Which vitamin is essential for the absorption of calcium and phosphorus from the GI tract?
a) A
b) D
c) E
d) K
e) C
d
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Fatty folds of skin that encircle and partially conceal the labia minora and vestibule are the
A) fornices. B) ampullae. C) labia majora. D) mons pubis. E) vestibular arches.
Tightening of the Stannius ligature between the atria and the ventricle can induce a complete heart block in a frog heart. During a complete heart block, ________
A) there is a 2:1 ratio between atrial and ventricular contraction B) there is a 1:1 ratio between atrial and ventricular contraction C) the atria and ventricle beat independent of each other
Which type of neuroglial cell functions to form the blood-brain barrier?
A. Satellite cells B. Oligodendrocyte C. Microglia D. Astrocyte
Sutures are joints that are found
A. between certain bones of the skull. B. between all bones and teeth of the skull. C. only where a facial bone articulates with a cranial bone. D. throughout the axial and appendicular skeletons.