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Step 1 > Test 45 > Flashcards

Test 45 Flashcards

1
Q

scotoma

A

visual field defect taht occurs d/t pathologic processes that involve part of the retina or the optin nerve and lead to a discrete area of altered vision surounded by zones of normal vision

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2
Q

lesion of hte macula

A

central scotoma

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3
Q

arcuate scotoma

A

damage to particular region of opticn erve head

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4
Q

ApoA

A

LCAT activation

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5
Q

AboB48

A

Chylomicron assembly and secretion by intestine

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6
Q

ApoB100

A

LDL particle uptake by extrahepatic cells

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7
Q

ApoC 100

A

LPL activation

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8
Q

ApoE3/4

A

VLDL and chylomicron remnant uptake by liver cells

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9
Q

ApoE3/4

A

VLDL and chylomicron remnant uptake by liver cells

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10
Q

xanthomas and premature coronary peripheral vascular disesase

A

type III hyperlipproteinemia

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11
Q

Apo C II def

A

type I hyperchylomicronemia

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12
Q

fever
vesiculoulcerative GINGIVOSTOMATITIS
cervical lymphadenopathy

A

MC clinical manifestations of HSV1

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13
Q

cerebellar ataxia
telangiectasia
increased risk of sinuopulmonary infections

A

ataxia telangiectasia

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14
Q

genetic defect in ataxia telengiectasia

A

ATM gene
DNA Repair

Nonhomologus end joinging. Repair of dsDNA breaks.

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15
Q

Pathogens most responsible for secondary bacterial pneumonia in pts older than 65

A

s. pneumoniase
s. aureus
h. influenzae

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16
Q

replacement of an unpleasant or unacceptable thought/desire w/ emphasis on its opposite

A

Reaction formation

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17
Q

Digoxin

A

inhibits N/K ATP ase in cardiac pacemaker cells>
AV node blockage>
increased contractility from increased intracellular ca

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18
Q

converts 7 dehydrocholestertol to cholecalciferol

A

sunlight

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19
Q

inserts on the medial clavicle and manubriuma nd inserts on teh mastoid proces of the skull

A

sternocleidomastoid

CN XI

20
Q

inserts on the medial clavicle and manubriuma nd inserts on teh mastoid proces of the skull

A

sternocleidomastoid

CN XI

21
Q

what is the intrapleural pressure at FRC

A

-5

chest wall wants to expand, lung wants to collapse> negative pressure

22
Q

tests for DS screening

A

triple marker

quadruple marker

23
Q

used to verify dx of DS

A

amniocentesis

chromosomal analysis

24
Q

multiple RING ENHANCING lesions in HIV pt

A

toxoplasmosis

25
Q

brain abscesses that are common in neutropenic pts and immunosupressed transplant pts

A

Aspergillus fumigatus

26
Q

brain abscesses that are common in neutropenic pts and immunosupressed transplant pts

A

Aspergillus fumigatus

27
Q

fixed/dilated pupil on side of lesion

ipsilateral paralysis of CN II

A

Transtentorial herniation

28
Q

subfalcine herniation

A

cingulate gyrus herniated under falx cerebri>

compreses ACA

29
Q

tonsillar herniation

A

compress medulla

30
Q

Lorazepam

A

facilitates GabaA action by Increasing frequency of Cl channel opening

31
Q

antiarryhtimic that caues constiplation and gingival hyperblasia
AV block

A

Verapimil

Diatiazem

32
Q

used for tx of bradycardia> decreases vagal influence on SA/AV noces, but can icnrease IOP

A

Atropin

33
Q

genetic lack of UGT enzyme needed to catalayze bile glucuronidation

A

Crigler Najjar

34
Q

Build up of unconjugated hyperbilirubinemia in infants> kernicterus and death

A

Crigler Najjar syndrome

35
Q

Build up of unconjugated hyperbilirubinemia in infants> kernicterus and death

A

Crigler Najjar syndrome

36
Q

blocks gastric parietal cell M3 Ach receptor

A

atropine

37
Q

cimtetidine

A

blocks H2 receptor

38
Q

PPI

A

lansoprazole

39
Q

PPI

A

lansoprazole

40
Q

part of brain associated w/ acute nausea

A

CTZ> area postrema of dorsal medulla near 4th ventricle

41
Q

coordinates sensory and motor systems

A

thalamus

42
Q

site of superior and inferior colliculi

A

dorsal midbrain

43
Q

ventral pons

A

lotsa stuff goes through there

44
Q

common cause of neoneatal meningitis that is gram negative and forms pink colonies on MacConckey agar

A

E. Coli

45
Q

most impt virulence factor for development of neonatal meningitis caused by E. coli

A

K1 capsule

46
Q

MC site for renal cell carcinoma

A

lung

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