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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Answer: D. A private room in a quiet location on the unit
Rationale:
A) A private room close to the nursing station: While proximity to the nursing station can facilitate monitoring, a room close to a busy area may lead to increased stimuli and noise, which can exacerbate the client’s manic symptoms.
B) A semi-private room with a roommate who has a similar diagnosis: Sharing a room with another client experiencing mania could lead to increased stimulation and competition for attention, potentially worsening the manic phase for both clients.
C) A seclusion room until the client's activity level becomes more subdued: Seclusion is typically used as a last resort for managing severe agitation or aggression. It may not be necessary or appropriate for all clients in a manic phase, especially if the client can be safely managed in a less restrictive environment.
D) A private room in a quiet location on the unit: This option is ideal as it provides the client with a calm environment, minimizing external stimuli that could trigger or escalate manic behaviors. A quiet space can help promote a sense of safety and allow the client to regain control over their emotions and behavior.
Correct Answer is B
Explanation
Rationale:
A) Administer ibuprofen as needed for pain: Ibuprofen is not typically recommended for pain relief in infants under 6 months old due to the risk of adverse effects, such as gastrointestinal irritation and renal impairment. Additionally, surgical repair of a cleft lip is not typically associated with severe postoperative pain requiring ibuprofen in infants.
B) Encourage the parents to rock the infant: This is the correct intervention. Rocking or gentle movement can provide comfort to infants postoperatively and may help soothe them. It can also promote bonding between the infant and parents, which is important for emotional support during the recovery period.
C) Offer the infant a pacifier: Pacifiers can be soothing for infants and may help provide non-nutritive sucking comfort. However, it's essential to ensure that the pacifier does not interfere with wound healing or exacerbate discomfort related to the cleft lip repair. Therefore, while offering a pacifier may be appropriate, it should be done with caution and under the guidance of the surgical team.
D) Position the infant on her abdomen: Placing the infant on her abdomen (prone position) is not recommended postoperatively, especially after cleft lip repair surgery. The supine position is typically preferred to reduce the risk of aspiration and ensure adequate airway patency. Additionally, the prone position may put pressure on the surgical site and cause discomfort.
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