Test 46 Flashcards

1
Q

most common location of brain germinomas

A

pineal region

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2
Q

allows for prenatal dx of NTDs

A

AFP

ACHesterases

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3
Q

do carcinoid tumors confined to the intestine cause carcinomid syndrome?

A

NO

secretory products are metabolized by hte liver before entering the systemic circulation

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4
Q

intestinal carcinomids that metastisize

A

release vasoactive substances taht avoid first pass metabolism> flushing, diarrhea, bronchospasm

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5
Q

diminished relaxation of pharyngeal muscles during swallowing

A

cricopharyngeal muscle dysfxn>

ZENKERS diverticulum

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6
Q

oropharyngeal dysphagia, coughing, choking, recurrent aspiration

A

Zenker diverticulum

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7
Q

repjlication for HBV

A

DS DNA>
+RNA>
DS DNA

Uses REVERSE TRANSCRIPTION

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8
Q

ulcerative mass in anal canal in man w/ HIV

A

HPV> increases risk of anal carcinoma

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9
Q

potential complication in pt w/ psoriasis

A

deforming joint disease

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10
Q

sharply demarcated salmon colored plaques w/ silvery scale

A

psoriasis

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11
Q

depolarization

A

massive influx of Na ions

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12
Q

repolarization

A

closure of VG Na channels and opening of K channels

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13
Q

reversible cholinergic (PNS!) antagoinist that acts selectively on muscarinic receptors

A

Atropine

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14
Q

what can reverse atropine

A

phsyostigmine

increases Ach in synaptic cleft

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15
Q
blind as a bat
mad as a hatter
red as a beat
hot as a hare
dry as ab one
bowel and bladder lose their tone
heart runs alone
A

atropine

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16
Q

painless hematuria 2-3 DAYS after a URI

A

IgA nephropathy

17
Q

painless hematuria WEEKS after infection

A

PSGN

18
Q

Low C 3 levels vs normal C 3 leels

A

Low C 3 PSGN

IgA

19
Q

Low C 3 levels vs normal C 3 leels

A

Low C 3 PSGN

IgA

20
Q

fetal growth retardation and discoloration of teeth

A

tetracycline

21
Q

Schwan cells origin

A

NCC

22
Q

cutaneous and subcutaneous neurofibromas are tumors of

*button hole down…

A

schwann cells

23
Q

occasional HA and pigmented spots on trunk. Also rubbery cutaneous tumors on neck.

A

NF1

24
Q

MC cause of aseptic meningitis

A

enteroviruses

lymphocytic pleocytosis!!
modestly elevated protein
normal glucose

25
Q

ipratroprium

A

antimuscarinic agent that REVERSES vagally medaited bronchoconstriction

26
Q

theophylline and aminophylline

A

cause bronchial dilation by decreasing PDE enzyme activity> increased cAMP

27
Q

nifedipine

A

BRONCHODILATION

blocks Ca influx into bronchial sm muscle

28
Q

endoneural infiltarate and segmental demyelination

A

GB syndrome

29
Q

endomysial inflammatory infiltration

A

polymyositis