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TEAS7 > A&P: General and Special Senses > Flashcards

A&P: General and Special Senses Flashcards

1
Q

List the 6 general senses

A

Touch
Pressure
Pain
Temperature
Vibration
Propriocepation (body position)

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2
Q

What are the free nerve endings for pain?

A

nociceptors

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3
Q

What are the free nerve endings for temperature?

A

thermoreceptors

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4
Q

What receprtors are sensitive to stimuli that disort their cell membranes and sense disotrtion on body tissue?

A

mechanoreceptors

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5
Q

Which type of mechanoreceptors sense touch?

A

tactile receptors

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6
Q

Which type of mechanoreceptors receptors sense pressure?

A

Baroreceptors

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7
Q

Which type of mechanoreceptors receptors sense position of joints, tension in tendons and ligaments, and state of muscular contraction?

A

Proprioceptors

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8
Q

Which type of receptors sense chemicals?

A

chemoreceptors

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9
Q

Which type of receptors sense light?

A

photoreceptors

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10
Q

List the 5 special senses

A

olfaction (smell)
gustation (taste)
vision
equilibrium (balance)
hearing

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11
Q

Where are the olfactory organs located?

A

in nasal cavity on either side of nasal septum

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12
Q

What do olfactor glands secrete and why?

A

mucus for particles to dissolve in so that receptors can detect smell

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13
Q

Where are gustatory receptors located?

A

distrubuted over the surface of the tongue and adjacent portions of pharynx and larynx

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14
Q

Taste buds are taste receptors and _______ _________ cells located on surface of tongue

A

specialized epithelial cells

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15
Q

What is the function of the lacrimal glands?

A

produce tears

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16
Q

Tears contain ________. What is its purpose?

A

lysozyme
purpose: destory bacteria

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17
Q

What structure is a delicate membrane that lines the eyelids?

A

conjunctiva

18
Q

What is the white of the eye where eye muscles insert?

A

sclera

19
Q

What is the transparent outer covering of the eye

A

cornea

20
Q

Why does the cornea have a hard time repairing itself?

A

bc it lacks BV

21
Q

What is a ring of muscle tissue that forms the colored portion of the eye AND controls the size of the pupil opening

A

iris

22
Q

What is the opening in the center of the iris which lets light into the interior of the eye

A

pupil

23
Q

What is a transparent structure behind the pupil that changes shape to help focus images on the retina

A

lens

24
Q

What is the gelatinous substance that fills the posterior cavity and helps maintain the shape of the eye

A

vitreous body

25
Q

What is the light sensitive inner surface of the eye that contains receptor rods and comes plus layers of neurons that begin processing visual information

A

retina

26
Q

What is the nerve that carries neural impulses from the eye to the brain

A

optic nerve

27
Q

What are the 3 main parts to the ear

A
  • outer ear
  • middle ear
  • inner ear
28
Q

What structures consists of the outer ear and what do they fxn in? What gland is found here and what is its function?

A
  • Eaxternal ear, ear canal, tympanic membrnae = collect sound
  • Ceruminous glands make ear wax
29
Q

What is the strucutre that separates the outer ear from the middle ear and vibrates in reponse to sound waves

A

tympanic membrane

30
Q

What bones make up the middle ear/ossicle?

A

mallues
incus
stapes

31
Q

The middle ear is filled with ______. The stapes connects to the ____ _______. The ______/_____ tube connects to the pharynx

A

air
oval window
auditory/eustachian tube

32
Q

What section of the ear is a fluid filled chamber with receptors for hearing and equilibrium

A

inner ear

33
Q

What is defined as three canals within the innear ear that contain specialized receptor cells that generate nerve impulses with body movment

A

semicircular canals

34
Q

What 3 main structures make up the inner ear

A

vestibule
semicircular canals
cochlea

35
Q

What is a coiled, bony, fluid filled tube in the inner ear which sound waves trigger nerve impulses. It contains receptors for hearing.

A

cochlea

36
Q

What acts as a channel between the middle ear and nasopharynx

A

auditory/eustachian tube

37
Q

What is the membrane that covers the opening between the middle and inner ear

A

oval window

38
Q

Be able to label important structures of the eye. Refer to notes

A

check answer on General and Special Senses notes

39
Q

Be able to label important structures of the ear. Refer to notes

A

check answer on General and Special Senses notes

40
Q

How does the vestibule and semicircular canals differentiate (Hint: What do they sense?)

A

Vestibule - senses gravity and linear acceleration
Semicircular canals - senses rotational movements

TEAS7 (48 decks)

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