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. The cream should be removed after it has been on the skin for the recommended amount of time. It is typically wiped off before the procedure.
B. The medication should applied repeatedly to provide analgesia
C. Washing the site with alcohol before applying the cream is not necessary and may cause unnecessary skin irritation.
D. Lidocaine and prilocaine cream typically require about 60 minutes to take effect.
Correct Answer is D
Explanation
A. Tremors are not a typical clinical manifestation of heart failure. They may be associated with conditions like hyperthyroidism or certain medications.
B. Bradycardia (slow heart rate) is not a typical finding in heart failure. In fact, tachycardia (fast heart rate) is more commonly associated with this condition.
C. Increased appetite is not a typical clinical manifestation of heart failure. Children with heart failure may actually experience poor appetite due to decreased cardiac output.
D. Correct. Tachypnea (rapid breathing) is a common clinical manifestation of heart
failure. It can occur as the body tries to compensate for the decreased cardiac output by increasing respiratory rate in an effort to maintain oxygenation.
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