Usually, awareness of the stimulus occurs before a reflex action has been initiated.
Answer the following statement true (T) or false (F)
False
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All of the following are true of fiber tracts in the spinal cord except
A) the tracts are randomly located with respect to the type of information carried. B) all axons within a tract relay information in the same direction. C) each tract carries sensory or motor information, but not both. D) axons of a single tract are relatively uniform in diameter, myelination, and conduction speed. E) None of the answers are correct.
All of the following are regions of the colon except which one?
A. Anal canal B. Sigmoid C. Rectum D. Cecum
Which of the following is an agranular leukocyte that becomes a tissue macrophage after approximately 24 hours in circulation?
a. eosinophil b. basophil c. monocyte d. lymphocyte
The vasomotor center which regulates blood vessel diameter is located in the brain stem.
a. true b. false