Which of the following will decrease peripheral resistance?
A) increase in vessel length
B) increase in blood viscosity
C) increase in vessel radius
D) increase in vessel obstructions
Answer: C
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Carbonic anhydrase
a. is found in the red blood cells. b. catalyzes the formation of carbonic acid from carbonic dioxide and water. c. catalyzes the formation of oxyhemoglobin from oxygen and reduced hemoglobin. d. both (a) and (b) above. e. both (a) and (c) above.
The parathyroid gland, which secretes parathyroid hormone, is an organ comprising mainly tissue
a. nervous b. muscle c. connective d. epithelial
The function of gustatory receptors parallels that of
A) light receptors in the eye. B) mechanoreceptors in the ear. C) olfactory receptors. D) lamellar corpuscles. E) Meissner corpuscles.
Which of the two collecting ducts receives lymph from right arm, right side of head and thorax; empties into right subclavian vein:
a. Thoracic duct. b. Left Lymphatic duct. c. Right Lymphatic duct. d. None of the above.