Vomiting, diarrhea and flushing are caused by
A) excess niacin. B) a deficiency of iron.
C) excess vitamin C. D) a lack of calcium.
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Question 2) The visceral and parietal pleural membranes are normally held together by
A) a thin film of serous fluid. B) surfactant.
C) dense connective tissue. D) loose connective tissue.
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Question 3) When plasma glucose concentration exceeds the renal plasma threshold,
A) the glomerular filtration rate increases.
B) glucose is secreted into the peritubular capillary.
C) the volume of urine decreases.
D) glucose appears in the urine.
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Question 4) Respiratory distress syndrome in newborns is caused by
A) lack of a respiratory membrane. B) high oxygen concentration.
C) low oxygen concentration. D) lack of surfactant.
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Question 5) The vitamin that functions as part of coenzyme A is
A) pantothenic acid. B) riboflavin.
C) pyridoxine. D) niacin.
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Question 6) Of the respiratory air volumes listed, which one has the largest volume?
A) Inspiratory reserve volume B) Tidal volume
C) Vital capacity D) Expiratory reserve volume
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Question 7) The reabsorption of glucose occurs primarily through the walls of the
A) distal convoluted tubule. B) glomerular capsule.
C) proximal convoluted tubule. D) nephron loop.
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Question 8) Once in the glomerular capsule, the filtrate moves into the
A) renal tubule. B) ureter. C) renal pelvis. D) minor calyx.
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Question 9) Intrinsic factor regulates the absorption of
A) vitamin B6. B) vitamin B12. C) biotin. D) folacin.
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Question 10) The first capillary bed associated with the nephron
A) reverses the flow of blood. B) reabsorbs nutrients.
C) adjusts pH. D) filters.
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