which muscle is located in the cheek?
a) occipitalis
b) mentalis
c) orbicularis oris
d) buccinator
d) buccinator
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Water will always move from ________ areas to ________ areas, if there are no impermeable barriers.
A) hyperosmotic, isosmotic B) isosmotic, hyposmotic C) hyperosmotic, hyposmotic D) hyposmotic, hyperosmotic
Rabbits should eat this percentage of their body weight as a maintenance diet:
a. 10 % c. 4 % b. 2 % d. 5 %
Bone length is increased primarily by:
a. appositional growth b. interstitial growth c. periosteal growth d. intramembranous growth
Which is NOT true about the countercurrent multiplier system of the kidney?
A. It creates a hyperosmolar medullary interstitium that allows the kidneys to form hypertonic urine. B. The descending loop of Henle is permeable to water. C. There is active transport of sodium and chloride out of the ascending limb of the loop of Henle. D. The ascending loop of Henle is not permeable to water. E. The fraction of filtered NaCl reabsorbed from the ascending limb equals the fraction of filtered water reabsorbed from the descending limb.