Final Exam Flashcards

(47 cards)

1
Q

The central sulcus separates which lobes of the brain

A

frontal and parietal

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2
Q

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

A

subdural

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3
Q

What is the function of the arachnoid granulation

A

absorption of cerebrospinal fluid

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4
Q

what is the function of the ventricular system of the brain

A

production and transport of the cerebrospinal fluid

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5
Q

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

A

Corpus Callosum

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6
Q

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

A

thrombotic

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7
Q

what is the dominant muscle in the cheek

A

buccinator

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8
Q

what is the function of the risorius muscle

A

smiling and mastication

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9
Q

Intrinsic muscles of the tongue are innervated by which cranial nerve

A

XII hypoglossal

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10
Q

Which muscle helps in protruding your tongue

A

genioglossus

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11
Q

which muscle depresses your mandible

A

Digastric

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12
Q

Which muscle shortens the velum

A

Musculus Uvulae

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13
Q

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

A

malleus ( at the umbo)

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14
Q

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

A

stiffens ossicular chain to reduce vibration

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15
Q

what is the most important sensory structures for hearing

A

Organ of Corti

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16
Q

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

A

true

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17
Q

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

A

sensorineural hearing loss

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18
Q

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.

A

Conductive hearing loss

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19
Q

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

A

to protect your ear canal from dust and insects

20
Q

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

A

production of dopamine

21
Q

what structure is part of the basal ganglia

A

caudate nucleus

22
Q

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

23
Q

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

A

Schwann cells

24
Q

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

A

CN V : trigeminal nerve

25
t/f the pyramidal decussation creates the ipsilateral innervation of the body
false
26
which muscle allows you to protrude the lips and keep the oral cavity sealed
orbicularis oris
27
Name one muscle that elevates the upper lip
Levator Labii Superior
28
Name one facial muscle involved in pouting
Zygomatic Minor
29
Name one facial muscle involved in smiling
Buccinator
30
Name one facial muscle involved flaring the nostrils
Levator Labii Superior Nasi
31
The protrusion of the tongue is brought out by
genioglossus
32
CN V innervates all of the following except one: lateral pterygoid, temporalis, digastricus, and geniohyoid
geniohyoid
33
which muscle tenses the anterior portion of the soft palate
tensor veli palatini
34
The pharyngeal phase is a/an volitional phase or automatic phase of the swallow
automatic phase
35
t/f the pharyngeal phase triggers when the bolus moves past the faucial pillars
true
36
In which stage of swallowing does respiration cease momentarily
pharyngeal phase
37
name one function of the pinna
localize sound
38
name one muscle that assists in the pharyngeal phase of the swallow
cricopharyngeus
39
The bolus enters the stomach via the
lower esophageal sphincter
40
Gray matter differs from white matter because grey matter __ and white mater __
contains neuronal cell bodies, contains myelinated axons
41
Which of the following is the correct sequence of the layers of meningeal membranes beginning with the brain and going to the skull
pia mater, arachnoid mater, dura mater
42
name one demyelinating disease
multiple sclerosis (ms)
43
the nervous system is divided into
CNS and PNS
44
The deep groove that separates the right and left cerebral hemispheres is called the
longitudinal fissure
45
What are the three main parts of basal ganglia
Caudate nucleus, putamen, globus pallidus
46
t/f the pons is the point of decussation for spinal nerves
false
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
Wernicke's Area in the temporal lobe