Lesson 8

Question 1

analgesics

Answer 1

drugs that reduce pain

Question 2

neuritis

Answer 2

inflammation of a nerve

Question 3

plexus

Answer 3

a network of spinal nerves

Question 4

reflex

Answer 4

involuntary action, automatic response

Question 5

sciatica

Answer 5

neuritis of the sciatic nerve

Question 6

stimulus

Answer 6

any change in the environment

Question 7

Bell’s palsy

Answer 7

disorder that effects the facial nerve

Question 8

biofeedback

Answer 8

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

Question 9

carpal tunnel syndrome

Answer 9

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

Question 10

cranial nerves

Answer 10

twelve pairs of nerves that begin in the brain and transmit messages to various parts of the face and head to stimulate various functions

Question 11

effectors

Answer 11

the responding organs to a stimulus, which may be in the form of movement

Question 12

electromyography (EMG)

Answer 12

device used to measure electrical muscle activity

Question 13

femoral nerve

Answer 13

found in the lumbar plexus; it stimulates the hip and leg

Question 14

ganglia

Answer 14

a mass of nerve cell bodies outside the central nervous system

Question 15

mixed nerve

Answer 15

nerve composed of both afferent (sesnory) fibers and efferent (motor) fibers

Question 16

motor/efferent nerve

Answer 16

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

Question 17

neuralgia

Answer 17

severe stabbing pain along the pathway of a nerve

Question 18

parasympathetic system

Answer 18

division of the autonomic nervous system that inhibits or opposes the effects of the sympathetic nervous system

Question 19

paresthesia

Answer 19

sensation of tingling, crawling, or burning of the skin

Question 20

peripheral neuropathy

Answer 20

term used to describe damage to the peripheral nerve

Question 21

phrenic nerve

Answer 21

nerve that controls the diaphragm and intercostal muscles

Question 22

radial nerve

Answer 22

nerve found in the brachial plexus that stimulates the wrist and hand

Question 23

receptors

Answer 23

sensory nerves that receive a stimulus and transmit it to the central nervous system

Question 24

sciatic nerve

Answer 24

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

Question 25

sensory/afferent nerve

Answer 25

nerve fibers that carry messages from the sense organs to the brain and spinal cord

Question 26

somatic nervous system

Answer 26

a division of the peripheral nervous system; it conducts impulses from the brain and spinal cord to the skeletal muscles thereby causing responses to changes in our external environment

Question 27

spinal nerves

Answer 27

31 pairs; they originate in the spinal cord

Question 28

sympathetic system

Answer 28

division of autonomic nervous system

Question 29

trigeminal neuralgia

Answer 29

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