Exam 3 - Practice Questions

Question 1

How many functional components are in the brainstem?

Answer 1

Seven

Question 2

What branch of the trigeminal nerve carries motor fibers?

Answer 2

Mandibular

Question 3

Olfactory epithelia contain which types of cells?

Answer 3

Bipolar cells

Question 4

Olfactory glomeruli receptor axons synapse where?

Answer 4

Olfactory bulb

Question 5

Olfactory tract contains what type of cells?

Answer 5

Mitral cell axons

Question 6

What functional component are parasympathetic nerves?

Answer 6

GVE

Question 7

What functional component do CN 3, 6, & 12 share?

Answer 7

GSE

Question 8

Shine a light in right eye but left pupil does not respond. Which nerve is damaged?

Answer 8

Left occulomotor nerve

Question 9

Corneal blink reflex involves?

Answer 9

CN5 Trigeminal (afferent)
CN7 Facial (efferent)

Question 10

A lesion to what area will cause a loss of taste?

Answer 10

Nucleus solitaris

Question 11

Fovea contains what type of cells?

Answer 11

Cones

Question 12

Olfactory cells axons are made of what type of cell?

Answer 12

Mitral cell

Question 13

What olfactory striae is contralateral?

Answer 13

Medial

Question 14

Which olfactory striae is involved in conscious perception of smell?

Answer 14

Intermediate olfactory striae

Intermediate striae

Question 15

Most important crossover in the auditory pathway is?

Answer 15

Trapezoid body

Question 16

Scala media contains?

Answer 16

Endolymph

Question 17

What is not part of the auditory pathway?

Answer 17

Inferior olivary nucleus

Question 18

What is the primary auditory cortex?

Answer 18

Transverse temporal gyrus

Question 19

Organ of Corti is where?

Answer 19

Cochlear duct

Question 20

Lateral rectus is innervated by?

Answer 20

Abducens nerve = SO4, LR6

Question 21

When looking to the right you activate?

Answer 21

Right abducens and left occulomotor nerves

Question 22

Which statement is true?

Answer 22

(Look for the longest statement)

Question 23

Pharyngeal and laryngeal muscles are innervated by fibers originating in the?

Answer 23

Nucleus ambiguous

Question 24

Where do olfactory cells cross?

Answer 24

Anterior commisure

Question 25

What innervates muscles of mastication?

Answer 25

Trigeminal

Question 26

Glossopharyngeal nerve

Answer 26

Motor nucleus/Nucleus ambiguus

Question 27

What nerve controls taste in the back of the throat and epiglottis region?

Answer 27

Vagus nerve

Question 28

The scala vestibuli and tympani contain?

Answer 28

Perilymph

Question 29

Which is not a direct target of cell axons?

Answer 29

Visual cortex

Question 30

Which functional component is associated with vestibulocochlear nerve?

Answer 30

SSE

Question 31

What is the function of the nerve fibers of solitary tract?

Answer 31

Serve as afferent limb of reflexes and modulate cardiac and respiratory functions

Question 32

Cerebral peduncles do NOT contain?

Answer 32

Superior colliculus

Question 33

Which nucleus receives afferent fibers from ventral hearing in left ear?

Answer 33

Superior olivary nucleus

Question 34

Which bundles of nerve fibers contain central branches of primary sensory neurons that provide for general sensations from posterior 1/3 of the tongue?

Answer 34

Spinal trigeminal tract

Question 35

72-year-old with history of cardiovascular disease has sudden onset confusion during which her left arm and leg became weak. Weakness was most likely due to damage to which of the following?

Answer 35

Right internal capsule