Senses Flashcards

1
Q

Receptors that respond to pain are called

A

nociceptors

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2
Q

Taste, smell, and pain are all examples of

A

chemical senses

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3
Q

Receptors that respond to temperature are called

A

thermoreceptors

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4
Q

Receptors that respond to molecules are called

A

chemoreceptors

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5
Q

Which of the following would be an example of a submodality when taken in by the body?

A

vibration

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6
Q

Pressure, vibration, muscle stretch, hair movement, hearing, and balance are all examples of

A

mechanical senses

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7
Q

Receptors that respond to physical changes are called

A

mechanoreceptors

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8
Q

The raised structures on the tongue that contain the taste buds are called

A

papillae

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9
Q

Our perception of foods as salty is triggered by

A

Sodium ions (Na+)

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10
Q

Our perception of foods as sour is triggered by

A

H+ ions (acidity)

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11
Q

Our perception of foods as sweet is triggered by

A

glucose or other monosaccharides

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12
Q

Our perception of foods as savory (umami) is triggered by

A

L-Glutamate

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13
Q

Toxic alkaloids are bitter and can trigger the gag reflex via the ___________ nerve.

A

vagus

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14
Q

The sense of smell is taken in through the

A

olfactory epithelium

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15
Q

The auditory portion of the bony labyrinth is called the

A

cochlea

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16
Q

The receptor cells for receiving auditory information in the inner ear are called

A

hair cells

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17
Q

Which of the following is not one of the auditory ossicles of the middle ear?

A

cochlea

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18
Q

Air pressure is equilibrated across the tympanic membrane of the ear by the

A

Eustachian tube

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19
Q

The visible external part of the ear is called the

A

auricle

20
Q

Which of the following best describes the behavior of the cochlea?

A

Each area of the cochlea only responds to certain frequencies

21
Q

The receptor cells for equilibrium in the inner ear are called

A

hair cells

22
Q

The vestibular system of the inner ear can sense motion in three-dimensional space through the relative movements of

A

ampullae

23
Q

The cranial nerve that sends signals of balance from the inner ear to the brain is the

A

vestibulocochlear nerve

24
Q

The _____________ slides over the stereocilia in the utricle and saccule to trigger signals for head positioning.

A

otolithic membrane

25
Q

The semicircular canals in the inner ear sense

A

head movement

26
Q

The utricle and saccule in the inner ear sense

A

head position

27
Q

Somatosensory receptors can be found in all of the following EXCEPT

A

eyes

28
Q

Tendon stretching is detected by

A

Golgi tendon organ

29
Q

Stretching of the skin and joints is detected by

A

Ruffini’s corpusles

30
Q

Light touch is detected by

A

Meissner’s corpuscles

31
Q

Somatosensation includes all of the following submodalities EXCEPT

A

smell

32
Q

Deep pressure and high frequency vibrations are detected by

A

Pacinian corpuscles

33
Q

Muscle stretch and contraction is sensed via

A

muscle spindles

34
Q

The opening in the center of the iris of the eye, through which light enters, is called the:

A

pupil

35
Q

The innermost layer in the back of the eye where photoreceptors receive visual stimuli and send the signals through the optic nerve to be processed by the brain is called

A

retina

36
Q

All of the following structures protect the eye EXCEPT

A

ciliary body

37
Q

The highly vascular connective tissue that provides the blood supply to the eye is called the

A

choroid

38
Q

The white of the eye is called the

A

sclera

39
Q

The clear protective coating over the pupil of the eye is called the

A

cornea

40
Q

The muscular structure that bends the lens to focus light on the retina is called the

A

ciliary body

41
Q

Which of the following extraocular muscles is not correctly paired with its direction of movement of the eye?

A

superior oblique - up

42
Q

After light hits the photoreceptors, the signal is next sent to the

A

bipolar cells

43
Q

Color vision is taken in by the

A

cones

44
Q

The part of the retina with only cones that provides the highest visual acuity is called the

A

fovea

45
Q

The spot where the optic nerve exits the eye is called the

A

blind spot

46
Q

The cells that send the signal through the optic disc to the optic nerve are called the

A

retinal ganglion cells

47
Q

The cells that process light information before allowing the RGCs to pass it onto the brain are called

A

amacrine cells