Chapter 9

Question 1

analgesic

Answer 1

drug that reduces pain

Question 2

autonomic N/S

Answer 2

collection of nerves, ganglia, and plexsus through which visceral organs, heart, blood vessels, glands, and smooth (involuntary) muscles receive stimulation

Question 3

Bell’s Palsy

Answer 3

disorder that affects the facial nerve. The patient seems to have had a stroke on one side of the face. The eye does not close properly, the mouth drops, and there is numbness on the affected side.

Question 4

biofeedback

Answer 4

a measurement of physiological responses that yields information about the relationship between the mind and the body and helps people learn how to manipulate those responses through mental activity

Question 5

carpal tunnel syndrome

Answer 5

a condition that affects the median nerve and the flexor tendons that attach to the bones of the wrist

Question 6

Cranial nerves

Answer 6

12 pairs which begin in areas of the brain

Question 7

effector

Answer 7

the responding organs

Question 8

electromyograph (EMG)

Answer 8

device used to measure electrical muscle activity

Question 9

ergonomics

Answer 9

the application of biology and engineering to the relationship between the worker and their environment; also called biotechnology

Question 10

femoral nerve

Answer 10

found in the lumbar plexus; stimulates the hip and leg

Question 11

mixed nerve

Answer 11

contains both sensory (afferent) and motor (efferent) fibers

Question 12

motor (efferent) nerve

Answer 12

nerve fibers carries impulses from the brain or spinal cord to muscles, organs, or glands

Question 13

neuralgia

Answer 13

a sudden, severe, sharp, stabbing pain along the pathway of a nerve

Question 14

neuritis

Answer 14

an inflammation of a nerve or a nerve trunk

Question 15

parasympathetic system

Answer 15

division of the autonomic nervous system inhibits or opposes the effects of the sympathetic system; has two important active nerves: the vagus and the pelvic nerves

Question 16

parasthesia

Answer 16

sensation of tingling, crawling or burning of skin

Question 17

peripheral N/S

Answer 17

consists of all the nerves that connect the brain and spinal cord with sensory receptors, muscles, and glands

Question 18

phrenic nerve

Answer 18

stimulates the diaphram

Question 19

plexus

Answer 19

a network of spinal nerves

Question 20

radial nerve

Answer 20

found in the brachial plexus; it stimulates the wrist and hand

Question 21

receptor

Answer 21

sensory nerve that receives a stimulus and transmits it to the CNS

Question 22

reflex

Answer 22

involuntary action; automatic response

Question 23

sciatica

Answer 23

neuritis of the sciatic nerve

Question 24

sciatic nerve

Answer 24

largest nerve in the body; originates in the sacrel plexus, runs through the pelvis and down the leg

Question 25

sensory (afferent) nerve

Answer 25

nerve fibers carrying impulses to the brain or spinal cord from the muscles or glands

Question 26

shingles (herpes zoster)

Answer 26

a virus infection of the nerve endings

Question 27

somatic N/S

Answer 27

conducts impulses from the brain and the spinal cord to skeletal muscles

Question 28

spinal nerves

Answer 28

31 pairs, originate in the spinal cord

Question 29

stimulus

Answer 29

any change in environment

Question 30

sympathetic system

Answer 30

consists primarily of two cords, beginning at the base of the brain and proceeding down both sides of the spinal column

Question 31

trigeminal neuralgia

Answer 31

painful condition affecting the fifth cranial nerve; also known as tic douloureux