A sensory unit is defined as
A. all of the sensory receptors in a given area of the body that respond to the same stimulus.
B. a single receptor ending and its afferent nerve fiber.
C. a single afferent neuron and all its receptor endings.
D. an afferent neuron and its postsynaptic interneurons.
E. a reflex composed of an afferent neuron, an interneuron, and an efferent neuron.
C
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A) dorsal B) proximal C) sagittal D) ventral E) superficial
The instrument used to measure blood pressure is the
A) stethoscope. B) thermometer. C) endoscope. D) sphygmomanometer. E) hydrostatic pressure cuff.
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A. dental caries B. halitosis C. gingivitis D. pyorrhea
Negative feedback inhibition occurs when ________
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