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STEP 1 > Neuro random > Flashcards

Neuro random Flashcards

1
Q

C2 dermatome provides sensation to what?

A

Back of the head/skull

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2
Q

T4 dermatome provides sensation to what?

A

Nipple line

Titties

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3
Q

T10 dermatome provides sensation to what?

A

Belly Button Line

ButTEN

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4
Q

L1 dermatome provides sensation to what?

A

Ligament Inguinal

L 1inguinal

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5
Q

S2, 3, 4 dermatomes provides sensation to what?

A

Penile and anal zones

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6
Q

S1 & S2 dermatomes provides sensation to what?

A

Back of the entire leg

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7
Q

S5 dermatome provides sensation to what?

A

Butthole

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8
Q

L4 dermatome provides sensation to what?

A

Anterior thigh (some)
Knee caps
Medial leg/malleolus
Big toe

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9
Q

C4 dermatome provides sensation to what?

A

Clavicle

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10
Q

C6 dermatome provides sensation to what?

A

Thumb

C7: Pointer and middle fingers
C8: Ring and Pinky fingers

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11
Q

Cremasteric Reflex is absent in what illness?

A

Testicular Torsion

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12
Q

Anal Wink is absent in what illness?

A

Cauda Equina

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13
Q

Achilles reflex main nerve root is

A

S1

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14
Q

Patellar reflex main nerve root is

A

L4

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15
Q

Biceps reflex main nerve root is

A

C5

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16
Q

Triceps reflex main nerve root is

A

C7

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17
Q

The facial artery is a branch of the

A

external carotid artery

18
Q

The middle cerebral artery is a branch of the

A

internal carotid artery

19
Q

The ophthalmic artery is the first branch of the

A

internal carotid artery

20
Q

The sphenopalatine artery is a branch of the third part of the _______ and supplies much of the nasal mucosa.

A

maxillary artery

21
Q

The middle meningeal artery is a branch of the _______, which enters the skull at the ______ and courses intracranially deep to the pterion (where the frontal, parietal, temporal, and sphenoid bones meet). Skull fractures at this site may cause laceration of this vessel, leading to an _______.

A

maxillary artery
foramen spinosum
epidural hematoma

22
Q

Granulomas are seen in the media of the arteries, consisting of mononuclear infiltrates and multinucleated giant cells.

The changes in the arteries are segmental: abnormal areas are interspersed by segments of normal-appearing arterial wall.

Affected segments cause narrowing of the vessel with a decrease in blood supply to the perfused areas.

A

giant (Temporal) cell vasculitis (arteritis)

23
Q

Sudden-onset, severe headache with signs of meningeal irritation (eg, neck pain, stiffness) should raise suspicion for

A

subarachnoid hemorrhage (SAH)

24
Q

usually results from the rupture of small arteries in the pons, thalamus, or basal ganglia, commonly in the setting of underlying hypertensive vasculopathy.

A

Intracerebral hemorrhage

25
Q

Rupture of Bridging cortical veins

A

Subdural Hematoma

26
Q

If the occluded MCA is in the ____ hemisphere, aphasia may also occur.

A

dominant (usually left)

27
Q

Uncontrolled hypertension and diabetes mellitus are major risk factors for

A

Lacunar infarcts as a result of small vessel occlusion (due to lipohyalinosis and microatheroma formation)

in the penetrating vessels supplying the deep brain structures.

28
Q

Damage to ____ & _____ nuclei results in complete contralateral sensory loss.

A

VPL

VPM

29
Q

Damage to the ___ typically causes behavioral abnormalities (eg, agitation, psychosis, abulia), speech/language disturbances, and movement disorders (eg, choreoathetosis).

A

caudate nucleus

30
Q

What CN are in the cavernous sinus

A

CN 3, 4, V1, V2, 6

31
Q

Homonymous hemianopia with macular involvement.

A

Middle cerebral artery stroke

32
Q

contralateral homonymous hemianopia with macular sparing.

A

Posterior cerebral artery stroke

33
Q

Hypothalamic nuclei:
Mediates satiety;
destruction leads to hyperphagia

A

Ventromedial

34
Q

Hypothalamic nuclei:
Mediates hunger;
destruction leads to anorexia

A

Lateral

35
Q

Hypothalamic nuclei:
Mediates heat dissipation;
destruction leads to hyperthermia

A

Anterior

36
Q

Hypothalamic nuclei:

Mediates heat conservation; destruction leads to hypothermia

A

Posterior

37
Q

Hypothalamic nuclei:

Secretion of dopamine (inhibits prolactin), GHRH

A

Arcuate

38
Q

Hypothalamic nuclei:

Secretion of GnRH, regulates sexual behavior

A

Medial Preoptic

39
Q

Hypothalamic nuclei:

Circadian rhythm regulation & pineal gland function

A

Suprachiasmatic

40
Q

Hypothalamic nuclei:

Secretion of oxytocin, CRH, TRH

A

Paraventricular

41
Q

Hypothalamic nuclei:

Secretion of Vasopressin (ADH)

A

Supraoptic

STEP 1 (88 decks)

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