Lecture: Final Review Q's 3

Question 1

fovea of retina contains primarily which type of photoreceptor?

Answer 1

-cone

Question 2

following statements concerning optic nerve are correct except?

Answer 2

-at optic chiasm favorites from lateral temporal half of each retina cross into optic tract on contralateral side

Question 3

which is not direct target of ganglia cell axons?

Answer 3

-visual cortex

Question 4

photoreceptors that are activated by dim light?

Answer 4

-rods

Question 5

hypoglossal nucleus is?

Answer 5

-motor

Question 6

damage to spinal division of accessory nerve would result in?

Answer 6

-inability to turn head and shrug shoulders

Question 7

normally when eyes look at something on left side what is activated?

Answer 7

-right oculomotor and left abducens nerve

Question 8

which functional component is associated with vestibulocochlear nerve?

Answer 8

-SSA

Question 9

nerve fibers of solitary tract?

Answer 9

-serve as afferent limb of reflexes and modulate cardiac and respiratory fxns

Question 10

which is involved in pupillary light reflex?

Answer 10

-pretectal area edinger-westphal, superior and inferior colliculus

Question 11

identify ascending pathway for conscious awareness of pain originating from eyebrow?

Answer 11

-opthalmic nerve, trigeminal ganglion, spinal trigeminal, nucleus

Question 12

what is not part of auditory pathway?

Answer 12

-superior colliculus

Question 13

ascending fibers in medial forebrain bundle end in what?

Answer 13

-oculomotor nucleus

Question 14

what is major decussation of auditory pathway?

Answer 14

-trapezoid body

Question 15

low frequency sound waves travel farther in cochlea than high frequency sound waves. T/F?

Answer 15

-true

Question 16

venous drainage from deep structures is from?

Answer 16

-cavernous sinus

Question 17

ballismus is result of lesion in?

Answer 17

-substantia nigra

Question 18

what helps fish swim upright?

Answer 18

-motor cortex

Question 19

what is responsible for coordination of movement?

Answer 19

-pontocerebellum or neocerebellum

Question 20

which nucleus modulates input and output of thalamus?

Answer 20

-reticular nucleus

Question 21

central nervous system is derived from?

Answer 21

-neural tube

Question 22

in cortex, motor fxn is found in which lobe?

Answer 22

-frontal

Question 23

what is name of lump on ventral surface of medulla that contains fibers of cotricospinal tract?

Answer 23

-pyramid

Question 24

which of following is source of axons that end in all parts of cortex of left cerebellar hemisphere?

Answer 24

-right inferior olivary nucleus

Question 25

at which level of brainstem is oculomotor nucleus?

Answer 25

-level of superior colliculus

Question 26

which structure is nearest to midline in upper medulla?

Answer 26

-pyramidal tract

Question 27

which nucleus is present at same level of neuraxis as inferior colliculus?

Answer 27

-trochlear nucleus

Question 28

most rostral part of roof of fourth ventricle is formed by?

Answer 28

-superior medullary velum

Question 29

which of following is NOT found in lateral part of open portion of medulla?

Answer 29

-medial lemniscus

Question 30

cerebral peduncle does NOT contain?

Answer 30

-superior colliculus