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Chapter 40 Anticoagulants, Antiplatelets, and Thrombolytics Questions &Exam (elaborations) answers 100% satisfaction guarantee
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Chapter 40 Anticoagulants, Antiplatelets, and Thrombolytics Questions &Exam (elaborations) answers 100% satisfaction guarantee

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  • August 11, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • chapter 40 anticoagulants antiplatelets and thr
  • chapter 40 anticoagulants antiplatelets and thr

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STUVIA 2024/2025
Chapter 40: Anticoagulants, Antiplatelets, and
Thrombolytics
A nursing student asks why the anticoagulant heparin is given to patients who have disseminated
intravascular coagulation (DIC) and are at risk for excessive bleeding. The nurse will explain that
heparin is used in this case for which reason?
a. To decrease the risk of venous thrombosis
b. To dissolve blood clots as they form
c. To enhance the formation of fibrous clots
d. To preserve platelet function - ✔✔ANS: A

The primary use of heparin for patients with DIC is to prevent venous thrombosis, which can lead to
pulmonary embolism or stroke. Heparin does not break down blood clots, enhance the formation of
fibrous clots, or preserve platelet function

A patient experiences a blood clot in one leg, and the provider has ordered a thrombolytic medication.
The patient learns that the medication is expensive and asks the nurse if it is necessary. Which
response by the nurse is correct?
a. "The drug will decrease the likelihood of permanent tissue damage."
%


b. "This medication also acts to prevent future blood clots from forming."
c. "You could take aspirin instead of this drug to achieve the same effect."
d. "Your body will break down the clot, so the drug is not necessary." - ✔✔ANS: A

Thrombolytic medications are given primarily to prevent permanent tissue damage caused by
compromised blood flow to the affected area. Thrombolytics do not prevent clots from forming. Aspirin
prevents, but does not dissolve, clots. Although the body will break down the clot, the drug is needed
to prevent tissue damage due to active ischemia.

A patient has been receiving intravenous heparin. When laboratory tests are drawn, the nurse has
difficulty stopping bleeding at the puncture site. The patient has bloody stools and is reporting
abdominal pain. The nurse notes elevated partial thromboplastin time (PTT) and activated PPT
(aPTT). Which action will the nurse perform?
a. Ask for an order for oral warfarin (Coumadin).
b. Obtain an order for protamine sulfate.
c. Request an order for vitamin K.
d. Suggest that the patient receive subcutaneous heparin. - ✔✔ANS: B

Protamine sulfate is given as an antidote to heparin when a patient's clotting times are elevated. Oral
warfarin will not stop the anticoagulant effects of heparin. Vitamin K is used as an antidote for


stuvia

, STUVIA 2024/2025
warfarin. Administering heparin by another route is not indicated when there is a need to reverse the
effects of heparin.

A patient is receiving a thrombolytic medication. The patient calls the nurse to report having bloody
diarrhea. The nurse will anticipate administering which medication?
a. Aminocaproic acid (Amicar)
b. Enoxaparin sodium (Lovenox)
c. Protamine sulfate
d. Vitamin K - ✔✔ANS: A

The antithrombotic drug aminocaproic acid is used to treat hemorrhage. Nurses giving thrombolytic
drugs should monitor patients for bleeding from the mouth and rectum. Enoxaparin is given for DIC.
Protamine sulfate is an antidote for heparin. Vitamin K is an antidote for warfarin.

A patient is taking clopidogrel (Plavix). When teaching this patient about dietary restrictions while
taking this medication, the nurse will instruct the patient to avoid excessive consumption of which
food?
a. Garlic
b. Grapefruit
c. Green, leafy vegetables
%

d. Red meats - ✔✔ANS: A

Patients taking this drug may experience increased bleeding when taken with garlic. There is no
restriction for grapefruit as there is with many other medications. Green, leafy vegetables should be
restricted in patients taking warfarin. Red meats are not contraindicated.

A patient who has received heparin after previous surgeries will be given enoxaparin sodium
(Lovenox) after knee-replacement surgery. The patient asks how this drug is different from heparin.
The nurse will explain that the benefit of enoxaparin over heparin is that it:
a. decreases the need for laboratory tests.
b. has a shorter half-life than heparin.
c. increases the risk of hemorrhage.
d. may be taken orally instead of subcutaneously. - ✔✔ANS: A

Enoxaparin is a low-molecular-weight heparin, which produces more stable responses at lower
doses, thus reducing the need for frequent lab monitoring. It has a longer half-life than heparin. It
decreases the risk of hemorrhage because it is more stable at lower doses. It is given
subcutaneously.




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