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","B"]
Explanation
Choice A rationale
Placing gates at the top and bottom of stairs is an important safety measure for infants. This can prevent falls, which are a common cause of injury in this age group.
Choice B rationale
Ensuring the crib mattress is in the lowest position is another important safety measure. As infants grow and begin to sit, stand, and climb, a high mattress position can increase the risk of falls.
Choice C rationale
Removing labels from containers that contain toxic substances is not recommended. It’s important to keep these substances out of reach of children, and the labels provide important information about the contents and potential hazards.
Choice D rationale
Keeping toilet lids in the upright position is not recommended. Infants can be curious and may try to explore or play with water in the toilet, which can lead to accidents or injuries.
Choice E rationale
Selecting a toy chest that has a heavy, hinged lid is not recommended. This could pose a risk of injury if the lid were to close unexpectedly, and small fingers could get caught.
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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