The autonomic nervous system carries what kind of messages?

A. Sensory
B. Efferent
C. Voluntary
D. Afferent


Answer: B

Anatomy & Physiology

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Acetylcholine slows the heart rate by

A) increasing the permeability to K+ and decreasing the permeability to Ca2+. B) just increasing the permeability to K+. C) just increasing ion influx, thus increasing the rate of depolarization. D) just decreasing the permeability to Ca2+. E) just increasing the permeability to Ca2+.

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Powerful peristaltic contractions that occur a few times each day in the colon are called

A) segmentation. B) pendular movements. C) haustral churning. D) defecation. E) mass movements.

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The glial cell with perivascular feet that wrap around capillaries in the CNS is the

A.  astrocyte. B.  ependymal cell. C.  neurolemmocyte. D.  microglial cell. E.  oligodendrocyte.

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Complement facilitates inflammation by activating basophils and mast cells and by attracting macrophages and neutrophils

Indicate whether this statement is true or false.

Anatomy & Physiology