A nurse is caring for a client who has a thrombus and is receiving a continuous infusion of heparin. The client asks the nurse how long it will take for the heparin to dissolve the clot.
Which of the following responses should the nurse make?
"The time it takes for heparin to dissolve a clot depends on the size of the clot.".
"The time it takes for heparin to dissolve a clot varies between clients.".
"Usually, it takes at least 2 to 3 days for heparin to dissolve a clot.".
"Heparin prevents new clots from forming rather than dissolving existing ones.".
The Correct Answer is D
Heparin is an anticoagulant that is used to decrease the clotting ability of the blood and help prevent harmful clots from forming in blood vessels 1.
However, heparin will not dissolve blood clots that have already formed, but it may prevent the clots from becoming larger and causing more serious problems 12.
Choices A, B, and C are incorrect because heparin does not dissolve existing clots. Instead, it works to prevent new clots from forming 12.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The nurse should administer 2 tablets of lorazepam 1 mg to give a total dose of 2 mg.
This is calculated by dividing the desired dose (2 mg) by the available dose (1 mg/tablet) to get the number of tablets needed: 2 mg / (1 mg/tablet) = 2 tablets.
Choice A, 1 tablet, is not the correct answer because it would only provide a total dose of 1 mg.
Choice C, 3 tablets, is not the correct answer because it would provide a total dose of 3 mg.
Choice D, 4 tablets, is not the correct answer because it would provide a total dose of 4 mg.
Correct Answer is A
Explanation
The client should remove the used patch with medication areas to the inside and discard it in a closed receptacle 1.
Choice B is incorrect because the nitroglycerin patch should not be kept in place for 24 hours per day.
Instead, it should be worn for 12 to 14 hours and then removed 12.
Choice C is incorrect because while it is important to apply the patch to a clean, dry skin area with little or no hair that is free of scars, cuts, or irritation 1, there is no specific instruction to cleanse excess hair from the skin before applying the patch.
Choice D is incorrect because a second patch should not be applied if angina pain occurs.
Nitroglycerin transdermal patches are used to reduce the number of angina attacks over a long time and will not relieve an attack that has already started because it works too slowly 1.
Instead, the client should check with their doctor if they also need a fast-acting medicine to relieve the pain of an angina attack 1.
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