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Cranial Nerves Flashcards

(90 cards)

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1
Q

How many cranial nerves are there?

A

There are 12 cranial nerves.

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2
Q

What is the primary function of the olfactory nerve?

A

The olfactory nerve is responsible for the sense of smell.

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3
Q

Which cranial nerve is responsible for vision?

A

The optic nerve (CN II) is responsible for vision.

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4
Q

True or False: The oculomotor nerve controls eye movement.

A

True.

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5
Q

Fill in the blank: The trigeminal nerve is also known as CN ____.

A

V.

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6
Q

What is the function of the facial nerve?

A

The facial nerve controls the muscles of facial expression and conveys taste sensations from the anterior two-thirds of the tongue.

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7
Q

Which cranial nerve is involved in hearing and balance?

A

The vestibulocochlear nerve (CN VIII) is involved in hearing and balance.

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8
Q

What cranial nerve is responsible for the sensation of taste from the posterior one-third of the tongue?

A

The glossopharyngeal nerve (CN IX) is responsible for this function.

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9
Q

True or False: The vagus nerve is the longest cranial nerve.

A

True.

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10
Q

What is the primary function of the accessory nerve?

A

The accessory nerve controls the sternocleidomastoid and trapezius muscles, aiding in shoulder movement and head rotation.

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11
Q

Fill in the blank: The hypoglossal nerve is also known as CN ____.

A

XII.

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12
Q

Which cranial nerve is primarily responsible for the sensation of touch, pain, and temperature in the face?

A

The trigeminal nerve (CN V) is primarily responsible for these sensations.

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13
Q

What type of nerve is the optic nerve classified as?

A

The optic nerve is classified as a sensory nerve.

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14
Q

Name the cranial nerve that innervates the muscles of mastication.

A

The trigeminal nerve (CN V) innervates the muscles of mastication.

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15
Q

True or False: The facial nerve has both motor and sensory functions.

A

True.

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16
Q

What is the main function of the vagus nerve?

A

The vagus nerve regulates the heart, lungs, and digestive tract.

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17
Q

Fill in the blank: The trochlear nerve is also known as CN ____.

A

IV.

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18
Q

Which cranial nerve is responsible for controlling the lateral rectus muscle of the eye?

A

The abducens nerve (CN VI) is responsible for this function.

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19
Q

What is the role of the glossopharyngeal nerve?

A

The glossopharyngeal nerve is involved in taste, swallowing, and salivation.

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20
Q

True or False: The olfactory nerve is the only cranial nerve that does not enter the brainstem.

A

True.

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21
Q

What cranial nerve is responsible for controlling the muscles of the tongue?

A

The hypoglossal nerve (CN XII) is responsible for this function.

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22
Q

Fill in the blank: The trigeminal nerve has three major branches: ophthalmic, maxillary, and ____.

A

mandibular.

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23
Q

Which cranial nerve is known as CN VII?

A

The facial nerve is known as CN VII.

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24
Q

What is the main function of the oculomotor nerve?

A

The oculomotor nerve controls most of the eye’s movements, the constriction of the pupil, and maintains an open eyelid.

