A nurse is preparing to administer ondansetron 4 mg IM stat.
The amount available is ondansetron for injection 2 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number.
(Use a leading zero if it applies. Do not use a trailing zero)
The Correct Answer is ["2"]
Step 1 is: Determine the concentration of the medication available. 2 mg/mL.
Step 2 is: Calculate the volume needed to administer 4 mg. 4 mg ÷ 2 mg/mL = 2 mL. The nurse should administer 2 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
A high-purine diet is a known risk factor for urolithiasis (kidney stones). Purines are broken down into uric acid, which can form crystals and stones in the kidneys.
Choice B rationale
Low levels of serum calcium are not a risk factor for urolithiasis. In fact, high levels of calcium in the urine (hypercalciuria) are more commonly associated with kidney stones.
Choice C rationale
Female gender is not a significant risk factor for urolithiasis. Men are generally more likely to develop kidney stones than women.
Choice D rationale
Drinking large quantities of fluids is not a risk factor for urolithiasis. In fact, adequate hydration is recommended to help prevent the formation of kidney stones.
Correct Answer is A
Explanation
Choice A rationale
Serving cooked fruit with meals is an appropriate intervention for a client with a low WBC count after chemotherapy. Cooking fruit helps eliminate potential pathogens, reducing the risk of infection.
Choice B rationale
Reporting temperatures greater than 39.5°C (102.3°F) lasting more than 4 hours is not appropriate. A lower threshold for fever should be used, as even a slight increase in temperature can indicate infection in immunocompromised clients.
Choice C rationale
Placing the client in a room with negative-pressure airflow is not necessary for clients with low WBC counts. This intervention is typically used for clients with airborne infections.
Choice D rationale
Instructing the client to use an incentive spirometer every 4 hours is beneficial for lung health but does not directly address the risk of infection associated with low WBC counts.
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