Answer Options:
True
False
Answer: True
Question: The segment of the nephron that is always impermeable to water, even in the presence of antidiuretic hormone (ADH), is the
Answer Options:
A. proximal tubule
B. ascending limb of the loop of Henle
C. descending limb of the loop of Henle
D. collecting duct
Answer: B. ascending limb of the loop of Henle
Question: Which statement is correct?
Answer Options:
A. Water reabsorption is under control of antidiuretic hormone (ADH) throughout the length of the nephron.
B. The ascending limb of the loop of Henle is impermeable to water.
C. The descending limb of the loop of Henle is always impermeable to water.
D. ADH makes the distal and collecting tubules impermeable to water.
Answer: B. The ascending limb of the loop of Henle is impermeable to water.
Question: Which part of the loop of Henle actively transports Na+ and Cl- out of the tubular lumen into the surrounding interstitial fluid?
Answer Options:
A. proximal tubule
B. ascending limb of the loop of Henle
C. descending limb of the loop of Henle
D. collecting duct
Answer: B. ascending limb of the loop of Henle
Question: All of the following are absorbed in the stomach except:
a) Water
b) Alcohol
c) Acetaminophen
d) Amino acids
Answer Options:
Answer: d) Amino acids
Question: Under normal conditions, when ________ pressure becomes greater than ________ pressure, air will flow out of the lungs.
Answer Options:
A. alveolar; atmospheric
B. alveolar; intrapleural
C. atmospheric; alveolar
D. none of the above
Answer: A. alveolar; atmospheric
Question: “Only those with secret, insider knowledge may reach God” is a salient feature of which Early Christian heresy?
Answer Options:
Arianism
Manicheism
Gnosticism
Marcionism
Answer: Gnosticism
Question: Which of the following decreases hemoglobin’s affinity for oxygen?
Answer Options:
A. Increased blood pH
B. Low PO2
C. High blood concentration of 2,3-bisphosphoglycerate (2,3-BPG)
D. Low blood concentration of H+
Answer: C. High blood concentration of 2,3-bisphosphoglycerate (2,3-BPG)
Question: Which of the following white blood cells function in “humoral immunity” and produce antibodies?
Answer Options:
Phagocytes
T lymphocytes or T-cells
B lymphocytes or B-cells
Eosinophils
None of the above
Answer: B lymphocytes or B-cells
Question: A person who has a tidal volume of 516 mL/breath, a respiratory rate of 13 breaths/minute, and a physiologic dead space volume of 163 mL will have an alveolar ventilation rate of
Answer Options:
A. less than 4412 mL/minute.
B. 4412 mL/breath.
C. Greater than 4412 mL/minute.
Answer: A. less than 4412 mL/minute.