The phenomenon known as referred pain
A. is a perception of a false painful stimulus with no initiating stimulus; it is created in the mind.
B. is the projected perception of pain as a sensation being experienced at a site other than that of the actual injured or diseased tissue.
C. involves a descending pathway that blocks the release of substance P in the spinal cord.
D. is synonymous with the persistence of perceptions of painful stimuli long after the activity responsible for triggering them has ceased.
B
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The term for reduced blood flow to the cardiac muscle is ________.
Fill in the blank(s) with the appropriate word(s).
Spermatogenesis occurs in the seminiferous tubules.
a. true b. false
The reaction H2CO3 ? H+ + HCO3 is what type of reaction?
A) decomposition B) exchange C) hydrolysis D) synthesis E) reversible
Which part of a neuron will have the highest density of voltage-gated Na+ channels?
a. the dendrites b. the cell body c. the axon hillock d. the axon e. the axon terminal.