A nurse is caring for a 1-month-old infant who weighs 3500 g and is prescribed a dose of cephazolin 50 mg/kg by intermittent IV bolus three times daily. How many mg should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero)
The Correct Answer is ["175"]
We are asked to calculate the dosage of cephazolin for a 1-month-old infant based on their weight.
Steps to solve: 1. Identify the given values:
- Dose per kg = 50 mg/kg
- Weight of the infant = 3500 g
2. Set up the formula: Dosage (mg) = Dose per kg (mg/kg) × Weight (kg)
3. Since the weight is given in grams, convert it to kilograms: 3500 g / 1000 g/kg = 3.5 kg
4. Substitute the known values into the formula and calculate: Dosage (mg) = 50 mg/kg × 3.5 kg Dosage (mg) = 175 mg
5. Round the answer to the nearest tenth: Dosage (mg) = 175.0 mg
The nurse should administer 175.0 mg of cephazolin per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Activate the fire alarm: While activating the fire alarm is important in alerting others to the fire, the priority is ensuring the safety of clients in the immediate vicinity. Moving clients away from the potential danger takes precedence over activating the alarm.
B. Use a fire extinguisher to put out the fire: While extinguishing the fire is necessary to prevent its spread, it should only be attempted after ensuring the safety of clients nearby. Attempting to use a fire extinguisher without first moving clients could put them at risk of injury or smoke inhalation.
C. Move any clients in the immediate vicinity: This is the priority action. Moving clients away from the potential danger of the smoldering fire helps protect them from smoke inhalation and potential burns. It ensures their safety while allowing the nurse to assess the situation and determine further actions.
D. Close the fire doors on the unit: Closing fire doors can help contain the fire and prevent its spread, but it is not the immediate priority when clients are in close proximity to the smoldering fire. Moving clients to safety should be the first action taken.
Correct Answer is D
Explanation
A. Instruct the client to stay in the same position for 2 min: While it is important for the client to remain in a supine position with the head tilted back slightly after instilling nasal decongestant drops, there is no need for the client to remain in the same position for a specific duration such as 2 minutes.
B. Tell the client to blow her nose gently before the instillation: Blowing the nose before instilling nasal decongestant drops is not necessary and may cause irritation to the nasal passages. The drops should be instilled directly into the nasal passages without prior blowing of the nose.
C. Assist the client to a side-lying position: There is no need to assist the client to a side-lying position for the administration of nasal decongestant drops. The drops are typically administered with the client in a seated or supine position with the head tilted back slightly.
D. Hold the dropper 2 cm (1 in) above the nares: This is the correct action. Holding the dropper approximately 2 cm (1 in) above the nares allows for precise instillation of the drops into the nasal passages without touching the dropper to the nares, which helps prevent contamination.
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