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 B
Explanation
A. Rotavirus vaccine is not typically indicated for adolescents. It is usually administered to infants.
B. Correct. Adolescents with sickle cell anemia are at increased risk for infections,
including those caused by Streptococcus pneumoniae. The pneumococcal conjugate vaccine (PCV) helps protect against certain types of pneumococcal bacteria.
C. The MMR vaccine provides immunity against measles, mumps, and rubella, but it is not specifically indicated for adolescents with sickle cell anemia. They should receive
this vaccine as recommended for their age group.
D. The RSV vaccine is primarily recommended for infants and young children at high risk for severe respiratory syncytial virus (RSV) infection. It is not typically indicated for adolescents with sickle cell anemia.
Correct Answer is C
Explanation
A. Assisting the child into a supine position is contraindicated in acute epiglottitis. This can lead to airway obstruction. The child should be allowed to assume a position of comfort, which is typically sitting up and leaning forward.
B. While obtaining a throat culture may be indicated for diagnostic purposes, it is not the first priority in the care of a child with acute epiglottitis. The immediate concern is ensuring airway patency and providing appropriate respiratory support.
C. This is the correct action. Acute epiglottitis is a potentially life-threatening condition that can rapidly lead to airway obstruction. Initiating droplet isolation precautions helps protect healthcare providers and other patients from potential transmission of the causative organism (often Haemophilus influenzae type B).
D. Checking oxygen saturation every 4 hours is important for monitoring respiratory status, but in the case of acute epiglottitis, continuous monitoring of oxygen saturation is often necessary due to the risk of sudden airway obstruction. This action does not address the immediate priority of ensuring a patent airway.
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