Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

A&P 1 > study questions ch. 15-16 > Flashcards

study questions ch. 15-16 Flashcards

1
Q

an ear infection following an illness such as a cold has passed from the throat through the auditory tube to the
a. inner ear
b. middle ear
c. external ear
d. tympanic membrane

A

middle ear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

arrange the following structures in the order in which they vibrate when a sound wave enters the ear
1. oval window
2. ossicles
3. eardrum (tympanic membrane)
4. perilymph
5. endolymph
a. 1,2,3,4,5
b. 3,2,1,4,5
c. 3,1,2,5,4
d. 2,3,1,5,4

A

3,2,1,4,5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

determine the correct order of events when light strikes photoreceptors
1. rods & cones
2.
3. pigment
4.

A

3,1,4,2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the function of the lens
a. focuses light on the retina
b. separates the anterior and posterior segment
c. prevents light from scattering
d. contracts/dilates the iris

A

focuses light on the retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

which one of these effectors is NOT directly controlled by the automonic nervous system
a. smooth muscle
b. cardiac muscle
c. parasympathic system
d. skeletal muscle

A

skeletal muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

the effects of the sympathetic nervous system are either antagonist or cooperative to those of the:
a. somatic system
b. fight or flight response
c. parasympathetic nervous system
d. automomic system

A

parasympathetic nervous system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

where are autonomic ganglia located
a. central nervous system (CNS)
b. peripheral nervous system (PNS)
c. spinal nerves
d. none of the above

A

peripheral nervous system (PNS)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

sympathetic division axons leave the spinal cord in the…

A

thoracolumbar region, and the postganglionic fibers secrete norepinephrine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

which of the following innervates target cells or organs of the autonomic nervous system
a. preganglionic neurons
b. postganglionic neurons
c. synapse site
d. spinal cord

A

postganglionic neuron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

which of the following correctly lists the order of the parts through which light passes as it enters the eye
1. aqueous humor
2. vitreous humor
3. cornea
4. lens
a. 1,2,3,4
b. 3,1,4,2
c. 3,2,4,1
d. 4,1,3,2

A

3,1,4,2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

which area of the retina lacks rods and cones and therefore does not detect images
a. pigmented
b. fovea center
c. optic disc
d. tapedum lucidum

A

optic disc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the pigmented portion of the eye that has a rounded opening through which light passes is the
a. cornea
b. pupil
c. iris
d. retina

A

iris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

which branch of autonomic nervous system includes the vagus nerve, which innervates the thoracic and abdominal viscera
a. sympathetic nervous system
b. parasympathetic nervous system
c. somatic system
d. cranial nerves

A

parasympathetic nervous system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

our sense of static equilibrium is created by the

A

movement of otoliths along hair cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

in the dark (absense of a stimulus) the photoreceptors are

A

depolarized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

color vision
a. is a function of cone cells
b. is a function of rod cells
c. retracts light
d. focuses light on the focal point

A

is a function of cone cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

as stereocilia bend, the tip link pulls the ___ ion gate open
a. Na+
b. Ca+
c. K+
d. Cl+

A

K+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

arrang the following in correct sequence
1. autonomic ganglia and ganglionic synapse
2. synapse with target tissues
3. preganglionic neuron
4. postganglionic neuron
a. 1,2,3,4
b. 3,1,4,2
c. 3.1,2,4
d. 4,1,3,2

A

3,1,4,2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

axons exit the sympathetic chain ganglia by all o fthe following expect…

A

cranial nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

which of the following neurons is most likely to be adrenergic

A

postganglionic sympathetic neurons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

when a photoreceptor cell is stimulated by light

A

the photoreceptor hyperpolarizes as sodium ion channels close

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

the sensation of loudness or volume of a sound is detected by

A

greater movement of the basilar membrane resulting in greater deflection of the hair cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

tom is a 45 y/o male that has lost his ability to hear high frequency sounds. the most likely explanation for this would be ____

A

damage to the hair cells near the oval window in the cochlear duct (damage to the inner ear)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

the gel-like substance that reinforces the eyeball and prevents it from collapsing inward is the

A

vitreous humor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

the three sets of color receptors within the retina that are sensitive to wavelengths of visible light are

A

blue green and red

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

what neurotransmitter is released by the axon of sympathetic preganglion neuron to communicate with the sympathetic postganglion neuron

A

acetylcholine

27
Q

to increase sweat production from sweat glans, acetylcholine binds

A

muscarinic receptors

28
Q

hearing receptors within the organ of corti are called

A

hair cells

29
Q

dynamic equilibrium receptors are found in the

A

semicircular canals

30
Q

arrange the bones in order of the pathway of vibrations through the ossicles from the tympanic membrane to the oval window

A

malleus, incus, stapes

31
Q

which of the following is a characteristic of the parasympathetic nervous system

A

decrease heart rate

32
Q

which nervous system dilates the pupils and allows light to enter the eyes

A

sympathetic nervous system

33
Q

pinkeye is an acute inflammation of the

A

conjunctiva

34
Q

which of the following structures is part of the vascular tunic (layer)

A

iris

35
Q

which of the following is NOT a feature of the retina

A

optic chiasm

36
Q

damage to vestibulochochlear nerve would result in some loss of

A

hearing and balance

37
Q

the vibrations received by the tympanic membrane are transferrred to the oval window by the

