Vasopressin has which of the following actions?
A. increases the water permeability of the thick ascending limb of Henle's loop
B. increases the urea permeability of the cortical portion of the collecting duct
C. increases the water permeability of the collecting duct
D. decreases the GFR
E. increases the water permeability of the proximal tubule
ANS: D
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If a person were to have substantial blood loss you would expect to see all of the following physiological events to except one. Select the least likely response to substantial blood loss
A) increasing vasomotor tone B) decreased heart rate C) increases peripheral resistance D) a weak, thread pulse
Which of the following parasites can cause a skin condition in humans called cutaneous larval migrans?
a. roundworm c. hookworm b. whip worm d. heartworm
Decrease in alveolar oxygen concentration causes
a. vasoconstriction of the pulmonary arteriole. b. relaxation of bronchiolar smooth muscle. c. vasodilation of the pulmonary arteriole. d. vasoconstriction of the pulmonary arteriole and vasodilation of the pulmonary arteriole. e. vasoconstriction of the pulmonary arteriole and relaxation of bronchiolar smooth muscle.
The primary job of erythrocytes is to transport oxygen
Indicate whether the statement is true or false