Ch 9.1 Components of the Nervous System

Question 1

afferent

Answer 1

conducting impulses inward toward the spinal cord or brain

Question 2

autonomic

Answer 2

involuntary; pertaining to the self-governing visceral motor division of the PNS

Question 3

efferent

Answer 3

conducting impulses outward away from the brain or spinal cord

Question 4

ganglion

ganglia (pl)

Answer 4

collection of nerve cell bodies outside the CNS

Question 5

motor

Answer 5

pertaining to nerves that send impulses out to cause muscles to contract or glands to secrete

Question 6

nerve

nervous (adj)

Answer 6

a cord of fibers in connective tissue that conduct impulses

pertaining to nerves

Question 7

neurology

Answer 7

medical specialty of disorders of the nervous system

Question 8

neurologist

Answer 8

medical specialist in disorders of the nervous system

Question 9

neurologic

Answer 9

pertaining to the nervous system

Question 10

neuron

Answer 10

technical term for a nerve cell; consist of the cell body with dendrites and axons

Question 11

neurosurgeon

Answer 11

specialist in operating on the nervous system

Question 12

neurosurgery

Answer 12

medical specialty in surgery of the nervous system

Question 13

parasympathetic

Answer 13

pertaining to division of the ANS; has opposite effects of the sympathetic division

Question 14

peripheral

Answer 14

pertaining to the periphery or external boundary

Question 15

plexus

plexuses (pl)

Answer 15

a weblike network of joined nerves

Question 16

sensory

Answer 16

having the function of sensation; relate to structures of the nervous system that carry impulses to the brain

Question 17

somatic

Answer 17

pertaining to a division of the peripheral nervous system serving the skeletal muscles

Question 18

sympathetic

Answer 18

pertaining to the part of the ANS operating at the unconscious level

Question 19

visceral

Answer 19

pertaining to the internal organs