Special Senses Flashcards

1
Q

What are the 5 special senses?

A
  • smell
  • taste
  • hearing
  • vision
  • balance
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What makes the 5 senses special?

A

Only the cranial nerves can carry them

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

What is another word for taste?

A

Gustation

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

What type of receptor is taste?

A

chemoreceptor

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

What is the name of the taste receptor?

A

Gustatory epithelial cells

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

What is the location of the taste receptors?

A

Taste buds

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

What cranial nerves carry the taste receptor? (2)

A
  • Facial (VII)
  • Glossopharyngeal (IX)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What brain region is the taste sense located in?

A

Insula region

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

What is another name for smell?

A

Olfaction

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

What type of receptor is smell?

A

Chemoreceptor

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

What is the name of the receptor for smell?

A

Olfactory sensory neuron

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

What is the location of the smell receptor?

A

Mucosa of nasal cavity

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

What cranial nerve carries the smell sense?

A

Olfactory (I)

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

What brain region is the smell sense located in?

A

Cerebrum

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

What type of receptor is hearing?

A

mechanoreceptor

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

What is the name of the receptor for hearing?

A

Spiral organ/organ of corti

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

Where is the hearing receptor located?

A

cochlear duct

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

What cranial nerve carries the hearing receptor?

A

Vestibulocochlear (VIII)

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

What brain region is the hearing receptor located in?

A

Auditory cortex

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

What is another word for balance?

A

Vestibular Apparatus

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

What type of receptor is the balance sense?

A

mechanoreceptor

22
Q

What is the name of the balance receptor?

A

Hair cells

23
Q

What are the 3 location of the balance recepor?

A

Linear Vertical –> Saccule

Linear Horizontal –> Utricle

Rotation –> Semicircular duct

24
Q

What cranial nerve carries the balance receptor?

A

Vestibulocochlear (VIII)

25
Q

What brain region is the balance receptor located in?

A

Brain stem

26
Q

What type of receptor is the vision sense?

A

Photoreceptor

27
Q

What is the name of the vision sense receptors (2)

A
  • Rods (see black and white)
  • Cones (see color)
28
Q

What is the location of the vision receptors?

A

Retina

29
Q

What cranial nerve carries the vision receptor?

A

Optic (II)

30
Q

What brain region is the vision located in?

A

Visual cortex of occipital

31
Q

What are the 3 structures of receptors?

A
  • Receptors
  • Sensory neurons
  • Pathway to CNS
32
Q

What are receptors?

A

Structures that detect stimuli

33
Q

What were the 3 highlighted types of receptors?

A
  • photoreceptors: detects light
  • chemoreceptors: detects chemicals
  • mechanoreceptors: detects mechanical movement
34
Q

What is a general sense?

A

Touch sense of the skin

35
Q

Which body parts have the highest touch receptor density? (2)

A
  • lips
  • finger tips
36
Q

What are the 5 basic qualities of taste?

A
  1. sweet
  2. sour
  3. salty
  4. bitter
  5. umami -> elicited by glutamate
37
Q

What does parasympathetic and sympathetic do in terms of the pupil?

A

parasympathetic: constricts pupil

sympathetic: dilates pupil

38
Q

What is the fluid in front of the lens?

A

aqueous humor/anterior segment

39
Q

What is the fluid in the back of the lens?

A

vitreous humor/posterior segment

40
Q

What is another name of the internal ear?

A

Labyrinth

41
Q

What does the bony labyrinth consist of? (3)

A
  • Cochlea
  • vestibule
  • semicircular canals
42
Q

What does the membranous labyrinth consist of? (4)

A
  • cochlear duct
  • utricle and saccule
  • semicircular ducts
43
Q

What fluid is in the membranous labyrinth?

A

Endolymph that is rich in potassium

44
Q

What fluid is in the bony labyrinth?

A

Perilymph

45
Q

What is the cochlea?

A

Spiraling chamber in the bony labyrinth

46
Q

What is the central part of the bony labyrinth?

A

vestibule

47
Q

What is the cochlear duct?

A

Membranous labyrinth inside the cochlea that contains mechanoreceptors for hearing called spiral organ/organ of corti

48
Q

What are the role of the cochlea in hearing? (5)

A
  1. Sound waves vibrate tympanic membrane
  2. Auditory ossicles vibrate. Pressure is amplified.
  3. Pressure waves created by the stapes leave the oval window and enters the scala vestibuli
    4a. Low sounds traveling thru the helicot rema doesn’t excite hair cells
    4b. Loud sounds in the hearing range go thru the cochlear duct. Virates basilar membrane and deflects on inner hair cells.
49
Q

What are the 3 layers of the eye?

A
  1. fibrous layer
  2. Vascular layer
  3. Neural/retina layer
50
Q

What 2 things are apart of the fibrous layer?

A
  1. sclera: white opaque region of eye
  2. cornea: front of the eye
51
Q

What 4 things make up the vascular layer?

A
  1. iris: visible colored part of eye
  2. pupil: round, central opening
  3. ciliary body: composed of ciliary muscle
  4. choroid: vascular, darkly pigmented membrane
52
Q

What 4 things are composed of the neural/retina layer?

A
  1. pigmented layer: single layer of melanocytes
  2. photoreceptor cells: rods and cones
  3. bipolar cells: processes signals from photoreceptors to ganglion
  4. ganglion cells: axons of ganglion cells go to optic nerve