The area of greatest visual acuity is the ________.
A. optic disc
B. posterior chamber
C. fovea centralis
D. lens
E. blind spot
Answer: C
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Where does blood cell formation typically occur in a bone?
A. The epiphyseal plate B. The articular cartilage C. The red bone marrow D. The yellow bone marrow E. The gelatinous bone marrow
Thermoregulation is provided by
A) sensible perspiration. B) changing blood flow to the dermis. C) muscle contraction. D) All of the answers are correct. E) None of the answers are correct.
Multiunit smooth muscle is considered neurogenic, which means
a. contraction occurs following a spontaneous depolarization event. b. contraction is regulated by pacemaker cells lying within the muscle. c. the muscle is stimulated to contract through direct nervous input. d. contraction is proportional to the generator potential of the nerve. e. more than one of these.
The bones of the antebrachium are the
A. radius and ulna. B. radius, ulna, humerus, and carpals. C. radius, ulna, carpals, and metacarpals. D. radius, ulna, and humerus. E. carpals, metacarpals, and phalanges.