8. Most of the fibers around the outer hair cells are effere…
8. Most of the fibers around the outer hair cells are efferent fibers that convey messages from the brain; usually active with loud sounds to activate a feedback loop to dampen the motion of the outer hair cells (e.g. the outer hair cells become stiff). A. True B. False
Read Details11. In gustation, as the dendrites take a signal from the re…
11. In gustation, as the dendrites take a signal from the receptor cell to the brain, the 2 types of gustatory cells release which two as neurotransmitters (or serve as neurotransmitters)? A. Acetylcholine, ATP B. Acetylcholine, Serotonin C. Serotonin, ATP D. Serotonin, Norepinephrine
Read Details30. What mechanism prevents an aggregation of platelets on u…
30. What mechanism prevents an aggregation of platelets on undamaged tissue during hemostasis? A. Systemic vasoconstriction B. Nitric Oxide formation leading to vasoconstriction on the damaged tissue C. Nitric Oxide formation leading to vasodilation on the undamaged tissue D. Phosphodiesterase breaking down cGMP
Read Details23. Which of the following is NOT an event associated with a…
23. Which of the following is NOT an event associated with accommodation of the lens for close vision? A. There is bulging of the lens B. Refractory power of the lens decreases C. Ciliary muscles contract and move toward the lens D. Contraction of circular muscle is mediated by parasympathetic fibers of oculomotor nerves
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