quiz 2

Question 1

olfactory, exit/ent. from cerebrum, no autonomic function, sensory function: smell

Answer 1

cranial nerve I

Question 2

optic, ent./exit from thalamus, no autonomic function, sensory function: vision

Answer 2

cranial nerve II

Question 3

oculomotor, ent./exit: midbrain, autonomic function: constricts pupils, motor function: eye movement, down and in

Answer 3

cranial nerve III

Question 4

trochlear, exit: midbrain, no autonomic function, motor function: eye movement up and out

Answer 4

cranial nerve IV

Question 5

trigeminal, ent./exit: midbrain, pons, medulla
no autonomic function, sensory function: from face and head, motor function: chewing

Answer 5

cranial nerve V

Question 6

abducens, exit: pons and medulla, no autonomic function, m motor function: eye movement laterally

Answer 6

cranial nerve VI

Question 7

facial, exit/ent.: medulla, autonomic function: crying, accommodation, salivation
sensory function: taste (anterior 2/3 of tongue)
motor function: face movement

Answer 7

cranial nerve VII

Question 8

auditory-vestibular
ent. medulla
no autonomic function
sensory function: hearing/balance

Answer 8

cranial nerve VIII

Question 9

glossopharyngeal
ent. medulla
autonomic function: salivation
sensory: taste (anterior back 1/3 of tongue)
motor: pharynx/speech

Answer 9

cranial nerve IX

Question 10

vagus
exit/ent.- medulla
autonomic function: heart, viscera, blood vessels
sensory: taste (pharynx and epiglottis)
motor: swallowing, pharynx, speech

Answer 10

cranial nerve X

Question 11

spinal accessory
exit, medulla
no autonomic function
motor: neck, muscles, speech

Answer 11

cranial nerve XI

Question 12

hypoglossal
exit: medulla
no autonomic function
motor function: tongue movement

Answer 12

cranial nerve XII

Question 13

1 pair, end of spinal cord

Answer 13

coccygeal

Question 14

5 pairs, end of spinal cord

Answer 14

sacral

Question 15

5 pairs, positioned in loin (trunk)

Answer 15

lumbar

Question 16

12 pairs, positioned in chest

Answer 16

thoracic

Question 17

8 pairs, positioned in neck

Answer 17

cervical

Question 18

sensory and motor activities
connectors found within CNS
differentiation
distributed to skeletal muscles
adjusts between external environment and the organism

Answer 18

somatic nervous system

Question 19

motor system only
many synapses/ganglia outside of CNS
acts as a whole
distributed to smooth/cardiac muscle
concerned with internal adjustments

Answer 19

autonomic nervous system

Question 20

mobilizes bodily resources, fight or flight, contains preganglionic and postganglionic fibers, sympathetic chain, white ramus, gray ramus

Answer 20

sympathetic nervous system

Question 21

goes from spinal cord (lateral horn) to sympathetic chain, relatively short, secretes acetylcholine

Answer 21

preganglionic fibers from the cross section through a lumbar part of spinal cord

Question 22

goes from sympathetic chain to organ to be innervated, relatively long, secretes norepinephrine

Answer 22

postganglionic fibers from the cross section through a lumbar part of spinal cord

Question 23

composed of 22 sympathetic ganglia

Answer 23

sympathetic chain

Question 24

consists of axons of preganglionic fibers (which are myelinated) from the point where they leave the ventral root to the point where they enter the sympathetic chain

Answer 24

white ramus

Question 25

axons of postganglionic fibers (unmyelinated) from the point where they leave the sympathetic chain to the point where they enter the ventral root

Answer 25

gray ramus

Question 26

places of exit from CNS: brain and sacral region of spinal cord (craniosacral nervous system) functions: conservation and storage of bodily resources, active after eating contains preganglionic and postganglionic fibers,

Answer 26

parasympathetic nervous system

Question 27

goes form brain or spinal cord (lateral horn) to a collateral ganglion, relatively long, secretes acetylcholine

