The physician orders epoetin 30,000 units subcutaneously for anemia.
The medication is per the provided label on the supplemental exam sheet.
How many milliliters will the nurse administer? SEE LABEL #1 for drug availability.
The Correct Answer is ["1"]
The correct answer is 1 mL.
Step 1 is: Examine the medication label to determine the concentration of epoetin. The label indicates a concentration of 30,000 units per 1 mL.
Step 2 is: Set up the calculation to find the volume needed by dividing the ordered dose by the concentration: 30,000 units ÷ (30,000 units/mL).
Step 3 is: Perform the division: 30,000 ÷ 30,000 = 1.
Step 4 is: The units cancel out, leaving the volume in milliliters: 1 mL. Final answer is 1 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Securing the tube and retesting the pH in one hour is insufficient to confirm correct placement. While a pH of 3 suggests gastric placement (normal gastric pH is typically 1.5 to 3.5), it doesn't definitively rule out placement in the respiratory tract or intestines, as these can occasionally have acidic pH levels. Delaying definitive confirmation could lead to serious complications if the tube is misplaced.
Choice B rationale
Inserting the tube an additional 1-2 inches and retesting the pH is not a reliable method for confirming placement. Advancing the tube further without radiographic confirmation could increase the risk of trauma to the gastrointestinal tract or even pulmonary aspiration if the initial placement was incorrect. pH testing alone is not conclusive.
Choice C rationale
Auscultating for the "swoosh" of air while injecting air into the NG tube is an outdated and unreliable method for confirming placement. The sound can be misleading and may be heard even if the tube is incorrectly positioned in the esophagus or lungs. This method does not provide definitive proof of gastric placement and poses a risk of aspiration.
Choice D rationale
Obtaining an x-ray is the gold standard for confirming nasogastric tube placement. Radiographic imaging allows for direct visualization of the tube's trajectory and ensures that the distal tip is correctly positioned in the stomach or duodenum. This method provides the most accurate and reliable confirmation, minimizing the risk of complications such as aspiration or misadministration of feedings and medications.
Correct Answer is ["200"]
Explanation
Step 1 is: The total volume to be infused is 50 mL.
Step 2 is: The infusion time is 15 minutes.
Step 3 is: To find the milliliters per hour, first convert minutes to hours: 15 minutes ÷ 60 minutes/hour = 0.25 hours.
Step 4 is: Calculate the infusion rate in mL/hour: 50 mL ÷ 0.25 hours = 200 mL/hour. The nurse will infuse the drug at 200 mL per hour.
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