Compared to the average adult male, the average adult female has
A) more water and more adipose tissue. B) less water and less adipose tissue.
C) less water and more adipose tissue. D) more water and less adipose tissue.
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Question 2) In which of the following regions of the nephron is water actively transported?
A) None of the above
B) Peritubular capillaries
C) Descending limb of the nephron loop
D) Proximal convoluted tubule
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Question 3) People suffering mineral deficiencies sometimes compulsively eat non-nutritive
substances, such as laundry starch, dirt, hair, and clay. This condition is called
A) pernicious anemia. B) obsessive-compulsive disorder.
C) anorexia. D) pica.
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Question 4) Which of the following minerals is important in synthesizing and using ATP?
A) Chlorine B) Zinc C) Potassium D) Magnesium
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Question 5) Transcellular fluid includes the water and electrolytes in
A) all of the above.
B) the synovial fluid of the joints.
C) the cerebrospinal fluid.
D) the aqueous and vitreous humors of the eyes.
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Question 6) The first event in expiration is
A) inter-alveolar pressure increases.
B) elastic tissues of the lungs, thoracic cage, and abdominal organs recoil.
C) the diaphragm and external intercostal respiratory muscles relax.
D) air is squeezed out of the lungs.
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Question 7) Which of the following would increase the rate of glomerular filtration?
A) Increased blood pressure B) A constricted afferent arteriole
C) Decreased blood pressure D) A dilated efferent arteriole
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Question 8) Excess potassium
A) is excreted in urine. B) is deposited in the blood.
C) causes brittle bones. D) disrupts body pH.
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Question 9) Water balance and electrolyte balance are interdependent because
A) water and electrolytes are both in an ionic state in the blood.
B) water dissolves in electrolytes.
C) both form ions in blood.
D) electrolytes are dissolved in water.
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Question 10) Most hydrogen ions are secreted
A) passively into the proximal convoluted tubule.
B) actively from the distal convoluted tubule.
C) passively from the distal convoluted tubule.
D) actively into the entire renal tubule.
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