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ANATOMY > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

1) What cranial nerves are both sensory and motor (contain a GSA functional component)?
a) III, IV, VI
b) I, II, V, XI, XII
c) V, VII, IX, X
d) XII
e) V only

A

C. V, VII, IX, X

Note: Se Se Mo Mo Mi (V) Mo Mi (VII) Se Mi (IX) Mi (X) Mo Mo

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2
Q 
1.) All arises at the midbrain, EXCEPT:
A. Trochlear
B. Trigeminal
C. Oculomotor
D. None of the Above
E. All of the Above
A

B. Trigeminal N. (Its from pons)

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3
Q 
Which of these structures passes through the Superior Orbital Fissure?
A. Oculomotor
B. Trochlear
C. Abducens
D. All of the Above
A

D- owel

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4
Q 
The following nerves are sensory, EXCEPT:
A. Vestibulocochlear Nerve
B. Optic Nerve
C. Vagus Nerve
D. Olfactory Nerve
E. None of the Above
A

C. Vagus nerve is a MIXED nerve

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5
Q 
The cranial nerve that arises between the pons and the medulla oblongata?
A. Vestibulocochlear
B. Facial
C. Trigeminal
D. Abducens
A

C. Trigeminal nerve arises from PONS

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6
Q

MATCHING TYPE:

  1. Trochlear Nerve:
  2. Abducens Nerve:

A. Turns eyeball downward and medially
B. Turns eyeball downward and laterally
C. Turns eyeball downward
D. Turns eyeball laterally

A
  1. B - Trochlear innervates Superior Oblique - Downward and Lateral (SO4)
  2. D - Abducens innervates Lateral Rectus - Laterally (LR6)
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7
Q 
Found at the level of the axillary artery:
A. Cervical roots of the Brachial Plexus
B. Dorsal branch of the Brachial Plexus
C. Chords
D.Roots
A

C. Chords

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8
Q

Phrenic Nerve is a:
A. Sensory Nerve
B. Motor Nerve
C. Mixed Nerve

A

MIXED. Phrenic Nerve is from C3-C5. It is the only motor supply to diaphragm and also carries sensory branches from pericardium, peritoneum, and pleura.

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9
Q 
Mandibular division of the trigeminal nerve (CNV3) innervates?
A. Tensor Tympani
B. Tensor veli palatani
C. Anterior belly of the digastric
D. Mylohyoid
E.Muscles of mastication
A

All of the above

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10
Q

Muscular branch of the cervical plexus supplies:
A. Ansa cervicalis
B. Branches to levator scapulae
C. Branches to thyrohyoid and geniohyoid

A

All

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11
Q

Purely motor, EXCEPT:
A. Glossopharyngeal
B. Hypoglossal
C. Accessory

A

Glossopharyngeal is motor (stylopharyngeus muscle), sensory ( posterior 1/3 of tongue, carotid sinus, carotid body) and secretomotor (parotid gland)

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12
Q

Which of the following is FALSE?
A. Cochlear nerve is for hearing
B. Vestibular nerve is for sense of position
C. Both vestibulocochlear exits the through the Internal Acoustic Meatus
D. Cochlea and Semicircular canal are found in the middle ear

A

D. They are in the INNER ear

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13
Q 
Great Auricular Nerve innervates?
A. Skin over the angle of the jaw
B. Skin in front of the neck
C. Skin over the shoulder region
D. Skin on back of scalp and auricle
A

Answer. A. Angle of jaw

Front of neck is by transverse cervical n.
Shoulder region is by supraclavicular n.
Back of scalp and auricle id by lesser occipital n.

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14
Q 
Ansa Cervicalis innervates the following:
A. Sternohyoid
B. Omohyoid
C. Sternothyroid
D. All of the Above
A

D. Owel

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15
Q 
Phrenic nerve innervates?
A. Pericardium
B. Diaphragm
C. Pleura
D. Peritoneum
A

Answer. All of the above

Phrenic is both motor (diaphragm) and sensory (pericardium, pleura, and peritoneum)

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16
Q

Long Thoracic Nerve which innervates Serratus Anterior Muscle, branches off from the brachial plexus in the:
A. Root
B. Trunk
C. Cords

A

A. Root

Note: Dorsal scapular nerve also branches off from the roots of the brachial plexus

17
Q 
Thoracodorsal Nerve innervates:
A. Longisimus dorsi
B. Latissimus dorsi
C. Rhomboid major
D. Pectoralis major
A

B. Latissimus dorsi

18
Q

Lower Subscapular Nerve innervates:

A

Answer: Teres Major

Note: Lower Subscapular Nerve is a branch of the Posterior cord of the Brachial plexus

19
Q 
The Oculomotor Nerve moves the eye \_\_\_\_\_, EXCEPT:
A. Superiorly
B. Inferiorly
C. Laterally
D. Medially
A

Answer: Laterally (its a function of CNVI Abducens (LR6))

20
Q 
The ff. are branches of the CN V1, EXCEPT:
A. Frontal
B. Zygomaticotemporal
C. Lacrimal
D. Nasociliary
A

B. Zygomaticotemporal nerve is a branch of the CNV2

21
Q 
Branch of the Maxillary Branch of the CN V:
A. Masseteric n.
B. Buccal n.
C. Infraorbital n.
D. Lingual n.
E. External Nasal n.
A

Answer: Infraorbital

Notes: Masseteric, buccal, and lingual are CN V3 while External nasal is CN V1

22
Q 
CN VII supplies the ff., EXCEPT:
A. Stylopharyngeus m.
B. Sublingual Gland
C. Posterior belly of the Digastric
D. Taste from anterior 2/3 of Tongue
A

A. Stylopharyngeus is innervated by CN V3

23
Q 
CN IX branches, EXCEPT:
A. Carotid sinus and body
B. Parotid Gland
C. Stylopharyngeus m.
D. Anterior 2/3 of the tongue
A

D. Anterior 2/3 is innervated by Facial Nerve

24
Q 
Vagus n. branches, EXCEPT:
A. Recurrent Laryngeal n.
B. Tympanic n.
C. Auricular n.
D. Cardiac Branches
A

Tympanic nerve is a branch of the glossopharyngeal nerve (CN IX)

25
Q 
The spinal accessory n. arises from:
A. Medulla Oblongata
B. Pons
C. C1-C5
D. Foramen Magnum
A

C. C1-C5 (“spinal” from cervical spinal cord)

ANATOMY (12 decks)

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