The healthcare provider prescribes interferon beta-1b 0.125 mg every other day for a client with multiple sclerosis. The nurse reconstitutes the single-use vial of powder labeled, "0.3 mg with 2 mL of sterile water." How many mL should the nurse administer to the client? (Enter the numerical value only. If rounding is required, round to the nearest tenth.)
The Correct Answer is ["0.8"]
The vial contains 0.3 mg of medication, which has been reconstituted with 2 mL of sterile water. Therefore, each milliliter of solution contains 0.15 mg of medication.
The prescribed dose is 0.125 mg, so the nurse should administer \( \frac{0.125\ mg}{0.15\ mg/mL} = 0.8333 \) mL of the solution.
After rounding to the nearest tenth, the nurse should administer 0.8 mL of the reconstituted solution to the client every other day.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Inserting a nasogastric tube (NGT) and attaching it to low intermittent suction would be appropriate in this situation. Dark brown emesis could indicate gastrointestinal bleeding, which may require gastric decompression to prevent further vomiting and assess the volume and characteristics of the gastric contents.
B. Placing an indwelling urinary catheter and attaching a bedside drainage unit is not the priority intervention in this scenario.
C. Sending the client to x-ray for a flat plate of the abdomen may provide diagnostic information, but it is not the most immediate intervention needed in this situation.
D. Giving a prescribed analgesic for a temperature above 101°F (38.3°C) is not the priority intervention in this scenario.
Correct Answer is ["38"]
Explanation
Drop rate (gtt/min) = Volume to be infused (mL)/ Time of infusion (minutes) × Drop factor (gtt/mL)
Given:
Volume to be infused (V) = 75 mL Time of infusion (T) = 30 minutes Drop factor = 15 gtt/mL
Using the formula:
Drop rate (gtt/min)= [75/30]*15 Drop rate (gtt/min)=2.5×15
Drop rate (gtt/min)=37.5
Rounding to the nearest whole number, the nurse should regulate the IV to deliver approximately 38 gtt/minute.
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