Lesson 15 Quiz

Front 1

central nervous system center that exerts the most direct control over the autonomic nervous system

Back 1

brain stem

Front 2

when a person is subjected to a cold environment how does the ANS respond

Back 2

sympathetic system responds by vasoconstriction of blood vessels of the PNS

Front 3

describe the organization of the PNS

Back 3

autonomic system consists of two divisions, sympathetic and parasympathetic

Front 4

characteristic of the sympathetic nervous system

Back 4

causes a dry mouth

Front 5

how does the parasympathetic system affect the eyes

Back 5

contracts the ciliary muscle and constricts the pupil

Front 6

cause of orthostatic hypotension

Back 6

slower response of the sympathetic vasoconstrictors in the elderly

Front 7

why does a person suffering from a heart attack have cold clammy skin

Back 7

sympathetic response has constricted blood vessels

Front 8

characteristic of the parasympathetic nervous system

Back 8

increases digestive activity

Front 9

organs exhibit parasympathetic tone

Back 9

heart, digestive, and urinary organs

Front 10

where do preganglionic fibers of the sympathetic system arise

Back 10

lateral horns from the thoracic region down to the second lumbar region of the spinal cord

Front 11

nerves account for the majority of the preganglionic fibers of the parasympathetic system

Back 11

vagus nerves

Front 12

most likely explanation for hypertension

Back 12

overactive sympathetic vasoconstrictor response

Front 13

which of the following describes the somatic nervous system

Back 13

its target organs are skeletal muscles

Front 14

which of the following is a parasympathetic response

Back 14

secretion of acetylcholine

Front 15

which of the following is characteristic of the autonomic nervous system

Back 15

it has one ganglia in each motor unit located outside the CNS

Front 16

describe the anatomy of the parasympathetic fibers

Back 16

terminal ganglia that are close to the effectors

Front 17

term for a double row of ganglia on either side of the vertebra that allows axons to ascend or descend to a different ganglion in the chain

Back 17

sympathetic chain

Front 18

cerebrum may have influence over what autonomic function

Back 18

awareness through biofeedback training

Front 19

characteristic of most homeostatic imbalances of the autonomic nervous system

Back 19

lack of smooth muscle control

Front 20

parasympathetic control of the heart is served by which nerves

Back 20

vagus and cardiac plexu

Front 21

what is an autonomic nervous system function controlled by the hypothalamus

Back 21

blood pressure

Front 22

what is a cholinergic fiber

Back 22

it has fibers that release acetycholine

Front 23

describe the anatomy of sympathetic fibers

Back 23

have ganglia that are close to the CNS

Front 24

describe nicotinic receptors

Back 24

they are always stimulatory

Front 25

effect of the ANS on lung function

Back 25

parasympathetic system constricts the bronchioles