A nurse is preparing to administer ondansetron 0.15 mg/kg IV to a child who is receiving chemotherapy and weighs 29.4 kg. Available is ondansetron 4 mg/2 mL solution. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2.2"]
To calculate the dose of ondansetron for a child who is receiving chemotherapy, the nurse needs to use the following formula:
Dose (mL) = (Dose ordered in mg / Dose available in mg) x Volume available in mL
In this case, the dose ordered in mg is 0.15 mg/kg x 29.4 kg, which equals 4.41 mg. The dose available in mg is 4 mg, and the volume available in mL is 2 mL. Therefore, the dose in mL is:
Dose (mL) = (4.41 mg / 4 mg) x 2 mL Dose (mL) = 2.205 mL
The nurse should round the answer to the nearest tenth, so the final answer is 2.2 mL. The nurse should administer 2.2 mL of ondansetron IV to the child who is receiving chemotherapy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Bilateral cool extremities can be common after a cardiac catheterization due to transient vasoconstriction but is not necessarily an immediate concern if perfusion remains adequate.
B. Blood pressure of 102/58 mm Hg is within the normal range for a toddler and does not require reporting.
C. Serum glucose of 90 mg/dL is within normal limits for a toddler and does not indicate a complication.
D. Weak pedal pulse distal to the site should be reported because it may indicate arterial occlusion or compromised circulation following the procedure. While pulses may initially be weak due to swelling, they should not be absent or significantly diminished over time.
Correct Answer is A
Explanation
A. This statement demonstrates an understanding of a helpful strategy for managing encopresis. Having the child try to defecate 15 minutes after each meal can take advantage of the body's natural reflexes and increase the likelihood of regular bowel movements.
B. Limiting fluid intake is not a recommended strategy for managing encopresis.
Maintaining proper hydration is important for overall health.
C. Having the child sit on the toilet for extended periods of time may lead to frustration and aversion to toilet training. It is not a recommended approach.
D. Increasing dairy intake is not a specific strategy for managing encopresis. In fact, some dairy products can contribute to constipation in some individuals. A balanced diet with an appropriate amount of fiber is important for bowel regularity.
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