rad tech 8

Question 1

afferent nerves

Answer 1

transmitters of nerve impulses toward the CNS; aka sensory nerves

Question 2

alexia

Answer 2

the inability to convert ones thoughts into writing

Question 3

analgesia

Answer 3

without the sensitivity to pain

Question 4

anesthesia

Answer 4

without feeling or sensation

Question 5

anesthetic

Answer 5

pertaining to partially or completely numbing or eliminating sensitivity with or without loss of consciousness

Question 6

aneurysm

Answer 6

a localized dilation in the wall of an artery that expands with each pulsation of the artery; usually caused by hypertension or atherosclerosis

Question 7

aphasia

Answer 7

inability to communicate through speech, writing, or signs because of an injury to or a disease in certain areas of the brain

Question 8

ataxia

Answer 8

without muscular coordination

Question 9

ans

Answer 9

autonomic nervous system; the part of the nervous system that regulates the involuntary vital functions of the body

Question 10

brain stem

Answer 10

the stemlike portion of the brain that connects the cerebral hemisphere with the spinal cord

Question 11

cauda equina

Answer 11

the lower end of the spinal cord and the roots of the spinal nerves that occupy the spinal canal below the level of the first lumbar vertebra

Question 12

cns

Answer 12

central nervous system; one of the two main divisions of the nervous system, consisting of the brain and the spinal cord

Question 13

cerebellum

Answer 13

the part of the brain responsible for coordinating voluntary muscular movement; located behind the brain stem

Question 14

cerebrospinal fluid

Answer 14

the fluid flowing through the brain and around the spinal cord that protects them form physical blow or impact

Question 15

cerebrum

Answer 15

the largest and uppermost part of the brain; controls consciousness, memory, sensations, emotions and voluntary movements

Question 16

cervical radiculopathy

Answer 16

any disease of the spinal nerve roots in the neck; caused by pressure on the nerve roots

Question 17

cheyne stokes respiration

Answer 17

an abnormal pattern of breathing characterized by periods of apnea followed by deep rapid breathing

Question 18

coma

Answer 18

a deep sleep in which the individual cannot be aroused and does not respond to external stimuli

Question 19

contracture

Answer 19

a permanent shortening of a muscle causing a joint to remain in an abnormally flexed position, with resultant physical deformity

Question 20

craniotomy

Answer 20

a surgical incision into the cranium or skull

Question 21

dementia

Answer 21

a progressive irreversible mental disorder in which the person has deteriorating memory, judgement and ability to think

Question 22

diencephalon

Answer 22

the part of the brain located between the cerebrum and the midbrain; main structure consists of the thalamus and hypothalamus and pineal gland

Question 23

dyslexia

Answer 23

a condition characterized by an impairment of the ability to read

Question 24

dysphasia

Answer 24

difficult speech

Question 25

efferent nerves

Answer 25

transmitters of nerve impulses away from the CNS aka motor nerves

Question 26

embolism

Answer 26

an abnormal condition in which a blood clot becomes lodged in a blood vessel, obstructing the flow of blood within the vessel

Question 27

epidural space

Answer 27

the space immediately outside the dura mater that contains a supporting cushion of fat and other connective tissue

Question 28

fontanelle or fontanel

Answer 28

a space covered by tough membrane between the bone of an infants cranium

Question 29

gait

Answer 29

the style of walking

Question 30

hemiparesis

Answer 30

slights or partial paralysis of one half of the body

Question 31

hemiplegia

Answer 31

paralysis of one half of the body

Question 32

kinesiology

Answer 32

the study of muscle movement

Question 33

lethargy

Answer 33

a state of being sluggish

Question 34

narcolepsy

Answer 34

uncontrolled, sudden attacks of sleep

Question 35

nerve block

Answer 35

the injection of a local anesthetic along the course of a nerve or nerves to eliminate sensation to that area supplied by the nerves

Question 36

neuralgia

Answer 36

severe, sharp, spasm-like pain that extends along the course of one or more nerves

Question 37

neurologist

Answer 37

physician who specializes in treating the diseases and disorders of the nervous system

Question 38

occlusion

Answer 38

blockage

Question 39

palliative

Answer 39

soothing

Question 40

paraplegia

Answer 40

paralysis of the lower extremities and trunk; usually due to spinal cord injuries

Question 41

parasympathetic nerves

Answer 41

nerves of the ANS that regulate essential involuntary body functions such as slowing the heart rate, increasing peristalsis of the intestines and more

Question 42

quadriplegia

Answer 42

paralysis of all four extremities and the trunk of the body; causes by injury to the spinal cord at the level of the cervical

Question 43

sciatica

Answer 43

inflammation of the sciatic nerve

Question 44

shunt

Answer 44

a tube or passage that diverts or redirects body fluid from one cavity or vessel to another; uses in hydrocephalus

Question 45

somatic nervous system

Answer 45

the part of the PNS that provides voluntary control over skeletal muscle contractions

Question 46

sympathtic nerves

Answer 46

nerves of the ANS that regulate essential involuntary body functions such as increasing the heart rate, constricting blood vessels, and raising blood pressure

Question 47

thrombosis

Answer 47

an abnormal condition in which a clot develops in a blood vessel