Chapter 25 Terms

Question 1

Agnosia

Answer 1

loss of ability to recognize importance of sensory impression

Question 2

Agraphia

Answer 2

loss of ability to express thoughts in writing

Question 3

Amnesia

Answer 3

loss of memory

Question 4

Analgesia

Answer 4

loss of pain sensation

Question 5

Aphasia

Answer 5

loss of power of expression by speech, writing, or signs, or of comprehension of spoken or written language

Question 6

Apraxia

Answer 6

loss of ability to perform purposeful movements in the absence of sensory or motor damage; for example, inability to use objects correctly

Question 7

Ataxia

Answer 7

inability to perform coordinated movements

Question 8

Clonus

Answer 8

rapidly alternating involuntary contraction and relaxation of a muscle in response to sudden stretch

Question 9

Coma

Answer 9

state of profound unconsciousness from which person cannot be aroused

Question 10

Decerebrate rigidity

Answer 10

arms stiffly extended, adducted, internally rotated; legs stiffly extended, plantar flexed

Question 11

Decorticate rigidity

Answer 11

arms adducted and flexed, wrists and fingers flexed; legs extended, internally rotated, plantar flexed

Question 12

Dysarthria

Answer 12

imperfect articulation of speech due to problems of muscular control resulting from central or peripheral nervous system damage

Question 13

Flaccidity

Answer 13

loss of muscle tone, limpness

Question 14

Graphaesthesia

Answer 14

ability to “read” a number by having it traced on the skin

Question 15

Hemiplegia

Answer 15

loss of motor power (paralysis) on one side of the body usually caused by a cerebrovascular accident; paralysis occurs on the side opposite the lesion

Question 16

Myoclunus

Answer 16

rapid sudden jerk of a muscle

Question 17

Paralysis

Answer 17

decrease or loss of motor function due to a problem with motor nerve or muscle fibres

Question 18

Paraplegia

Answer 18

impairment or loss of motor or sensory function, or both, in the lower half of the body

Question 19

Proprioception

Answer 19

sensory information concerning body movements and position of the body in space

Question 20

Spasticity

Answer 20

continuous resistance to stretching by a muscle due to abnormally increased tension, with increased deep tendon reflexes

Question 21

Tic

Answer 21

repetitive twitching of a muscle group at inappropriate times; for example, wink, grimace

Question 22

Tremor

Answer 22

involuntary contraction of opposing muscle groups resulting in rhythmic movement of one or more joints