Unit 7

Question 1

Blind Spot of Eye

Answer 1

optic disc

Question 2

Aqueous humor

Answer 2

Liquid filling anterior cavity of eye

Question 3

Vitreous Humor

Answer 3

Liquid filling posterior cavity of eye

Question 4

The muscles that changes the shape of the lense

Answer 4

ciliary body

Question 5

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

Answer 5

decreases: parasympathetic
increases: sympathetic

Question 6

olfactory epithelium

Answer 6

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

Question 7

Cranial nerve involved with smelling

Answer 7

olfactory nerve (cranial nerve 1)

Question 8

sensory receptive cells for smell and taste

Answer 8

chemoreceptors

Question 9

Can olfactory receptor cells be regenerated?

Answer 9

yes, in 30-60 days

Question 10

Where is the primary olfactory cortex?

Answer 10

Temporal lobe

Question 11

Where is the gustatory cortex?

Answer 11

Insula

Question 12

Crainal nerves for taste?

Answer 12

VII: facial, IX: glossopharyngeal, X: vagus

Question 13

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

Answer 13

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

Question 14

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

Answer 14

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

Question 15

conjunctiva

Answer 15

lines surface or eye and eyelid

Question 16

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

Question 17

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

Answer 17

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

Question 18

Olfactory nerve I

Answer 18

Smell

Question 19

Optic Nerve II

Answer 19

vision

Question 20

Oculomotor Nerve III

Answer 20

eye movement

Question 21

Trochlear Nerve IV

Answer 21

eye movement

Question 22

Trigeminal Nerve V

Answer 22

sensations of face, mastification

Question 23

Abducens Nerve VI

Answer 23

eye movement

Question 24

Facial Nerve VII

Answer 24

expression, taste, production of saliva

Question 25

Vestibulocochlear Nerve VIII

Answer 25

hearing, balance

Question 26

Glossopharyngeal Nerve IX

Answer 26

taste, saliva, oral cavity

Question 27

Vagus Nerve X

Answer 27

homeostatic control of organs, thoracic & upper abdonminal

Question 28

Spinal Accessory XI

Answer 28

muscles of the neck, cervical spinal nerves

Question 29

Hypoglossal XII

Answer 29

lower throat & tounge

Question 30

Fibrous Tunic

Answer 30

Sclera & cornea

Question 31

Vascular Tunic

Answer 31

iris, ciliary body, choroid, pupil, suspensory ligaments

Question 32

Sensory/Neural tunic (retina)

Answer 32

macula lutea, fovea centralis, optic disc,
optic nerve, ganglion cells, bipolar cells, photoreceptors

Question 33

What cell types are found in the retina?

Answer 33

Ganglion cells, bipolar cells, and photoreceptors (cones and rods)

Question 34

Where is the concentration of rods the highest in the retina

Answer 34

Peripheral

Question 35

Where is the concentration of cones the highest in the retina

Answer 35

center

Question 36

What structure of the retina contains only cones?

Answer 36

Fovea centralis