Random Questions Missed Flashcards

1
Q

Rasburicase MOA

A

convert uric acid into more soluble metabolites

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2
Q

rifampin, phenobarbital, and phenytoin _______CYP450 enzymes and those that does what to efficacy of warfarin?

A

enhance (induce), and decreases

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3
Q

Human tumor cells can resist chemotherapy via human mutidrug resistance (MDR1) gene; the protype product of this gene is p.glycoprotein which is a transmembrane protein that functions as?

A

a ATP dependent efflux pump

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4
Q

Normally _________ is present in intestinal and renal tubular epithelial cells and functions to eliminate foreign compounds from the body?

A

p. glycoprotein

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5
Q

immediate reversal of warfarin overdose?

A

fresh frozen plasma

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6
Q

vinka alkaloids work on what phase? also, taxans work here?

A

M phase

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7
Q

bleomycin and doxorubicin work on?

A

G2 phase

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8
Q

antimetabolites, and topoisomerase 1 and 2 inhibitors work?

A

S phase

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9
Q

nucleoside monophosphate (i.e. nucleotide) that requires only cellular kinases for activation?

A

cidofovir

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10
Q

What drugs bind to and activate vitamin D receptor; a nuclear transcription factor that causes inhibition of keratinocyte proliferation and stimulation of keratinocyte differentiation? also, used for psoriasis?

A

topical vitamin D analogy; like calcipoteriene( calcipotriol); calcitriol, and tacalcitol

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11
Q

Abciximab MOA

A

glycoprotein 2B/3A receptor

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12
Q

Clopidogrel MOA

A

ADP receptor (platelets)

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13
Q

patient with testicular cancer has PFTS consistent with restrictive lung disease; what drug cases this?

A

bleomycin

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14
Q

patient preparing for bone marrow transplantation has PFTS consistent with restrictive lung disease; what drug cases this?

A

busulfan

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15
Q

hirudin, lepirudin, and argatroban MOA

A

direct thrombin inhibitor

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16
Q

Mealtime insulin analogs (lispro, aspart, and glulisin) mimic

A

postprandial insulin

17
Q

Which Selective estrogen receptor modulator has a side effect of endometrial hyperplasia and carcinoma?

A

tamoxifen

18
Q

What drugs suppress GnRH and pituitary gonadotropin secretion and inhibit ovulation?

A

combined hormonal contraceptive

19
Q

Which drug thickens cervical mucus and impairs sperm penetration?

A

progestin only pill or levonotgestrel IUD

20
Q

Increase in estrogen activity will do what to circulating TBG levels? which causes corresponding reduction in free T4 and free T3 levels. Due to feedback control this increases total thyroid hormone levels and maintenance of normal levels of free thyroid hormone

A

increase

21
Q

Methimazole and PTU work to inhibit what enzyme? which is responsible for iodine organification and coupling of iodotyrosines.

A

thyroid peroxidase

22
Q

What are the 3 bile acid binding resins?

A

cholestyramine, colestipol, colesnvelam

23
Q

What drug class could be used as mono therapy to increase triglyceride levels?

A

bile acid binding resins

24
Q

What kind of drugs can inhibit the NE/epi mediated compensatory reactions to hypoglycemia (cholinergic symptoms are unaffected). ; also be aware of the possibly increased risk of hypoglycemia and reduction of awareness of hypoglycemia in diabetic patients?

A

nonselective beta blockers (propanolol, timolol, and nadolol)

25
Q

What drug causes decreased renal excretion of uric acid? so this leads elevated blood levels and increased risk of gouty arthritis?

A

niacin

26
Q

MOA : increase HDL levels?

A

niacin

27
Q

MOA: decrease triglycerides by activating PPAR alpha

A

fibrates

28
Q

What is due to increased soft tissue mass within the orbit and does not improve with beta blockers?

A

exophthalmos in Grave’s disease