Ch 16 Textbook Quiz

Question 1

Info about the temperature of the air around you would be sent to the brain by

Answer 1

exteroceptors

Question 2

loss of ability to smell the baking cake after a few minutes is an example of

Answer 2

rapid adaptation

Question 3

muscle spindles and tendon organs are examples of

Answer 3

proprioceptors

Question 4

the degree of muscle stretch is detected by

Answer 4

muscle spindles

Question 5

somatic pain that arises from stimulation of skin receptors is classified as ___ pain

Answer 5

superficial somatic

Question 6

proprioceptors are located in the

Answer 6

muscles and tendons

Question 7

type II cutaneous mechanoreceptors are located

Answer 7

deep in the dermis and in deeper tissues of the body

Question 8

the organ that has the broadest area of referred pain is the

Answer 8

kidney

Question 9

the type of pain felt from a puncture of a needle is called

Answer 9

fast pain

Question 10

novacaine provides short-term relief of pain by blocking conduction of the nerve impulses at the level of the

Answer 10

axons of the first-order neurons

Question 11

what is the function of the Pacinian corpuscle

Answer 11

pressure

Question 12

what is the function of the root hair plexus

Answer 12

touch

Question 13

sensory nerve fibers in the posterior column decussate at the level of the

Answer 13

medulla oblangata

Question 14

third-order neurons of somatic sensory pathway project

Answer 14

from the thalamus to the cerebral cortex

Question 15

damage to the lateral spinothalamic tract could result in a lack of sensation of

Answer 15

pain and temperature

Question 16

the part of the body represented by the largest area of the somatosensory cortex is the

Answer 16

lips

Question 17

sensations of tickle and itch are conveyed from one side of the body to the opposite side of the cerebral hemisphere along the

Answer 17

anterior spinothalamic tract

Question 18

which tracts carry information about actual performance of muscles of the trunk and lower limbs to the cerebellum

Answer 18

spinocerebellar tracts

Question 19

what is true concerning voluntary motor impulses

Answer 19

they reach their effectors by way of the pyramidal pathways

Question 20

the major control region for initiation of voluntary movements of the body is the

Answer 20

primary motor area

Question 21

the corticobulbar tracts convey nerve impulses that control movements of the

Answer 21

head and neck

Question 22

the final common path to the skeletal muscles from both the pyramidal and extrapyramidal pathways is the

Answer 22

lower motor neurons

Question 23

what part of the brain receives info about planned activity, compares this with actual movements, and supplies corrective signals to other parts of the brain

Answer 23

cerebellum

Question 24

circadian rhythm refers to

Answer 24

a 24 hour cycle of sleep and wakefulness

Question 25

the reinforcement of memory due to the frequent retrieval of a piece of info is called

Answer 25

memory consolidation

Question 26

cerebral palsy is caused by

Answer 26

damage to the motor areas of the brain during fetal life, birth, or infancy

Question 27

alternate contraction and relaxation of muscles of the upper extremities, resulting in an uncontrollable shaking of the hands is a characteristic of

Answer 27

Parkinson disease