Deck 28: Coagulation Modifier Drugs

Question 1

A patient is taking anticoagulant therapy.Which of the following natural health products should the patient avoid taking?

A)Valerian
B)Ginkgo
C)St. John's wort
D)Saw palmetto

Answer 1

Ginkgo

Question 2

Which of the following is a true statement about dipyridamole (Persantine)?

A)It has anti-inflammatory and antipyretic properties.
B)It has analgesic properties and antithrombotic effects.
C)It is useful for reducing the risk of fatal and nonfatal thrombotic stroke.
D)It is used as an adjunct to warfarin in the prevention of postoperative thromboembolic complications.

Answer 2

It is used as an adjunct to warfarin in the prevention of postoperative thromboembolic complications.

Question 3

Which of the following laboratory studies is used to monitor the therapeutic effects of warfarin (Coumadin)?

A)International normalized ratio (INR)
B)aPTT (activated partial thromboplastin time)
C)Vitamin K
D)Hematocrit

Answer 3

International normalized ratio (INR)

Question 4

A male patient will be receiving streptokinase (SK)as part of the treatment for acute myocardial infarction.He asks why he is being prescribed this drug.Which of the following is the nurse's best explanation to the patient?

A)To relieve chest pain
B)To prevent further clot formation
C)To dissolve the clot in his coronary artery
D)To control bleeding in the coronary microcirculation

Question 5

A patient has started on anticoagulant drugs.When the nurse is explaining the drug therapy,which of the following best describes the primary goal?

A)To prevent thrombus formation
B)To dissolve an existing thrombus
C)To stabilize an existing thrombus
D)To prevent the thrombus from becoming an embolus

Question 6

The nurse is administering heparin subcutaneously.Which of the following instructions is correct?

A)Aspirate before injecting.
B)Massage site after injection.
C)Apply heat to the injection site.
D)Use a new,sterile 1.5 cm (5/8-inch),25- to 28-gauge needle for the injection.

Question 7

A female patient has been prescribed warfarin (Coumadin)in addition to a heparin infusion.What is the reason for her receiving two anticoagulants?

A)The oral and injection forms work synergistically.
B)The combination of heparin and an oral anticoagulant results in fewer adverse effects than heparin used alone.
C)Oral anticoagulants are used to reach an adequate level of anticoagulation when heparin alone is unable to do so.
D)When oral anticoagulants are prescribed,heparin is often used to initiate therapy until laboratory tests indicate an adequate therapeutic response.

Question 8

What is the recommended antidote for warfarin (Coumadin)toxicity?

A)Vitamin E
B)Vitamin K
C)Protamine sulfate
D)Potassium phosphate

Question 9

A patient who is taking warfarin (Coumadin)therapy has a headache and wants to take a pain reliever.Which of the following actions is recommended?

A)Taking acetylsalicylic acid (Aspirin)tablets
B)Taking ibuprofen (Advil),a nonsteroidal anti-inflammatory drug (NSAID)
C)Taking acetaminophen (Tylenol)
D)Calling the office for an opioid order

Question 10

Which of the following laboratory studies is used to monitor the therapeutic effects of heparin?

A)Prothrombin time (PT)
B)aPTT (activated partial thromboplastin time)
C)Vitamin K
D)Hematocrit

Question 11

What is the most frequent undesirable adverse effect of thrombolytic therapy?

A)Dysrhythmias
B)Nausea and vomiting
C)Anaphylactic reactions
D)Internal and superficial bleeding

Question 12

Which of the following drugs is the recommended antidote for heparin toxicity?

A)Vitamin E
B)Vitamin K
C)Protamine sulfate
D)Potassium phosphate

Question 13

Which of the following statements is true for the patient receiving long-term acetylsalicylic acid (Aspirin)therapy?

A)Aspirin should be taken on an empty stomach to ensure maximal absorption.
B)Bleeding tendencies are not as much a concern for those taking aspirin therapy.
C)Laboratory studies should be done to monitor liver, renal, and clotting functions.
D)Development of a rash is expected and does not warrant discontinuing the medication.