature ovum
B. Secondary oocyte
C. Primary oocyte
D. Primordial follicle
18. HCN channels are found in _____.
A. Pacemaker cells
B. Contractile cardiac muscle
C. Skeletal muscle
D. All of the above
19. The cardiac output for the right ventricle is normally ____ the cardian output for the left
ventricle.
A. Less than
B. Equal to
C. Greater than
20. Helper T cells are required for all the EXCEPT ______.
A. Cell-mediated immunity
B. Antibody-mediated immunity
C. Inflammation
D. Activation of specific lymphocytes to produce a clone of effector cells
21. Inflammation is a ______ defense that includes this local response _____.
A. Nonspecific; increased vasocontraction of arterioles
B. Nonspecific; increased capillary permeability
C. Specific; secretion of histamine
D. Specific; increased heart rate
22. Intrapleural pressure (in humans) normally is _____ subatmospheric.
A. Always
B. Sometimes
C. Never
23. The enzyme carbonic anhydrase plays role in which of the following?
A. Transport of CO2 in blood
B. Production of gastric acid
C. Renal tubular secretion of H+ ions
D. All of the above
24. Which of the following has the most immediate effect to stimulate an increases in ventilation?
A. A decrease in PCO2 in systemic venous blood
B. A decrease in PO2 in systemic venous blood
C. A decrease in pH of the cerebrospinal fluid
D. An increase in PO2 in systemic arterial blood
25. All of the following occur during the post-absorptive (fasting) state EXCEPT _____.
A. Glycogen synthesis
B. Glygcogenolysis
C. Gluconeogenesis (glucose synthesis)
D. Lipolysis
26. The process of ventilation-perfusion coupling controls pulmonary blood flow in which of the
following ways?
A. Decreased alveolar PO2 causes pulmonary arterioles to constrict.
B. Increased alveolar PO2 causes pulmonary arterioles to constrict.
27. Parietal cells found in the gastric glands secrete:
A. Amylase
B. Active pepsin
C. HCl
D. Chymotrypsin
28. Filtrate is equivalent to
A. Blood
B. Blood plasma
C. Blood plasma without proteins
D. Blood plasma without proteins and nutrients
29. The hormone ____ stimulates enzyme secretion from the pancreas, stimulates release of bile
and inhibits gastric emptying.
A. Secretin
B. CCK
C. Insulin
D. Gastrin
30. The absorptive (fed) state is controlled by _____.
A. Epinephrine
B. Glucagon
C. CCK
D. Insulin
Explanation / Answer
16.B
17.B
18. A,B
19.B
20.D
21.B
22.A
23.D
24.
25.A
26.B
27.C
28.B
29.B
30.D
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