Which cells are responsible for photopic (day) vision as well as trichromatic (color) vision?
A. Pigment cells
B. Rods
C. Ganglion cells
D. Bipolar cells
E. Cones
Answer: E
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Growth due to increased cell size is called ________.
hypertrophy hyperplasia atrophy Dystrophy
Which of the following muscles is not innervated by the radial nerve?
A. Anconeus B. Supinator C. Triceps brachii D. Pronator teres
Which of the following is NOT true of the latch state of smooth muscle contraction?
A. Myosin phosphatase removes the phosphate group from myosin. B. It allows contraction without a large energy expenditure. C. It explains why smooth muscle can sustain tension for long periods of time. D. It occurs when the phosphate is removed while the cross-bridges are attached to actin. E. It occurs when the phosphate is removed while the cross-bridges are not attached to actin.
By covering the whole body surface, the skin acts as a protective barrier and plays a role in
A. respiration. B. circulation. C. digestion. D. excretion. E. immunity.