A nurse is caring for a client who has a deep vein thrombosis, who received IV heparin for the past 5 days, and now has a new prescription for oral warfarin in addition to the heparin. The client asks the nurse if both medications are necessary. Which of the following is an appropriate response by the nurse?
"Heparin enhances the effects of the warfarin."
"Both heparin and warfarin work together to dissolve the clots."
"Heparin will be continued until the warfarin reaches a therapeutic level!"
"I will ask the charge nurse to call your provider and get an explanation"
The Correct Answer is C
A) "Heparin enhances the effects of the warfarin.": This statement is incorrect. Heparin and warfarin work through different mechanisms. Heparin acts quickly by inhibiting clot formation through antithrombin, while warfarin acts slower by inhibiting vitamin K-dependent clotting factors. They do not directly enhance each other's effects.
B) "Both heparin and warfarin work together to dissolve the clots.": This is inaccurate. Neither heparin nor warfarin dissolve existing clots; they prevent new clots from forming and existing clots from growing. The body's natural processes will eventually dissolve the clot.
C) "Heparin will be continued until the warfarin reaches a therapeutic level!": This is correct. Heparin is used initially because it acts quickly. Warfarin takes several days to reach therapeutic levels. Overlapping the two ensures continuous anticoagulation until warfarin is effective.
D) "I will ask the charge nurse to call your provider and get an explanation.": While involving the provider for further explanation can be helpful, it does not directly answer the client’s question. Providing accurate information about the overlapping use of heparin and warfarin is more appropriate in this context.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) "It’s a good idea to help make sure your husband can sleep comfortably":
While the partner's intention may be to ensure the client's comfort, PCA pumps are designed for the client to self-administer medication according to their own pain level. Allowing the partner to administer doses without the client's input may lead to overmedication or misuse of the PCA pump.
B) "Next time you think he needs more medication, call me and I’ll push the button":
This response encourages the partner to involve the nurse in determining when additional medication is needed, which is appropriate. However, the ideal approach with a PCA pump is for the client to self-administer doses based on their own pain assessment and to communicate directly with the nurse if assistance is needed.
C) "Why do you think your husband needs more medication when he is asleep?":
This response may come across as confrontational and could imply mistrust in the partner's actions. It's important to address the situation without causing discomfort or defensiveness.
D) "Your husband should decide when more medication is needed":
This is the correct response because PCA pumps are specifically designed for the client to control their pain management. The client is encouraged to use the PCA pump to administer medication when they feel they need it, based on their own pain assessment. The partner's role should be to support and assist the client as needed, rather than making decisions about medication administration.
Correct Answer is A
Explanation
A) Triazolam orally at bedtime:
Triazolam is a benzodiazepine medication used for its sedative and anxiolytic properties. It can cause daytime sedation and impair psychomotor function, making activities such as driving hazardous. Instructing the client to avoid performing such activities while taking triazolam ensures their safety and minimizes the risk of accidents.
B) Polyethylene glycol dissolved in 240 ml of water once daily:
Polyethylene glycol is a osmotic laxative used to treat constipation. It does not cause sedation or impair cognitive function, so there is no need to avoid hazardous activities while taking this medication.
C) Adalimumab subcutaneously every 2 weeks:
Adalimumab is a biologic medication used to treat autoimmune diseases such as rheumatoid arthritis and inflammatory bowel disease. It does not typically cause sedation or impair cognitive function, so hazardous activities are generally not restricted while taking adalimumab.
D) Ketoconazole orally once daily with food:
Ketoconazole is an antifungal medication that does not usually cause sedation or impair cognitive function. There is no specific restriction on hazardous activities while taking ketoconazole unless the client experiences unusual side effects affecting alertness or coordination, which should be discussed with a healthcare provider.
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