Answer 27

preganglionic fiber from parasympathetic nervous system

Question 28

goes from collateral ganglion to the organ to be innervated, relatively short, secretes acetylcholine

Answer 28

postganglionic fiber from parasympathetic nervous system

Question 29

circulatory: causes heart to beat faster, constricts surface arteries and raises blood pressure, dilates blood vessels to skeletal muscles, speeds clotting

Answer 29

sympathetic NS effects on circulatory system

Question 30

circulatory: causes heart rate to slow inhibits constriction of surface arteries and lowers blood pressure

Answer 30

parasympathetic NS effects on circulatory system

Question 31

respiratory: facilitates breathing by dilating bronchioles

Answer 31

effects of sympathetic NS on respiratory system

Question 32

respiratory: slows breathing by constricting bronchioles

Answer 32

effects of parasympathetic NS on respiratory system

Question 33

digestive: inhibits peristalsis of stomach and small intestine, inhibits gastric secretion, inhibits secretion of saliva

Answer 33

effects of sympathetic NS on digestive system

Question 34

digestive: facilitates peristalsis of stomach and small intestine, facilitates gastric secretion, facilitates secretion of saliva

Answer 34

effects of parasympathetic NS on digestive system

Question 35

urinary genital: inhibits action of bladder (relaxing muscle wall), vasoconstriction in kidney leading to decreased urine, contracts uterus

Answer 35

effects of sympathetic NS on urinary genital

Question 36

urinary genital: facilitates action of bladder (muscle wall contracted), vasodilation in kidney leading to increased urine flow, relaxes uterus

Answer 36

effects of parasympathetic NS on urinary genital

Question 37

eye: dilates pupil

Answer 37

effects of parasympathetic NS on eye

Question 38

eye: constricts pupil

Answer 38

effects of parasympathetic NS on eye

Question 39

adrenal gland: stimulates secretion

Answer 39

effects of sympathetic NS on adrenal gland

Question 40

sweat glands: secretion augmented

Answer 40

effects of sympathetic NS on sweat glands

Question 41

hair: pilomotor respond (goose bumps)

Answer 41

effects of sympathetic NS on hair

Question 42

liver: secretes glucose, changes glycogen into glucose

Answer 42

effects of sympathetic NS on the liver

Question 43

spleen: constricts and gives off red blood cells

Answer 43

effects of sympathetic NS on the spleen

Question 44

contains gray matter, white matter, dorsal fissure, ventral fissure conducts impulses to and from brain, regulates reflexes

Answer 44

spinal cord

Question 45

conductions paths or tracts, divided into 3 types of columns

Answer 45

white matter

Question 46

place where fibers cross from one side of spinal cord to the other side

Answer 46

gray commisure

Question 47

between dorsal horn and dorsal fissure

Answer 47

dorsal columns

Question 48

between dorsal horn and ventral horn

Answer 48

lateral columns

Question 49

between ventral horn and ventral fissure

Answer 49

ventral columns

Question 50

found in lateral area of white matter, short tracts and connect different levels of the spinal cord

Answer 50

ground bundles/ intersegmental tracts

Question 51

first: place it originates, second: places where it terminates ex. spinothalamic tract

Answer 51

inconventional nomenclature

Question 52

the ____ ____ of the spinal nerve receives input from receptor

Answer 52

dorsal root

Question 53

the ____ ____ of the spinal nerve sends output to effectors

Answer 53

ventral root

Question 54

just before entering vertebral column, the spinal nerves. divide into ____ roots

Answer 54

2

Question 55

dorsal root is ____ in function

Answer 55

sensory

Question 56

ventral root is ____ in function

Answer 56

motor

Question 57

___ ___ ___ is a marked swelling on each dorsal root that contains the cell bodies of the sensory fibers (unipolar neurons)

Answer 57

dorsal root ganglion

Question 58

the spinal cord contains the cell bodies of the motor functions, which are also known as

Answer 58

multipolar neurons