Typically, the resting membrane potential of a neuron is
A. ?70 mV.
B. 0 mV.
C. ?7 V.
D. 7 V.
E. 700 mV.
Answer: A
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Crossing the field to take her outfield position for a neighborhood softball game, Molly is hit in the face by a wild practice pitch. The ball hits her squarely in the eye socket, shattering several bones, but miraculously only bruising her eyeball
Which bones might be affected? What will be an ideal response?
To be reabsorbed by the tubules, how many distinct barriers must a substance cross?
a. two b. three c. four d. five e. six
Normally, the systemic arterial blood has a PO2 of ________ mm Hg, a PCO2 of ________ mm Hg, and a pH of ________.
A. 7.4; 40; 95 B. 95; 40; 7.4 C. 40; 95; 7.4 D. 40; 7.4; 95 E. 95; 7.4; 40
The vasa recta is a specialized portion of the
A. glomerulus. B. afferent arteriole. C. efferent arteriole. D. peritubular capillary. E. interlobular artery.