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CRNA- Anatomy > Lecture 8 > Flashcards

Lecture 8 Flashcards

1
Q

Fold that dips into the longitudinal fissure

A

Falx cerebri

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2
Q

Runs along the vermis of the cerebellum

A

Falx cerebelli

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3
Q

Horizontal dural fold extends into the transverse fissure

A

Tentorium cerebelli

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4
Q

Pathway of CSF

A

Choroid plexus > lateral ventricle > foramina of monro > 3rd ventricle > aqueduct of Sylvius > 4th ventricle > foramina Lushka or Foramina Magendie > subarachnoid space of spinal cord > brain > arachnoid villi

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5
Q

What are the cranial nerves?

A 
(I) olfactory
(II) optic
(III) oculomotor 
(IV) trochlear
(V) trigeminal
(VI) abducens 
(VII)facial
(VIII) vestibulocochlear
(IX) glossopharyngeal
(X) vagus
(XI) spinal accessory
(XII) hypoglossal
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6
Q

Narrowest point of larynx

A

In adult, b/w vocal cords

In children, below cords at cricoid

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7
Q

Aortic cross clamping can disrupt the flow through _____

A

Artery of Adamkiewicz

May lead to paraplegia

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8
Q

Cranial nerve (I)

A

Olfactory

Function: smell

Type: sensory

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9
Q

Cranial nerve (II)

A

Optic

Function: sight

Type: sensory

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10
Q

Cranial nerve (III)

A

Oculomotor

Function: eye movement, pupil constriction, accommodation, eyelid opening

Type: motor

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11
Q

Cranial nerve (IV)

A

Trochlear

Function: supplies superior oblique

Type: motor

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12
Q

Cranial nerve (V)

A

Trigeminal

Function: mastication, facial sensation

Type: both

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13
Q

Cranial nerve (VI)

A

Abducens

Function: supplies lateral rectus

Type: motor

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14
Q

Cranial nerve (VII)

A

Facial

Function: facial movement, anterior 2/3 taste, lacrimation, salivation, eye lid closing

Type: both

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15
Q

Cranial nerve (VIII)

A

Vestibulocochlear

Function: hearing, balance

Type: sensory

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16
Q

Cranial nerve (IX)

A

Glossopharyngeal

Function: posterior 1/3 of taste, swallowing, gag reflex, salivation, monitoring carotid bodies/sinuses

Type: both

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17
Q

Cranial nerve (X)

A

Vagus

Function: taste, swallowing, palate elevation, talking, thoraco-abdominal viscera

Type: both

18
Q

Cranial nerve (XI)

A

Accessory

Function: head turning, shoulder shrugging

Type: motor

19
Q

Cranial nerve (XII)

A

Hypoglossal

Function: tongue movement

Type: motor

20
Q

Damage to optic nerve

A

Blindness

21
Q

Injury to oculomotor nerve

A

Strabismus, ptosis, loss of light reflex

22
Q

Trigeminal Neuralgia

A

“Tic Douloureux”

Most severe face pain- “suicide pain”

Involves V and IX

Tx: carbamazepine

23
Q

Paralysis of facial nerve

A

Bell’s Palsy

Idiopathic
Loss of taste
Paralysis of facial muscles
Herpes simplex virus type 1 possible cause
Wide open eye- infection, ulcers, “save the eye”
Resolves spontaneously
Surgical decompression of VII nerve

24
Q

Damage to VIII nerve

A

Nerve deafness

25
Q

Damage to vagus nerve

A

Hoarseness, loss of voice, impaired gut motility

26
Q

Damage to XII nerve

A

Tongue deviates to affected side

27
Q

Where are tracheostomys made?

A

Median cricothyroid ligament

28
Q

Largest cartilage of larynx. Forms Adam’s apple

A

Thyroid cartilage

29
Q

Inferior most cartilage of larynx. Beginning of trachea

A

Cricoid

30
Q

Major motor nerve of larynx

A

Recurrent laryngeal nerve

31
Q

Laryngeal nerve supplies all intrinsic muscles EXCEPT?

A

Cricothyroid- supplied by superior laryngeal nerve

32
Q

_____ tightens the vocal cord; _____ relaxes the cord

A

Cricothyroid

Thyroarytenoid

33
Q

______ abducts the vocal cords; ________ adducts the cords

A

Posterior cricoarytenoid

Lateral cricoarytenoid

34
Q

Injury to recurrent laryngeal nerve

A

Paralysis of cricoarytenoid > vocal cord cannot come together, hoarseness

35
Q

Most common injury after subtotal thyroidectomy

A

Injury to recurrent laryngeal nerve

36
Q

What cranial nerves are involved in Trigeminal Neuralgia

A

V and IX

37
Q

Lateral rectus

A

moves eye laterally

abducens

38
Q

Medial rectus

A

moves eye medially

oculomotor

39
Q

superior rectus

A

elevates eye and turns it medially

oculomotor

40
Q

inferior rectus

A

depresses eye and turns it medially

oculomotor

41
Q

superior oblique

A

depresses eye and turns laterally

trochlear

42
Q

inferior oblique

A

elevates eye and turns it laterally

oculomotor

CRNA- Anatomy (9 decks)

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