An intravenous (IV) antibiotic is prescribed for a patient with a postoperative infection. The medication is to be administered in 4 divided doses.
Which schedule is best for administering this prescription?
1000, 1600, 2200, 0400.
Administer with meals and a bedtime snack.
Give in equally divided doses during waking hours.
0800, 1200, 1600, 2000.
The Correct Answer is D
Choice A rationale
Administering the medication at 1000, 1600, 2200, and 0400 would not be the best schedule because it does not evenly distribute the doses throughout the day. This could lead to periods of subtherapeutic medication levels and periods of potential toxicity.
Choice B rationale
Administering the medication with meals and a bedtime snack is not the best schedule for this medication. While some medications need to be administered with food, there is no indication
that this medication needs to be. Furthermore, this schedule could lead to uneven distribution of the medication throughout the day.
Choice C rationale
Giving the medication in equally divided doses during waking hours is not the best schedule because it does not take into account the half-life of the medication or the patient’s sleep schedule. This could lead to subtherapeutic levels of the medication during the night.
Choice D rationale
Administering the medication at 0800, 1200, 1600, and 2000 is the best schedule for this medication. It evenly distributes the doses throughout the day, which can help maintain a therapeutic level of the medication and reduce the risk of toxicity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Restricted activity can help reduce intestinal activity, thereby decreasing inflammation and allowing for tissue healing within the gastrointestinal tract.
Choice B rationale
While controlling diarrhea episodes is an important aspect of managing Crohn’s disease, it is not the primary purpose of activity restriction.
Choice C rationale
Promoting the healing process is a crucial aspect of managing Crohn’s disease. However, the primary purpose of activity restriction is to reduce intestinal activity, which in turn can promote healing.
Choice D rationale
Decreasing abdominal pain is an important aspect of managing Crohn’s disease, but it is not the primary purpose of activity restriction.
Correct Answer is A
Explanation
Choice A rationale
Heparin is an anticoagulant medication that prevents the formation of blood clots. One of the most common and serious side effects of heparin therapy is bleeding. Therefore, it is crucial for the nurse to observe for signs of bleeding, such as bruising, petechiae, hematomas, black tarry stools, hematuria, and changes in mental status. Regular laboratory monitoring of the client’s coagulation status, specifically the activated partial thromboplastin time (aPTT), is also necessary to ensure therapeutic levels of heparin without causing excessive bleeding.
Choice B rationale
While mobilization can help prevent the formation of new clots, it is not the most important intervention for a client who is already on a heparin protocol for DVT. Mobilization can potentially dislodge the existing clot, leading to a life-threatening pulmonary embolism.
Choice C rationale
Although it is important to monitor vital signs in all clients, assessing blood pressure and heart rate every 4 hours is not the most important intervention for a client on a heparin protocol.
Changes in blood pressure and heart rate are not specific to heparin therapy and do not provide direct information about the effectiveness or side effects of the medication.
Choice D rationale
Measuring each calf’s girth can help evaluate the progression of edema in the affected leg, but it is not the most important intervention for a client on a heparin protocol. While it can provide information about the local effects of the DVT, it does not address the systemic anticoagulation effects of heparin therapy.
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