A nurse is preparing to administer phenytoin 50 mg IV bolus to a client Who has a seizure disorder. The medication is supplied as a 50 mg/mL vial. Which of the following actions should the nurse take?
Dilute the medication with sterile water before injecting.
Administer the medication over 1 min.
Follow the IV injection with sterile water.
Slow the injection if the medication crystallizes.
The Correct Answer is B
A. Diluting phenytoin with sterile water before injecting is not recommended, as phenytoin is incompatible with most used diluents. Diluting it can lead to precipitation and potentially cause adverse effects such as tissue irritation and phlebitis.
B. Administering the medication over 1 min is recommended. Phenytoin should be administered at a rate of 50mg/min.
C. Following the IV injection with sterile water is unnecessary and not indicated for administering phenytoin.
D. Phenytoin precipitates out of solution when mixed with certain diluents or when administered too quickly. Crystallized phenytoin can cause local irritation, tissue damage, and potentially more serious adverse effects. Therefore, it should not be administered at all.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Isosorbide is a nitrate vasodilator used to dilate coronary vessels to relieve angina. Sildenafil also dilates peripheral vessels reducing peripheral vascular resistance. Using the two drugs together may lead to lethal drop in blood pressure and shock.
A, B, and D are not contraindicated with Sildenafil as they do not have any significant drug interactions
Correct Answer is D
Explanation
Taking ferrous sulfate between meals enhances its absorption as some food substances can interfere with iron absorption. Therefore, it is generally recommended to take ferrous sulfate on an empty stomach, typically 1 hour before meals or 2 hours after meals. However, if gastrointestinal upset occurs when taking ferrous sulfate on an empty stomach, it can be taken with a small amount of food to minimize discomfort.
A. Antacids containing aluminum, calcium, or magnesium can bind with iron and reduce its absorption.
B. Dairy products, including yogurt, can also inhibit iron absorption due to the presence of calcium.
C. Taking it at bedtime increases the likelihood of gastrointestinal discomfort reducing its effectiveness due to interference from food.
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