Heparin exerts its anticoagulant effect by binding to which of the following substances?
a. fibrin
b. factor VII
c. protein S
d. antithrombin
D
heparin exerts anticoagulant effect by binding to antithrombin
All but which of the following medications are appropriate to use in UA/NSTEMI ...
Naplex Review Questions and
answers
Heparin exerts its anticoagulant effect by binding to which of the
following substances?
a. fibrin
b. factor VII
c. protein S
d. antithrombin - answer D
heparin exerts anticoagulant effect by binding to antithrombin
All but which of the following medications are appropriate to use in
UA/NSTEMI patients?
a. antiplatelets
b. beta blockers
c. thrombolytics
d. ACE inhibitors - answer C
in addition to other meds, antiplatelets, betablockers, and ACE
inhibitors are appropriate to use in UA/NSTEMI patients.
thrombolytics can be used in STEMI patients
Vitamin K should be administered by which of the following routes
of administration if a stat reversal of an elevated INR is not
required?
a. subcutaneously
b. intramuscularly
c. orally
d. intravenously - answer C
,vitamin K should be given orally if a stat reversal of an elevated INR
is not required.
The concentrations of all but which of the following statins can be
increased by medications that inhibit CYP3A4?
a. lovastatin
b. pravastatin
c. atorvastatin
d. simvastatin - answer B
pravastatin is not significantly metabolized by 3A4 and is excreted
mainly unchanged
The administration of anticoagulants and antiplatelets should be
delayed for how many hors in patients who have received alteplase
for the management of acute ischemic stroke?
a. 12
b. 18
c. 24
d. 36 - answer C
administration of anticoagulants and antiplatelets should be
delayed for 24 hours to decrease risk of bleeding
Which of the following medications should be used for the
immediate treatment of chronic stable angina symptoms?
a. sublingual nitroglycerin
b. aspirin
c. isosorbide mononitrate
d. diltiazem - answer A
immediate treatment = sublingual nitroglycerin
, Tachycardia is characterized by a heart rate that is greater than how
many beats per minute?
a. 90
b. 100
c. 110
d. 120 - answer B
> 100 bpm
Statins lower cholesterol levels by which of the following
mechanisms?
a. inhibiting intestinal cholesterol absorption
b. inhibiting the conversion of HMG-CoA to mevalonate
c. activating peroxisome proliferator-activated receptor alpha.
d. binding bile acids in the intestine - answer B
Which of the following medications reversibly blocks platelet
aggregation by binding to glycoprotein IIb/IIIa receptor?
a. eptifibatide
b. fondaparinux
c. clopidogrel
d. heparin - answer A
Eptifibatide reversibly blocks platelet aggregation bu binding to
glycoprotein IIb/IIIa
Which of the following values is directly proportional to the product
of cardiac output (CO) and systemic vascular resistance (SVR)?
a. blood volume
b. oxygen saturation
c. peripheral vascular resistance
d. blood pressure - answer D
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