Chap 26 (exam 3)

Question 1

A drug that prevents the lysis of fibrin, thereby promoting clot formation

Answer 1

Antifibrinolytic

Question 2

The termination of bleeding by mechanical or chemical means

Answer 2

Hemostasis

Question 3

A substance that prevents platelet plugs from forming

Answer 3

Antiplatelet drug

Question 4

The general term for a drug that dissolves thrombi

Answer 4

Thrombolytic drug

Question 5

The general term for a substance that prevents or delays coagulation of the blood

Answer 5

Anticoagulant

Question 6

A laboratory test used to measure the effectiveness of heparin therapy

Answer 6

Activated partial thromboplastin time (aPPT)

Question 7

Two tests used to monitor the effects of drug therapy with warfarin sodium

Answer 7

Prothrombin time (PT)
International Normalized Ratio (INR)

Question 8

A standardized measure of the degree of coagulation achieved by drug therapy with warfarin sodium

Answer 8

International Normalized Ratio (INR)

Question 9

A substance that reverses the effect of heparin

Answer 9

Protamine Sulfate

Question 10

A substance that reverses the effect of warfarin sodium

Answer 10

Vitamin K

Question 11

A pharmaceutically available tissue plasminogen activator (tPA) that is created through recombinant DNA techniques

Answer 11

Alteplase (Activase)

Question 12

A blood clot that dislodges and travels through the bloodstream

Answer 12

Embolus

Question 13

The nurse is reviewing the use of anticoagulants. Anticoagulant therapy is appropriate for which conditions? Select all that apply:
Atrial fibrillation
Thrombocytopenia
Myocardial infarction
Presence of mechanical heart valve
Aneurysm
Leukemia

Answer 13

Atrial fibrillation
Myocardial infarction
Presence of mechanical heart valve

Question 14

During teaching of a patient who will be taking warfarin sodium (Coumadin) at home, which statement by the nurse is correct regarding over-the-counter drug use?
Choose nonsteroidal anti-inflammatory drugs as needed for pain relief
Aspirin products may result in increased bleeding
Vitamin E therapy is recommended to improve the effect of warfarin
Mineral oil is the laxative of choice while taking anticoagulants

Answer 14

Aspirin products may result in increased bleeding

Question 15

A patient is at risk for a stroke. Which drug is recommended to prevent paltelet aggregation for stroke prevention by the American Stroke Society?
Aspirin
Warfarin sodium (Coumadin)
Heparin
Alteplase (Activase)

Answer 15

Aspirin

Question 16

While administering subcutaneous heparin, the nurse will remember to perform which action?
Use the same sites for injection to reduce trauma
Use a 1-inch needle for subcutaneous injections
Inject the medication without aspirating for blood return
Massage the site after the injection to increase absorption

Answer 16

Inject the medication without aspirating for blood return

Question 17

During thrombolytic therapy, the nurse monitors for bleeding. Which symptoms may indicate a serious bleeding problem? Select all that apply:
Hypertension
Hypotension
Decreased level of consciousness
Increased pulse rate
Restlessness

Answer 17

Hypotension
Decreased level of consciousness
Increased pulse rate
Restlessness

Question 18

Which drug is most often used for deep vein thrombosis (DVT) prevention after major orthopedic surgery, even after the patient has gone home?
Antiplatelet drugs, such as aspirin
Adenosine diphosphate (ADP) inhibitors, such as clopidogrel (Plavix)
Anticoagulants, such as warfarin sodium (Coumadin)
Low-molecular-weight heparins, such as enoxaparin (Lovenox)

Answer 18

Low-molecular-weight heparins, such as enoxaparin (Lovenox)

Question 19

The nurse is preparing a patient’s morning medications and, upon reviewing the list of drugs, notes that the patient is to receive heparin 5,000 units and enoxaparin (Lovenox), both subcutaneously. What is the nurse’s priority action at this time?
Administer the drugs in separate sites
Hold the drugs and clarify the order with the prescriber
Administer the enoxaparin and hold the heparin
Check the patient’s aPTT

Answer 19

Hold the drugs and clarify the order with the prescriber