The smaller the receptive fields in a region,
a. the lower the density of receptors in the region
b. the lower the acuity in the region
c. the more likely of feeling two separate stimuli occurring close together on the skin
d. all of the above will be true
e. only a and b will be true
C
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The dental formula for an adult is 2-1-2-3. What does the 1 stand for?
A) incisor tooth B) molar tooth C) premolar tooth D) canine tooth
A muscle that inserts on the body of the mandible is probably involved in
A) kissing. B) blowing. C) chewing. D) frowning. E) spitting.
A pedestrian narrowly avoids being hit by an oncoming car. He notices that it takes a little while for his heart rate and respiratory rate to return to normal. This is likely because
A) the parasympathetic nervous system has become activated. B) sympathetic activation of the adrenal medulla has released epinephrine and norepinephrine into the bloodstream. C) the splanchnic nerves have become activated. D) somatic motor neurons have increased the heart and respiratory rate. E) the corticospinal pathway has become activated.
An increase in a response following exposure to a strong or noxious stimulus is called __________
Fill in the blank with the correct word.