Clinical - Block 2 Flashcards Preview

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Flashcards in Clinical - Block 2 Deck (13):
1

What is demyelinated in MS?

Abducens Nerve

2

What is Brown Squared Syndrome?

Hemiplegia - loss of sensation and motor function due to lateral hemisection of the spinal cord.

3

More about what causes Bell's Palsy?

Could be: Herpes, Lyme disease, diabetes, AIDs, sarcoid or tumors. Usually self resolves and may impact other roles of facial nerve like taste, tear and saliva production.

4

What does increased activity in temporal lobe on MRI indicate?

HSV encephalitis - use acyclovir to treat

5

Properties of N. meningitis and who gets it?

Gram -, diplococci
Prisoners, military vets, college students
-Can get a rash - red discrete macules with N. meningitis

6

Best way to treat N. meningitis?

Gram -
Ceftriaxone

7

What can aminoglycosides cause?

Otoxicity - including ringing ears

8

What does bisphosphate do?

Blocks osteoclast activity --> blocks bone resorption

9

What does decreasing prostaglandins do the stomach?

It increases acid (H+) secretion, decreases gastric mucous secretion --> stomach lesion/ulcer

10

How does aspirin cause an increased respiratory rate and heart rate?

It produces salicylate toxicity --> metabolic acidosis --> dec. pH --> High Resp. Rate & HR

11

Everything goes through the inferior cerebral peduncle except. . .

Pontocerebellar tract - goes through middle cerebellar peduncle

12

What does the solitary nucleus contain?

Visceral (taste, touch) sensation; receives first-order neurons from CN VII, IX and X - 2nd order neurons go to the thalamus

13

What is in the medial longitudinal fasciculus?

Cell bodies in vestibular nuclei - connects CN III, CN IV and VI and upper cervical motor neurons