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 D
Explanation
A. Notify the client's provider: This option might be considered if there are signs of postpartum hemorrhage, such as excessive bleeding, signs of shock, or a boggy uterus that does not respond to massage. However, in this scenario, the fundus is midline and firm, which indicates appropriate uterine contraction. Therefore, notifying the provider at this point may not be necessary.
B. Encourage the client to empty her bladder: Encouraging the client to empty her bladder is always important in the postpartum period, as a full bladder can impede uterine contraction. However, the presence of lochia rubra and small clots along with a midline and firm fundus suggests that uterine involution is progressing well. While encouraging the client to empty her bladder is appropriate, it may not be the priority in this situation.
C. Increase the frequency of fundal massage immediately: Fundal massage is typically performed to promote uterine involution and prevent postpartum hemorrhage. However, in this scenario, the fundus is already midline and firm, indicating adequate contraction. Increasing the frequency of fundal massage unnecessarily could cause discomfort to the client and is not indicated based on the current assessment findings.
D. Document the findings and continue to monitor the client: This is the most appropriate action at this time. The presence of lochia rubra and small clots along with a midline and firm fundus suggests that the uterus is involuting properly. Documenting the findings allows for accurate documentation of the client's condition and continued monitoring for any changes or developments. If the client's condition changes or if there are signs of postpartum hemorrhage, further action, such as notifying the provider, can be taken.
Correct Answer is A
Explanation
Yellow-green drainage from a surgical incision may indicate the presence of infection, especially if the drainage is purulent. This finding should be reported to the provider promptly for further evaluation and management to prevent complications such as wound infection or dehiscence.
A. Yellow-green drainage on the surgical incision: Yellow-green drainage suggests the presence of infection, which is a concerning finding in a postoperative client. It may indicate purulent drainage, which requires further assessment and possibly treatment with antibiotics.
B. Blood pressure 102/66 mm Hg: A blood pressure of 102/66 mm Hg is within the normal range for an adult client and does not typically require immediate intervention. However, trends in blood pressure should be monitored, especially if the client is symptomatic or if there are significant changes from the client's baseline.
C. Straw-colored urine from an indwelling urinary catheter: Straw-colored urine is a normal finding and indicates adequate hydration and kidney function. As long as the urine output is adequate and there are no other signs of urinary tract issues, this finding does not typically require immediate reporting.
D. Respiratory rate 18/min: A respiratory rate of 18 breaths per minute is within the normal range for an adult client and does not typically require immediate intervention. However, it's important to assess the client's respiratory status comprehensively, including oxygen saturation and lung sounds, to ensure adequate ventilation.
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