NCLEX Pharmacology Quiz 18 Cardiovascular Drugs
All questions are shown, but the results will only be given after you’ve finished the quiz. You are given 1 minute per question, a total of 10 minutes in this quiz.
- 1.
Kylie is reviewing drugs related to cardiovascular therapies. She should be aware that the desired action of lipid-lowering agents is to:
- A.
Decrease HDL
- B.
Increase TC
- C.
Increase LDL
- D.
Increase HDL
Correct Answer
D. Increase HDLExplanation
The desired effect of lipid-lowering agents is to decrease cardiac risk by lowering TC. TG. and LDL and increasing or maintaining HDL.Rate this question:
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- 2.
For lipid-lowering agents to be successful. drug therapy must lower:
- A.
HDL
- B.
LDL
- C.
Total fat
- D.
All of the above
Correct Answer
B. LDLExplanation
An elevated LDL is the most significant risk factor for the development of atherosclerosis; therefore. for drug therapy to be effective. LDL must be reduced.Rate this question:
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- 3.
As a competent nurse. you know that the most significant contraindication for therapy with lipid-lowering agent is:
- A.
Renal disease
- B.
Diabetes
- C.
Liver disease
- D.
Cardiac disease
Correct Answer
C. Liver diseaseExplanation
All lipid-lowering agents except the bile acid sequestrants are potentially hepatotoxic. so the most significant contraindication is liver disease.Rate this question:
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- 4.
Which of the following vitamins may not be absorbed properly when giving bile acid sequestrants?
- A.
Vitamin B
- B.
Vitamin C
- C.
Vitamin B12
- D.
Vitamin K
Correct Answer
D. Vitamin KExplanation
Vitamin K absorption may be reduced when giving these drugs. The only fat-soluble vitamin here is vitamin K. which is synthesized in the liver.Rate this question:
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- 5.
Which of the following lipid-lowering agents has the common side effect of constipation?
- A.
Lovastatin (Mevacor)
- B.
Colestipol (Colestid)
- C.
Gemfibrozil (Lopid)
- D.
Niacin (Nicotinic acid)
Correct Answer
A. Lovastatin (Mevacor)Explanation
Mevacor is known to cause constipation.Rate this question:
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- 6.
Parenteral anticoagulants work by disrupting:
- A.
Conversion of prothrombin to thrombin
- B.
Formation of thromboplastin
- C.
Vitamin K-dependent clotting factors
- D.
Conversion of prothrombin to fibrin
Correct Answer
A. Conversion of prothrombin to thrombinExplanation
Parenteral anticoagulants such as heparin work by disrupting conversion of prothrombin to thrombin. Tissue thromboplastin is formed in the extrinsic pathway as tissue is damaged. Oral anticoagulants work by interfering with vitamin K-dependent clotting factors. Prothrombin does not convert to fibrin.Rate this question:
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- 7.
SC heparin should be administered in the:
- A.
Flank
- B.
Abdominal fat
- C.
Leg
- D.
Gluteal area
Correct Answer
B. Abdominal fatExplanation
Heparin should be given in the abdominal area around the umbilicus. deep into the fat.Rate this question:
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- 8.
The half-life of heparin is:
- A.
10 minutes
- B.
1 to 1.5 hours
- C.
8 to 12 hours
- D.
1 to 2 days
Correct Answer
B. 1 to 1.5 hoursExplanation
The half-life of heparin is 60 to 90 minutes. This is important to know when bleeding occurs during heparin administration.Rate this question:
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- 9.
Which drug is used to stop bleeding associated with heparin overdose?
- A.
Urokinase (Abbokinase)
- B.
Aminocaproic acid (Amicar)
- C.
Vitamin K (AquaMEPHYTON)
- D.
Protamine sulfate (Protamine)
Correct Answer
D. Protamine sulfate (Protamine)Explanation
Protamine is the drug used to reverse the adverse effects of bleeding that occurs with heparin administration.Rate this question:
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- 10.
During warfarin (Coumadin) administration. the nurse can expect that the initial extension of PT occurs within _____ hours after therapy begins.
- A.
1 to 2
- B.
4 to 6
- C.
8 to 12
- D.
12 to 24
Correct Answer
C. 8 to 12Explanation
Initial extension of PT occurs within 8 to 12 hours after warfarin therapy begins.Rate this question:
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Mar 21, 2023Quiz Edited by
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Aug 08, 2017Quiz Created by
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