Chapter 27 Drugs Used to Treat Thromboembolic Disorders

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Chapter 27  Drugs Used to Treat Thromboembolic Disorders

 

 

Complete Chapter Questions And Answers
 

Sample Questions

 

MULTIPLE CHOICE

1. A trauma patient arrives in the emergency department via EMS. He is bleeding profusely. A medical alert bracelet indicates that he is on heparin therapy. The nurse will most likely administer which medication that counteracts the action of heparin?
A.
Warfarin sodium (Coumadin)
B.
Enoxaparin (Lovenox)
C.
Protamine sulfate
D.
Vitamin K

ANS: C

Feedback
A
Warfarin is an anticoagulant and would not counteract hemorrhage.
B
Lovenox is chemically related to heparin and would not counteract hemorrhage.
C
Protamine sulfate is the antidote to heparin. With the patient’s risk of fluid volume deficit as a result of trauma, the primary intervention would be to counteract the effects of heparin to prevent hemorrhage.
D
Vitamin K is used to control the bleeding that results from use of warfarin (Coumadin), not heparin.

DIF: Cognitive Level: Comprehension REF: 429
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity

2. A patient receiving IV heparin therapy for a deep vein thrombosis in his right calf asks why his calf remains painful, edematous, and warm to touch after 2 days of anticoagulant therapy. Which response by the nurse is most accurate?
A.
“It takes at least 3 days for the symptoms to resolve once the clot dissolves.”
B.
“Heparin does not dissolve blood clots, but neutralizes clotting factors, preventing extension of the clot and the possibility of it traveling elsewhere in your body.”
C.
“I will report this to your health care provider because there may be a need to look at alternative treatments.”
D.
“You appear anxious. The health care provider will eventually put you on ticlopidine, which allows for an earlier discharge.”

ANS: B

Feedback
A
It is inappropriate to tell a patient how long it will take to dissolve a clot.
B
Heparin is used to treat a thromboembolism and promote neutralization of activated clotting factors, preventing the extension of thrombi and the formation of emboli. Heparin will minimize tissue damage by preventing it from developing into an insoluble, stable thrombus.
C
The patient’s question does not warrant notification of the health care provider.
D
Telling the patient that the health care provider will be starting the patient on ticlopidine is inappropriate and inaccurate.

DIF: Cognitive Level: Analysis REF: 419
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Physiological Integrity

3. A patient is receiving IV heparin therapy. The aPTT is 90; the laboratory control is 30 seconds. Which nursing intervention is most accurate?
A.
Document in the nursing notes that these results are within therapeutic range.
B.
Note the RBC count and wait for the health care provider to make the next round to discuss all laboratory values.
C.
Stop the heparin drip.
D.
Assess the patient for signs and symptoms of decreased sensorium.

ANS: C

Feedback
A
These results are not within the normal therapeutic range.
B
RBC count is not relevant in assessing therapeutic response to anticoagulation.
C
Heparin dosage is considered to be in the normal therapeutic range if the aPTT is 1.5 to 2.5 times the control value. The patient’s aPTT value is above the therapeutic range, which puts her at risk for hemorrhage. The most appropriate nursing action would be to stop the heparin drip.
D
Mental status is not relevant in assessing therapeutic response to anticoagulation.

DIF: Cognitive Level: Application REF: 428
TOP: Nursing Process Step: Assessment
MSC: NCLEX Client Needs Category: Physiological Integrity

4. Which is an accurate nursing action when administering subcutaneous enoxaparin, a low molecular weight heparin product?
A.
Expel the air bubble from the prefilled syringe.
B.
Leave the needle in place for 10 seconds after injection.
C.
Administer the medication into the deltoid muscle.
D.
Massage the site after injection to increase absorption.

ANS: B

Feedback
A
Air is not expelled from the prefilled syringe.
B
The needle is left in place for 10 seconds after injection
C
This medication is not administered intramuscularly.
D
The site should not be massaged to reduce local bleeding.

DIF: Cognitive Level: Application REF: 426
TOP: Nursing Process Step: Implementation
MSC: NCLEX Client Needs Category: Safe, Effective Care Environment

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