CHAPTER 19: AGENTS AFFECTING BLOOD CLOTTING

CHAPTER 19: AGENTS AFFECTING BLOOD CLOTTING

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

1. The client is receiving heparin by continuous intravenous infusion. While getting out of bed, the client lacerates her arm on the bed rail. The laceration begins to bleed profusely. What is the first action of the nurse?

a.	Call the health care provider.
b.	Prepare an incident report.
c.	Apply pressure to the site.
d.	Check the results of the client’s last APTT (activated partial thromboplastin time).

 

 

ANS:  C

 

	Feedback
A	Incorrect: Although important, this can be delegated to an unlicensed staff.
B	Incorrect: This is completed after the client’s condition has been stabilized.
C	Correct: This is the nurse’s first action as basic application of first aid.
D	Incorrect: Although important, this is not the first nursing action.

 

 

PTS:   1                    REF:   p. 473            OBJ:   Cognitive Level: Application

 

2. The nurse is preparing to administer aminocaproic acid to a client. The nurse understands that this agent:

a.	increases clotting time.	c.	prolongs bleeding time.
b.	stops the flow of blood.	d.	dissolves clots.

 

 

ANS:  B

 

	Feedback
A	Incorrect: Aminocaproic acid does not increase clotting time.
B	Correct: Aminocaproic acid is a hemostatic agent used to stop the flow of blood.
C	Incorrect: Aminocaproic acid does not prolong clotting time.
D	Incorrect: Aminocaproic acid does not dissolve clots.

 

 

PTS:   1                    REF:   p. 469            OBJ:   Cognitive Level: Comprehension

 

3. The nurse is preparing to instill which agent to clear fibrin from the client’s central venous catheters?

a.	heparin	c.	urokinase
b.	warfarin	d.	enoxaparin

 

 

ANS:  C

 

	Feedback
A	Incorrect: Heparin will not dissolve fibrin clots.
B	Incorrect: Warfarin is an oral anticoagulant.
C	Correct: Urokinase is a thrombolytic agent used to clear fibrin from CVADs.
D	Incorrect: Enoxaparin is a low molecular weight heparin agent.

 

 

PTS:   1                    REF:   p. 468            OBJ:   Cognitive Level: Comprehension

 

4. The client is prescribed warfarin 7.5 mg daily. The medication is supplied as 5 mg tablets. How many tablet(s) should the client receive?

a.	1/2	c.	2
b.	1	d.	1 1/2

 

 

ANS:  D

 

	Feedback
A	Incorrect: This is 1/3 the prescribed dose.
B	Incorrect: This is 2/3 the prescribed dose.
C	Incorrect: This is 10 mg thus exceeding the prescribed dose.
D	Correct: 7.5 mg divided by 5 mg = 1.5 tablets = 1 1/2 tablets

 

 

PTS:   1                    REF:   p. 102            OBJ:   Cognitive Level: Application

 

5. Alteplase is administered to a client following the diagnosis of acute myocardial infarction. The nurse realizes that for effectiveness the alteplase treatment begins within:

a.	7-8 hours.	c.	8-10 hours.
b.	4-6 hours.	d.	12-15 hours.

 

 

ANS:  B

 

	Feedback
A	Incorrect: For the most benefit, alteplase should be administered within 4-6 hours.
B	Correct: For the most benefit, alteplase should be administered within 4-6 hours.
C	Incorrect: This will not provide the time frame for the most effectiveness of alteplase.
D	Incorrect: This will not provide the time frame for the most effectiveness of alteplase.

 

 

PTS:   1                    REF:   p. 469            OBJ:   Cognitive Level: Comprehension

 

The client is a 71-year-old retired carpenter who underwent a colon resection because of a primary obstructive colon tumor. While recuperating from surgery, the client developed pain in his right thigh. His health care provider prescribes bed rest, use of heparin via a heparin lock, and warfarin sodium (Coumadin) 5 mg daily.