A nurse is preparing to administer ondansetron 0.15 mg/kg IV to 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?
The Correct Answer is ["2.2"]
Step 1 is to calculate the total dose of ondansetron required. This is done by multiplying the child’s weight by the dose per kilogram. So, 29.4 kg × 0.15 mg/kg = 4.41 mg.
Step 2 is to calculate the volume of the solution required. This is done by dividing the total dose by the concentration of the solution. So, 4.41 mg ÷ (4 mg/2 mL) = 2.205 mL. The final calculated answer is that the nurse should administer approximately 2.2 mL of the ondansetron solution.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D"]
Explanation
Choice A rationale
Providing a pacifier coated with an oral sucrose prior to injections can help reduce the infant’s pain response. The sweetness of the sucrose can distract the infant and provide some comfort.
Choice B rationale
Injecting the immunizations into the deltoid muscle is not recommended for infants. The deltoid muscle is not usually used until children are older and have more muscle mass.
Choice C rationale
Using a 20-gauge needle for injections is not typically recommended for infants. Smaller gauge needles are usually used to minimize discomfort.
Choice D rationale
Applying a eutectic mixture of local anesthetics cream immediately before the injections can help numb the skin and reduce pain. This can make the injection process less distressing for the infant.
Correct Answer is B
Explanation
Choice A rationale
Osteomyelitis is an infection of the bone, typically caused by bacteria. While it can occur as a complication of a fracture, it is not the most immediate concern within the first 24 hours after injury.
Choice B rationale
Compartment syndrome is a serious condition that involves increased pressure in a muscle compartment. It can lead to muscle and nerve damage and problems with blood flow. It can develop within hours of a severe injury like a fracture. Therefore, it is crucial to monitor for signs of compartment syndrome, such as severe pain, paleness, numbness, or decreased strength, in the first 24 hours after a fracture.
Choice C rationale
Volkmann ischemic contracture is a condition that can occur if there is prolonged or severe muscle ischemia (lack of blood flow) following a fracture. However, this condition is not typically seen within the first 24 hours after injury.
Choice D rationale
Renal calculi, or kidney stones, are hard deposits made of minerals and salts that form inside your kidneys. They are not a complication that would arise within the first 24 hours after a fracture.
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