Which of the following increases the rate of gas exchange across the respiratory membrane?
A. Decreased surface area of the respiratory membrane
B. Increased fluid in the alveoli
C. Increased surface area of the respiratory membrane
D. Increased thickness of the respiratory membrane
E. Increased connective tissue in the alveolar wall
Answer: C
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A) abducens. B) facial. C) vagus. D) trigeminal. E) glossopharyngeal.
Which of the following is NOT a disorder of water balance?
A) hypotonic hydration, in which sodium content is normal but water content is high B) excessive hydration due to excess atrial natriuretic peptide (ANP) secretion C) edema or tissue swelling, which is usually due to an increased capillary hydrostatic pressure D) excess water in interstitial spaces due to a low level of plasma proteins
Cholecystokinin is a(n) ________ released by the ________.
A. enzyme; small intestine B. enzyme; gallbladder C. hormone; gallbladder D. hormone; small intestine E. enzyme; stomach
The retina is composed of two layers: an inner pigmented layer and an outer neural layer.
Answer the following statement true (T) or false (F)