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25
True or False: The vestibulocochlear nerve is responsible for balance and hearing.
True.
26
What cranial nerve is known for its role in the gag reflex?
The glossopharyngeal nerve (CN IX) plays a role in the gag reflex.
27
Fill in the blank: The accessory nerve is also known as CN ____.
XI.
28
Which cranial nerve is responsible for the sensation of taste from the anterior two-thirds of the tongue?
The facial nerve (CN VII) is responsible for this function.
29
What is the function of the trigeminal nerve?
The trigeminal nerve is responsible for sensation in the face and motor functions such as biting and chewing.
30
True or False: The cranial nerves are part of the central nervous system.
False; they are part of the peripheral nervous system.
31
What is the primary function of the trochlear nerve?
The trochlear nerve controls the superior oblique muscle of the eye.
32
Fill in the blank: The optic nerve carries visual information from the ____ to the brain.
retina.
33
Which cranial nerve is responsible for regulating heart rate and digestive tract functions?
The vagus nerve (CN X) is responsible for these functions.
34
True or False: The cranial nerves are numbered from I to XII.
True.
35
What is the function of the facial nerve concerning taste?
The facial nerve conveys taste sensations from the anterior two-thirds of the tongue.
36
Fill in the blank: The sensory functions of the trigeminal nerve are divided into three branches: ____ , maxillary, and mandibular.
ophthalmic.
37
Which cranial nerve is associated with the sense of balance?
The vestibulocochlear nerve (CN VIII) is associated with the sense of balance.
38
What cranial nerve is involved in the movement of the eyes?
The oculomotor nerve (CN III) is involved in eye movement.
39
What is the largest part of the brain?
Cerebrum
40
True or False: The cerebellum is responsible for coordination and balance.
True
41
Fill in the blank: The brainstem consists of the midbrain, pons, and _______.
medulla oblongata
42
What structure connects the two hemispheres of the brain?
Corpus callosum
43
What is the primary function of the frontal lobe?
Executive functions, decision making, and voluntary movement
44
Multiple Choice: Which lobe of the brain is primarily responsible for processing visual information? A) Frontal B) Occipital C) Temporal D) Parietal
B) Occipital
45
What part of the brain is involved in the formation of new memories?
Hippocampus
46
True or False: The thalamus acts as the relay station for sensory information.
True
47
What is the role of the hypothalamus?
Regulating body temperature, hunger, thirst, and circadian rhythms
48
Fill in the blank: The _______ is responsible for emotional responses and is part of the limbic system.
amygdala
49
What structure in the brain is responsible for regulating sleep cycles?
Pineal gland
50
Multiple Choice: Which part of the brain is involved in language comprehension? A) Broca's area B) Wernicke's area C) Occipital lobe D) Cerebellum
B) Wernicke's area
51
What is the function of the basal ganglia?
Regulating voluntary motor movements and procedural learning
52
True or False: The brain is divided into four main lobes.
True
53
What is the primary function of the parietal lobe?
Processing sensory information and spatial awareness
54
Fill in the blank: The _______ is a protective membrane that surrounds the brain.
meninges
55
What is the cerebrospinal fluid's role?
To cushion the brain and spinal cord, and remove waste
56
Multiple Choice: Which area of the brain is associated with motor control? A) Occipital lobe B) Motor cortex C) Somatosensory cortex D) Wernicke's area
B) Motor cortex
57
What does the term 'neuroplasticity' refer to?
The brain's ability to reorganize itself by forming new neural connections
58
True or False: The left hemisphere of the brain is typically associated with logical thinking and analytical skills.
True
59
What is the function of the temporal lobe?
Processing auditory information and memory
60
Fill in the blank: The _______ is the part of the brain responsible for regulating heart rate and breathing.
medulla oblongata
61
What is the role of the prefrontal cortex?
Involved in complex behaviors, decision making, and moderating social behavior
62
Multiple Choice: Which part of the brain is primarily involved in balance and coordination? A) Cerebrum B) Cerebellum C) Brainstem D) Frontal lobe
B) Cerebellum
63
What is the function of the occipital lobe?
Processing visual information
64
True or False: The limbic system is involved in emotion and memory.
True
65
Fill in the blank: The _______ is a structure that helps regulate the body's circadian rhythms.
suprachiasmatic nucleus
66
What is the primary function of the somatosensory cortex?
Processing sensory input from the body
67
Multiple Choice: Which lobe is involved in processing taste? A) Frontal B) Parietal C) Occipital D) Temporal
B) Parietal
68
What is the role of the brain's white matter?
To facilitate communication between different brain regions
69
True or False: The cerebrum is divided into two hemispheres.
True
70
What is the function of the corpus callosum?
To connect the left and right hemispheres of the brain
71
Fill in the blank: The _______ controls involuntary actions such as heartbeat and digestion.
autonomic nervous system
72
What part of the brain is responsible for reflex actions?
Spinal cord
73
Multiple Choice: Which structure is involved in the regulation of body temperature? A) Thalamus B) Hypothalamus C) Cerebellum D) Medulla
B) Hypothalamus
74
What is the role of the dorsal root ganglia?
To transmit sensory information to the spinal cord
75
True or False: The brain uses 20% of the body's total energy.
True
76
What is the function of glial cells?
To support and protect neurons
77
Fill in the blank: The _______ is the part of the brain that is crucial for learning and memory.
hippocampus
78
Multiple Choice: Which area of the brain is primarily involved in processing smells? A) Olfactory bulb B) Hippocampus C) Amygdala D) Cerebellum
A) Olfactory bulb
79
What is the primary role of the ventral tegmental area?
Involved in the reward system and addiction
80
True or False: The brain can regenerate neurons throughout a person's life.
False
81
What is the function of the angular gyrus?
Involved in language processing and spatial awareness
82
Fill in the blank: The _______ is the area of the brain that processes and integrates sensory information.
parietal lobe
83
Multiple Choice: Which structure is responsible for emotional regulation? A) Thalamus B) Amygdala C) Cerebellum D) Pons
B) Amygdala
84
What is the primary function of the insula?
Processing emotions and self-awareness
85
True or False: The right hemisphere is often associated with creativity and artistic ability.
True
86
What is the primary role of the cingulate gyrus?
Involved in emotion formation and processing
87
Fill in the blank: The _______ connects the brain to the spinal cord.
brainstem
88
Multiple Choice: Which area of the brain is primarily responsible for voluntary movement? A) Somatosensory cortex B) Motor cortex C) Occipital lobe D) Cerebellum
B) Motor cortex
89
What is the role of the arachnoid mater?
To protect the brain and contain cerebrospinal fluid
90
True or False: The frontal lobe is involved in processing visual information.
False

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