ETSU Pharmacology Exam 4
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The patient with a deep vein thrombosis in her lower leg and
was started on warfarin. She asks the nurse how warfarin
works. What is the nurse's best response?
a. "warfarin will help dissolve the blood clots"
b. "warfarin is given with thrombolytics to help break up clots"
c. "warfarin prevents new clots from forming"
d. "warfarin dilates the veins to improve blood flow" - ANSWER
C.
The nurse has several patients receiving warfarin. Which INR (s)
should concern the nurse? Select all that apply
a. 1.2
b. 1.4
c. 1.8
d. 2.0
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e. 2.4 - ANSWER A., B., C.
What is one of the primary reasons LMWHs are given?
a. enhance the action of warfarin
b. prevent cerebrovascular accidents
c. prevention of DVTs after hip or knee surgery
d. treatment of acute myocardial infarction - ANSWER C.
Which drug is not considered a LMWH? Select all that apply
a. enoxaparin sodium
b. clopidogrel
c. dalteparin
d. apixaban - ANSWER B., D.
The patient, 58 years old, has unstable angina and is having an
emergent coronary angioplasty (PCTA). The nurse is completing
preprocedure teaching and explains that he will be receiving a
medication right before the procedure and then for the next 12
hours by IV drip to prevent ischemia. What drug is the nurse
teaching the patient about?
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a. abciximab
b. aminocaproic acid
c. protamine sulfate
d. warfarin - ANSWER A.
The patient weighs 168 pounds and is going to receive
abciximab for unstable angina. What is the correct dosage for a
continuous infusion?
a. 9.5 mcg/min
b. 19 mcg/min
c. 25 mcg/min
d. 42 mcg/min - ANSWER A.
Which statement best describes clopidogrel?
a. it is the most effective anticoagulant when used with
ibuprofen
b. it is most effective when prescribed as a single drug to
prevent stroke
c. it is an inexpensive alternative to warfarin
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d. it can be used together with aspirin after myocardial
infarction or cerebrovascular accident to prevent platelet
aggregation - ANSWER D.
The 72-year-old patient has a history of atrial fibrillation and has
been discharged from the hospital on warfarin. He was taking
heparin before being changed to warfarin for discharge. With
regards to lab monitoring, what is a priority teaching
intervention for the nurse?
a. "INR will be monitored closely"
b. "Periodic evaluation of your electrolytes is very important"
c. "your blood must be monitored for BUN/ creatinine values to
evaluate for new renal failure"
d. "you will not need any further lab work while taking this
medication" - ANSWER A.
Enoxaparin sodium is an anticoagulant used to prevent and
treat deep vein thrombosis and pulmonary embolism. To which
category does this drug belong?
a. oral anticoagulant
b. low-molecular- weight heparin
c. standard heparin