Brainscape's Knowledge GenomeTM

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


See full index

Anatomy and Physiology > Chapter 15 Sense Organs > Flashcards

Chapter 15 Sense Organs Flashcards

1
Q

Adaption

A

conditon of many sensory recepetors in which the magnitude of a receptor protential decreases over a period of time in response to a continuous stimulus

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

Chemoreceptor

A

receptor that responds to chemicals, responsible for taste and smell and monitoring concentration of specific chemicals in the blood

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

Cochlea

A

snail, shell like structure in the inner ear that house spiral organ (organ or Corti) which is responisble for sense of hearing

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

Crista ampullaris

A

fold that servves as a sensory receptor, organ located in the ampulla of the semicircular ducts, detects head movements

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

Equilibrium

A

a balance between opposing elements

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

Exteroceptors

A

somatic sensory receptor located in the body surface

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

Gustatory

A

refers to taste

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

Labyrinth

A

bony cavites and membranes of the inner ear

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

Macula

A

strip of sesnory epithelium in the utricle and saccule: provides information related to head position or acceloration

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

Mechanoreceptor

A

receptors that respond to physical movement in the environment: such as sound waves, for example equilibrium and balance sensors in the ear, changes shape

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

Nociceptor

A

receptor activated by intense stimuli of any type that results in tissue damage; pain receptor

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

Olfactory

A

cranial nerve 1, relating to the sense of smell

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

Photoreceptor

A

receptor only in the eye, responds to light stimuli if the intensity if great enough to generate of receptor potential

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

Proprinoceptor

A

receptor located in the muscles, tendons, and joints; allows the body to preceive it position reletive to its surroundings

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

Refraction

A

bending of a ray of light as it passes from a medium of one density to one of a different density;occurs as light passes from the eye

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

Retina

A

innermost layer of the eyeball; contains rods and cones and continues posteriorly with the optic nerve

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

Rhodospin

A

photopigment in rods

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

Thermoreceptor

A

sensory receptor activated by heat or cold/changes is temperature

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

Visceroreceptors

A

somatic sense receptor located in the viseral organs, also called interoreceptor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q 
Which of the following is not a general sense
touch
taste
temperature
pain
A

taste

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

Thermoreceptors are NOT activated by pressure

A

.

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

What structure is disk shaped nerve ending that is responsible for discerning light touch

A

Merkel disks

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

What is not a proprioceptor

A

root hair plexus

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

Proprioceptors

A

function in relation to movements and body position

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

Olfactory epithelium consists of

A

epithelial support cells
basal cells
cilia

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

What is NOT a primary taste sensation

A

spicy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q 
Nerve impulses responsible for the sensation of taste are carried in all of the following cranial nerves except
VII
VIII
IX
X
A

VIII

28
Q 
Which of the following is structure of the inner ear
incus
oval window
cranial nerve VII
vestibule
A

incus

29
Q

the auditory tube connects the

A

middle ear and the nasopharynx

30
Q

The only structure of the inner ear concerned with hearing is the

A

cochlear duct

31
Q

The neuronal pathway of hearing begins at the

A

cochlear nerve

32
Q

The sense organs responsible for the sense of balance is/are located in the

A

vestibule and semicircular canals

33
Q

From superficial to deep the three layers of tissue that compose the eyeball are

A

sclera, choroid, retina

34
Q

The anterior portion of the sclera is called the

A

cornea

35
Q

What are the neurons of the retina, in the order in which they conduct impulses

A

photoreceptor neurons, bipolar neurons, ganglion neurons

36
Q

All of the axons of ganglion neurons extend back to an area of the posterior eye ball called the

A

optic disks

37
Q

Which of the following spaces contains the vitreous body

A

posterior cavity

38
Q

The white of the eye is called the

A

sclera

39
Q

The function of the lacrimal gland is to

A

secrete tears

40
Q

Accommodation of the lens for near visoin necessitates

A

increases curvature of the lens

41
Q

People who acuity is worse that 20/200 after correction are considered to be

A

legally blind

42
Q

An intrisic eye muscle is the

A

iris

43
Q

Where are the specialized mechanoreceptors of hearing and balance located

A

inner ear

44
Q

The organ of Corti is the sense organ of what sense

A

hearing

45
Q

Where are taste sensations inerpreted

A

cerebral cortex

46
Q

An eye physican is an

A

ophthalmologist

47
Q

Which of the following statements about sclera is tru

A

it is the white of the eye

48
Q

What is an encapsulated nerve ending

A

lamellar corpuscles

49
Q

The retina contains microscopic receptor cells called

A

rods and cones

50
Q

Which two involuntary muscles make up the front part of they eye

A

iris and ciliary muscles

51
Q

The external ear consists of the

A

auricle and external acoustic meatus

52
Q

Receptor response

A

responds to stimuli by converting them to nerve impulses

53
Q

Receptor potential

A

develops when an adequate stimulus acts on a receptor, when a threshold is reached an action potential in the sensory neurons axon is triggered

54
Q

Special senses

A

smell, taste, vision, hearing, and equilibrium

55
Q

Classify receptors by

A

location and what stiumlates them

56
Q

Free nerve endings are the

A

majority

57
Q

Root hair plexus

A

web like free nerve endings around hair foliciles

58
Q

Merkel disks

A

discriminative touch

59
Q

Aurcle

A

visible portion of external ear

60
Q

External auditory meatus

A

tube leading from the auricle into the temporal bone and ending at the typanic membrane (ear drum)

61
Q

Middle ear has three parts

A

Malleus (hammer), incus (anvil). stapes (stirrup)

62
Q

Opening into middle ear cavity

A

oval window, round window, opening in the auditory (eustachian) tube

63
Q

Structures of the inner ear

A

bony labyrinth, membranous labyrinth, cochlea, endolymph, perilymph

64
Q

Sclera

A

outter coat of eye, protection, has no blood vessels

65
Q

Choroid

A

middle coat, contains many blood vessels, and large amout of pigment

66
Q

extrinsic eye muscles

A

we control

67
Q

intrinsic eye mucles

A

brain controls

Anatomy and Physiology (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions