QUESTIONS AND ANSWERS
1) The mechanism that establishes the medullary osmotic gradient depends most on the
permeability properties of the ________.
A) loop of Henle
B) glomerular filtration membrane
C) collecting duct
D) distal convoluted tubule - ANS A
2) Urine passes through the ________.
A) renal hilum to the bladder to the ureter
B) pelvis of the kidney to ureter to bladder to urethra
C) glomerulus to ureter to renal tubule
D) hilum to urethra to bladder - ANS B
3) Which of the following is not associated with the renal corpuscle?
A) a podocyte
B) a vasa recta
C) a fenestrated capillary
D) an efferent arteriole - ANS B
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, 4) An increase in the permeability of the cells of the collecting tubule to water is due to a(n)
________.
A) decrease in the production of ADH
B) increase in the production of ADH
C) increase in the production of aldosterone
D) decrease in the concentration of the blood plasma - ANS B
5) The urinary bladder is composed of ________ epithelium.
A) transitional
B) simple squamous
C) stratified squamous
D) pseudostratified columnar - ANS A
6) The kidneys are stimulated to produce renin ________.
A) when the peritubular capillaries are dilated
B) when the pH of the urine decreases
C) by a decrease in the blood pressure
D) when the specific gravity of urine rises above 1.10 - ANS C
7) Which of the choices below is not a function of the urinary system?
A) helps maintain homeostasis by controlling the composition, volume, and pressure of blood
B) regulates blood glucose levels and produces hormones
C) maintains blood osmolarity
D) eliminates solid, undigested wastes and excretes carbon dioxide, water, salts, and heat -
ANS D
8) Which gland sits atop each kidney?
A) adrenal
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