Unit 7 Flashcards

1
Q

Blind Spot of Eye

A

optic disc

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2
Q

Aqueous humor

A

Liquid filling anterior cavity of eye

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3
Q

Vitreous Humor

A

Liquid filling posterior cavity of eye

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4
Q

The muscles that changes the shape of the lense

A

ciliary body

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5
Q

What nervous system decreases the size of pupil?
Which one increases?

A

decreases: parasympathetic
increases: sympathetic

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6
Q

olfactory epithelium

A

a thin, cellular tissue that runs along the roof of the nasal cavity.

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7
Q

Cranial nerve involved with smelling

A

olfactory nerve (cranial nerve 1)

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8
Q

sensory receptive cells for smell and taste

A

chemoreceptors

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9
Q

Can olfactory receptor cells be regenerated?

A

yes, in 30-60 days

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10
Q

Where is the primary olfactory cortex?

A

Temporal lobe

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11
Q

Where is the gustatory cortex?

A

Insula

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12
Q

Crainal nerves for taste?

A

VII: facial, IX: glossopharyngeal, X: vagus

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13
Q

What structures of the eye ensure that the proper amount of light is projected to
the retina?

A

iris controls how much light enters, lens focus light onto retina

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14
Q

Under what conditions would you use rods for vision instead of cones? When do
you use cones?

A

rods are used for low light, cones are for high light and color

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15
Q

conjunctiva

A

lines surface or eye and eyelid

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16
Q

Under what conditions would you use rods for vision instead of cones? When do
you use cones?

17
Q

What structures of the eye ensure that the proper amount of light is projected to
the retina?

A

iris controls how much light enters, lens focus light onto reti

18
Q

Olfactory nerve I

19
Q

Optic Nerve II

20
Q

Oculomotor Nerve III

A

eye movement

21
Q

Trochlear Nerve IV

A

eye movement

22
Q

Trigeminal Nerve V

A

sensations of face, mastification

23
Q

Abducens Nerve VI

A

eye movement

24
Q

Facial Nerve VII

A

expression, taste, production of saliva

25
Vestibulocochlear Nerve VIII
hearing, balance
26
Glossopharyngeal Nerve IX
taste, saliva, oral cavity
27
Vagus Nerve X
homeostatic control of organs, thoracic & upper abdonminal
28
Spinal Accessory XI
muscles of the neck, cervical spinal nerves
29
Hypoglossal XII
lower throat & tounge
30
Fibrous Tunic
Sclera & cornea
31
Vascular Tunic
iris, ciliary body, choroid, pupil, suspensory ligaments
32
Sensory/Neural tunic (retina)
macula lutea, fovea centralis, optic disc, optic nerve, ganglion cells, bipolar cells, photoreceptors
33
What cell types are found in the retina?
Ganglion cells, bipolar cells, and photoreceptors (cones and rods)
34
Where is the concentration of rods the highest in the retina
Peripheral
35
Where is the concentration of cones the highest in the retina
center
36
What structure of the retina contains only cones?
Fovea centralis