Rx_3.20 Flashcards Preview

USMLE Step 1 > Rx_3.20 > Flashcards

Flashcards in Rx_3.20 Deck (13)
1

Ulnar n. BP derivation

lower trunk

2

CSF drainage ==>

superior sigittal sinus

3

Ethanol during preg. ==>

microcephaly, mental disability, facial abnormalities (wide set eyes, thin upper lip), limb anomalies

4

Location of wernicke's

Left sup. and middle tempiral

5

Location of Broca's

Broadman's area 44; adjacent to primary motor cortex

6

Conduction aphasia

lesion of arcuate fasciculus (white matter tract connects broca's and wernicke's) ==> defect in repetition

7

CN VII course

enters through internal auditory meatus, through facial canal, exits @ stylomastoid formen and passes anterior to parotid gland then divides

8

CN VII

motor and sensory; facial movement (m. of facial expression), taste from ant. 2/3, lacrimation, salivation, stapedius ear muscle

9

No vaccines + recent enteric illness + peripheral neuropathy ==> dx?

polio

10

Overaggressive correction of hyponatremia vs. hypernatremia ==>

hyponatremia correction ==> central pontine myelinosis = osmotic demyelination ==> dysarthria, dysphagia, flaccid quadriparesis ==> locked in syndrome

hypernatremia correction ==> cerebral edema

11

Phenelzine =
Fluoxetine =
Trazadone =
Venlafaxine =

Phen = MAO-i
Fluoxetine = SSRI
Trazadone = SNRI
Venlafaxine = SNRI

12

First-line tx for bacterial meningitis in adults w/out other risk factors

3rd gen. ceph ==> ceftriaxone

13

Thiamine = cofactor for...

alpha-ketoglutarate dehydrogenase, pyruvate dehydrogenase, trasnketloase

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