How many pairs of ribs make up the thoracic cage?
A) 10
B) 11
C) 12
D) 24
C
Explanation:
A) There are more than 10 pairs of ribs.
B) There are more than 11 pairs of ribs.
D) There are fewer than 24 pairs of ribs.
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Elastic connective tissue forms ________.
A. branching networks or parallel strands B. cartilage C. bones D. ligaments and tendons
The upper motor neurons of the medial pathway are located within any of the following except the
A) vestibular nuclei. B) reticular formation. C) superior colliculi. D) inferior colliculi. E) mammillary bodies.
The normal body response to prolonged exposure in a cold environment is to:
A. decrease metabolism B. vasodilate the skin C. increase plasma cortisol levels D. increase body surface area E. decrease voluntary muscle activity
Which germ layer is the cardiovascular system derived from?
A. ectoderm B. mesoderm C. endoderm