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
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Correct Answer is C
Explanation
A. Intermittent abdominal pain following passage of bloody mucus: This description is more consistent with the symptoms of placental abruption, where there is painful bleeding with the passage of blood and mucus. Placenta previa typically presents with painless bleeding.
B. Increasing abdominal pain with a non-relaxed uterus: Increasing abdominal pain with a non-relaxed uterus suggests uterine irritability, which may be indicative of preterm labor rather than placenta previa. Placenta previa typically presents with painless bleeding.
C. Painless red vaginal bleeding: This finding is characteristic of placenta previa. Pain is typically absent or minimal with placenta previa, and the bleeding is bright red due to the richly oxygenated maternal blood flowing from the placental vessels.
D. Abdominal pain with scant red vaginal bleeding: While abdominal pain may occur in some cases of placenta previa, it is typically not the predominant symptom. Additionally, the bleeding associated with placenta previa is typically painless and can be more profuse than scant bleeding.
Correct Answer is D
Explanation
A. Battery involves the unauthorized or harmful touching of another person without their consent. Restraint without proper justification could potentially lead to a charge of battery, but the situation described does not involve actual physical contact.
B. Assault involves the threat of bodily harm to another person, creating fear or apprehension that the harm will be carried out. While the threat of restraint might cause fear, actual restraint is necessary to constitute assault.
C. Invasion of privacy refers to the unauthorized intrusion into an individual's private affairs or the public disclosure of private information. It does not apply to the act of physically restraining a client.
D. False imprisonment occurs when an individual is unlawfully restrained or confined against their will. In this scenario, the provider's directive to restrain the client against her wishes constitutes false imprisonment if the restraint is not justified by the client's medical condition or pose an immediate danger to herself or others.
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