A

auditory ossicles

38
Q

the axons of the parasympathetic postganglionic neurons are

A

short

39
Q

preganglionic neurons of the sympathetic nervous system originate in the

A

lateral horns of the spinal cord

40
Q

sympathetic stimulation of the postganglionic cells of the adrenal medulla cause the release of

A

epinephrine and norepinephrine

41
Q

which effector has no innervation with the parasympathetic nerves

A

blood vessels

42
Q

what part of the brain is in overall control of the autonomic nervous system (ANS)

A

hypothalamus

43
Q

the somatic and autonomic nervous system differ in all the following except
a. their effectors
b. their efferent pathways
c. to some degree in target responses to their neurotransmitters
d. they have no neurotransmitters in common

A

their efferent pathways

44
Q

a drug that might be used to specifically to reduce heart rate in cardiac patients could be
a. anticholinesterase
b. epinephrine
c. norepinephrine
d. a beta blocker

A

beta blocker

45
Q

the parasympathetic gangliion that serves the eye is the
a. ciliary ganglion
b. pierygopalatine ganglion
c. submandibular ganglion
d. otic ganglion

A

ciliary ganglion

46
Q

the cardiovascular effects of the sympathetic division include all except
a. constriction of the blood vessels
b. dilation of the vessels serving the skeletal muscles
c. increase of heart rate and force
d. dilation of the blood vessels serving the skin and digestive viscera

A

dilation of the blood vessels serving the skin and digestive viscera

47
Q

over 90% of all parasympathetic fibers are derived from cranial nerve number
a. 5
b. 7
c.10
d. 12

A

10 vagus nerve

48
Q

the resting and digesting division of the autonomic nervous system is the
a. parasympathetic division
b. sympathetic division
c. somatic division
d. peripheral nervous system

A

parasympathetic division (RESTING)

49
Q

control of temperature, endocrine activity, and thirt are functions associated with the
a. medulla
b. cerebellum
c. hypothalamus
d. thalamus

A

hypothalamus

50
Q

which of these effectors is not directly controlled by the autonomic nervous system
a. smooth muscle
b. cardiac muscle
c. skeletal muscles
d. most glands

A

skeletal muscle

51
Q

which of the following is a result of parasympathetic stimulation
a. salavation
b. dilation of pupils
c. increased peristalsis
d. elimination of urine

A

dilation of pupils

52
Q

which of the following does NOT describe the ANS
a. a system of motor neurons that innervates smooth and cardiac muscles and glands
b. a system of motor neurons that innervates all muscle cells
c. involuntary nervous system
d. general visceral motor system

A

a system of motor neurons that innervates all muscle cells

53
Q

preparing the body for the fight or flight response is the role of the
a. sympathetic nervous system
b. cerebrum
c. parasympathetic nervouse system
d. somatic nervous system

A

sympathetic nervous system

54
Q

sympathetic responses generally widespread because
a. inactivation of ACH is fairly slow
b. NE and epinephrine are secreted into the blood
c. preganglionic fibers are short
d. preganglionic fibers are long

A

NE and epinephrine are secreted into the blood

55
Q

autonomic ganglia contain
a. an outer connective tissue capsule around the cell bodies of preganglionic motor neurons
b. synapses between postganglionic fibers and their effectors
c. the cell bodies of the motor neurons
d. both somatic and afferent and efferent neurons

A

the cell bodies of the motor neurons

56
Q

the parasympathetic fibers of the ______ nerves innervate smooth muscles of the eye that cause the lenses to bulge to accommodate close vision
a. optic
b. oculomotor
c. trochlear
d. abducens

A

oculomotor

57
Q

fibers that enter and leave the sympathetic chain without synapsing from structures
a. white rami communicates
b. gray rami communicates
c. spinal nerves
d. splanchnic nerves

A

splanchnic nerves

58
Q

which of the following is not a plexus of the vagus nerve
a. cardiac
b. pulmonary
c. sacral
d. esophages

A

sacral

59
Q

once a sympathetic preganglionic axon reaches a trunk ganglion it can do all but which one
a. synapse with a parasympathetic neuron in the same trunk ganglion
b. synapse with a ganglionic neuron in the same trunk ganglion
c. ascend or descend the trunk to synapse in another trunk ganglion
d. pass through the trunk ganglion without synapsing with another neuron

A

a. synapse with a parasympathetic neuron in the same trunk ganglion

60
Q

the white rami communicates
a. are found only in the c1 -t1 cord segments
b. are unmyelinated
c. carry preganglionic axons to the sympathetic chain
d. carry postganglionic fibers to the periphery

A

c. carry preganglionic axons to the sympathetic chain

61
Q

which is a uniquely sympathetic function
a. regulation of pupil size
b. regulation of cardiac rate
c. regulation o respiratory rise
d. regulation of body temperature

A

d. regulation of body temperature

62
Q

which sympathetic fibers are from the splenic nerve
a. those ethat synapse with parasympathetic fibers
b. those that synapse in the same trunk ganglion they entered
c. those that synapse with somatic fibers
d. those that pass through the trunk ganglion to synapse in collateral or prevertebral ganglion

A

d. those that PASS through the trunk ganglion to synapse in collateral or prevertebral ganglion

63
Q
A

A&P 1 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions