Final Exam

Question 1

The central sulcus separates which lobes of the brain

Answer 1

frontal and parietal

Question 2

which space between the dura mater and arachnoid mater contains lubricating fluid to prevent adhesion

Answer 2

subdural

Question 3

What is the function of the arachnoid granulation

Answer 3

absorption of cerebrospinal fluid

Question 4

what is the function of the ventricular system of the brain

Answer 4

production and transport of the cerebrospinal fluid

Question 5

which commissural fiber tract connects the left and right hemisphere, facilitating communication between the two sides

Answer 5

Corpus Callosum

Question 6

which type of stroke is typically associated with a blood clot or plaque formation blocking a blood vessel in the brain

Answer 6

thrombotic

Question 7

what is the dominant muscle in the cheek

Answer 7

buccinator

Question 8

what is the function of the risorius muscle

Answer 8

smiling and mastication

Question 9

Intrinsic muscles of the tongue are innervated by which cranial nerve

Answer 9

XII hypoglossal

Question 10

Which muscle helps in protruding your tongue

Answer 10

genioglossus

Question 11

which muscle depresses your mandible

Answer 11

Digastric

Question 12

Which muscle shortens the velum

Answer 12

Musculus Uvulae

Question 13

Out of the three ossicles which is connected to the tympanic membrane

Answer 13

malleus ( at the umbo)

Question 14

What is the primary role of the stapedius muscle in the middle ear

Answer 14

stiffens ossicular chain to reduce vibration

Question 15

what is the most important sensory structures for hearing

Answer 15

Organ of Corti

Question 16

t/f cochlea the high frequency sounds are located at the base

Answer 16

true

Question 17

Maria is struggling with her hearing for several years. Her medical history includes exposure to loud sounds as a musician. What type of hearing loss is she experiencing

Answer 17

sensorineural hearing loss

Question 18

Jon reports that sounds are muffled and not as loud as they used to be. He has a history of earwax buildup. what type of hearing loss is he experiencing.

Answer 18

Conductive hearing loss

Question 19

What is the primary function of the cerumen in your ear canal

Answer 19

to protect your ear canal from dust and insects

Question 20

What is the primary function to the substantial nigra in the brain

Answer 20

production of dopamine

Question 21

what structure is part of the basal ganglia

Answer 21

caudate nucleus

Question 22

which neurons are responsible for communicating with other neurons and facilitating communication within the CNS

Answer 22

interneurons

Question 23

Which type of cells in the nervous system is known for building myelin in the peripheral nervous system

Answer 23

Schwann cells

Question 24

Which cranial nerve is responsible for the sensation of the face, including touch, pain and temperature

Answer 24

CN V : trigeminal nerve

Question 25

t/f the pyramidal decussation creates the ipsilateral innervation of the body

Answer 25

false

Question 26

which muscle allows you to protrude the lips and keep the oral cavity sealed

Answer 26

orbicularis oris

Question 27

Name one muscle that elevates the upper lip

Answer 27

Levator Labii Superior

Question 28

Name one facial muscle involved in pouting

Answer 28

Zygomatic Minor

Question 29

Name one facial muscle involved in smiling

Answer 29

Buccinator

Question 30

Name one facial muscle involved flaring the nostrils

Answer 30

Levator Labii Superior Nasi

Question 31

The protrusion of the tongue is brought out by

Answer 31

genioglossus

Question 32

CN V innervates all of the following except one: lateral pterygoid, temporalis, digastricus, and geniohyoid

Answer 32

geniohyoid

Question 33

which muscle tenses the anterior portion of the soft palate

Answer 33

tensor veli palatini

Question 34

The pharyngeal phase is a/an volitional phase or automatic phase of the swallow

Answer 34

automatic phase

Question 35

t/f the pharyngeal phase triggers when the bolus moves past the faucial pillars

Answer 35

true

Question 36

In which stage of swallowing does respiration cease momentarily

Answer 36

pharyngeal phase

Question 37

name one function of the pinna

Answer 37

localize sound

Question 38

name one muscle that assists in the pharyngeal phase of the swallow

Answer 38

cricopharyngeus

Question 39

The bolus enters the stomach via the

Answer 39

lower esophageal sphincter

Question 40

Gray matter differs from white matter because grey matter __ and white mater __

Answer 40

contains neuronal cell bodies, contains myelinated axons

Question 41

Which of the following is the correct sequence of the layers of meningeal membranes beginning with the brain and going to the skull

Answer 41

pia mater, arachnoid mater, dura mater

Question 42

name one demyelinating disease

Answer 42

multiple sclerosis (ms)

Question 43

the nervous system is divided into

Answer 43

CNS and PNS

Question 44

The deep groove that separates the right and left cerebral hemispheres is called the

Answer 44

longitudinal fissure

Question 45

What are the three main parts of basal ganglia

Answer 45

Caudate nucleus, putamen, globus pallidus

Question 46

t/f the pons is the point of decussation for spinal nerves

Answer 46

false

Question 47

A 42 year old man is brought to the emergency department by concerned relatives. On examination, the patient is unable to understand the meaning of spoken words; which region of the brain is being affect

Answer 47

Wernicke’s Area in the temporal lobe