What capillaries come off of the efferent arterioles associated with juxtamedullary nephrons?
A) arcuate
B) peritubular
C) glomerulus
D) vasa recta
E) lobular
Ans: D) vasa recta
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Which of the following descriptions best matches the term colony stimulating factor?
A) adheres to collagen beneath endothelium B) helper cells are one type C) hormone that regulates white blood cell formation D) kills bacteria using hydrogen peroxide E) often elevated in allergic individuals
Mary is 50 years old and has entered menopause. During a checkup, a bone scan reveals the beginnings of osteoporosis. Her physician suggests nutritional therapy. What might she recommend for Mary?
A) vitamin C B) vitamin D C) calcium supplements D) dairy products E) All of the answers are correct.
Dalton's law states that
A) gas volume and temperature are directly proportional. B) gas volume and pressure are inversely proportional. C) the volume of gas that will dissolve in a solvent is proportional to the solubility of the gas and the gas pressure. D) in a mixture of gases such as air, the total pressure is the sum of the individual partial pressures of the gases in the mixture. E) gas pressure is inversely proportional to gas volume.
The reason a human may be paler when exposed to cold temperatures is
A. purely psychological. B. dehydration of the stratum corneum. C. constriction of the dermal collagen and elastic fibers. D. vasodilation has occurred. E. vasoconstriction has occurred.