The action of the adductor longus is to
a. adduct and flex the thigh
b. adduct and flex the humerus
c. abduct and extend the thigh
Ans: a. adduct and flex the thigh
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The humoral control of hormone release may be triggered which of the following factors?
A) blood level of an ion like calcium B) blood level of a pituitary hormone C) blood level of a hypothalamic hormone D) nervous stimuli E) neurotransmitter activation
Circular folds are
A) ridges in the wall of the stomach. B) pleats in the lining of the small intestine. C) fingerlike projections on the surface of the mucosa of the small intestine. D) sacculations in the colon. E) abnormal structures formed by excessive pressure in the small intestine.
Which of these is NOT a nerve of the brachial plexus?
A) musculocutaneous nerve B) radial nerve C) ulnar nerve D) median nerve E) phrenic nerve
PTH is secreted in a regulated manner. Which of the following directly increases PTH synthesis and/or secretion?
A. elevated 1,25-dihydroxyvitamin D B. decreased blood phosphate levels (hypophosphatemia) C. decreased blood Ca++ levels (hypocalcemia) D. elevated blood K+ levels (hyperkalemia) E. elevated Mg++ levels (hypermagnesemia)