The word "countercurrent" within "countercurrent multiplier" refers to the opposite direction of flow of

A.  sodium and potassium across the wall of the nephron.
B.  tubular fluid within the ascending and descending limb of the nephron loop.
C.  salts and water across the wall of the renal tubule.
D.  tubular fluid in the proximal convoluted tubule and collecting tubule.


B

Anatomy & Physiology

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Cerebrospinal fluid is

A) yellow in the CNS and clear in the PNS. B) white and thick. C) clear and liquid. D) red.

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The effects of a lack of insulin on protein metabolism result in a net shift toward protein __________

Fill in the blank(s) with correct word

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The term lordosis refers to

A. the anterior convexity in the lumbar region that a child develops when he or she walks upright B. an exaggeration of the secondary curvature that develops in the lumbar region C. a and b D. Neither a nor b

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Compatible solutes

A) Disrupt macromolecular function. B) Do not disrupt macromolecular function, as long as the concentration is low. C) Do not disrupt macromolecular function, even at high concentration. D) Do not disrupt macromolecular function, as long as there are counteracting solutes present.

Anatomy & Physiology