A nurse is preparing to administer ampicillin to a school-age child who weighs 55 lb. The provider prescribes 50 mg/kg/day in 4 equal doses. Available is ampicillin oral suspension 125 mg/5 mL. How many mL should the nurse administer with each dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["12.5"]

To calculate the dosage, first convert the child's weight to kilograms (1 kg = 2.2 lbs), so 55 lbs is approximately 25 kg. The total daily dose of ampicillin prescribed is 50 mg/kg/day, which for a 25 kg child is 1250 mg/day (50 mg/kg * 25 kg). This total daily dose should be divided into 4 equal doses, resulting in 312.5 mg per dose (1250 mg/day ÷ 4 doses/day). The concentration of the ampicillin suspension is 125 mg/5 mL, so to find out how many mL per dose, divide the dose in mg by the concentration and multiply by the volume: 312.5 mg per dose ÷ 125 mg/5 mL = 2.5 * 5 mL = 12.5 mL per dose. Therefore, the nurse should administer 12.5 mL per dose.

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Correct Answer is D

Explanation

A. Postponing the procedure could put the client’s health at risk.

B. If the client cannot provide informed consent due to a developmental disability, they are not considered able to consent independently.

C. The provider does not sign the consent form on behalf of the client in this situation; rather, implied consent is used in emergencies.

D. In an emergency situation where delaying treatment could harm the client, implied consent allows for immediate life-saving procedures without waiting for guardian consent.

A. The client has an elevated hemoglobin level. B. The client is wearing nail polish. C. The client has a fever. D. The client is wearing a ring.

Correct Answer is B

Explanation

A. An elevated hemoglobin level generally does not affect the pulse oximeter reading directly.

B. Nail polish, especially dark colors, can interfere with the pulse oximeter’s ability to read oxygen saturation accurately by blocking the light sensor.

C. While fever can increase metabolic rate, it does not directly affect the pulse oximeter reading itself.

D. A ring worn on the finger does not interfere with oxygen saturation measurement, as the sensor typically focuses on the fingertip.

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Naxlex Comprehensive Predictor Exams

A nurse is caring for an adult client who has a developmental disability. The client requires an emergency appendectomy, and the staff cannot reach the appointed guardian. Which of the following is an appropriate action for the nurse to take?

Correct Answer is D

Explanation

A nurse is planning to obtain a client's oxygen saturation. Which of the following might influence the result of this test?

Correct Answer is B

Explanation

A nurse is preparing to provide tracheostomy care to a client who has a chronic tracheostomy. In which order should the nurse complete the following steps? (Move the steps into the box on the right, placing them in the order of performance. Use all the steps.)

A nurse is coordinating care of a group of clients with an assistive personnel (AP). Which of the following tasks should the nurse assign to the AP?

A nurse is assisting with the care of a client who has cancer that has metastasized. The client has decided to discontinue chemotherapy treatment. Which of the following responses should the nurse make?

A nurse is reinforcing teaching with a client who has an ostomy. Which of the following statements by the client indicates an understanding of the teaching?

A nurse is assisting with the care of a client who is experiencing dysphagia following a recent stroke. The nurse should initiate a referral to which of the following interprofessional team members?

A nurse is performing a wound irrigation for a client who has methicillin-resistant Staphylococcus aureus. When removing personal protective equipment, which of the following pieces should the nurse remove first?

A nurse is showing a newly licensed nurse how to use a mechanical lift. Which of the following statements by the newly licensed nurse indicates an understanding of this assistive device?

A nurse at a long-term care facility is caring for an older adult client who has dementia and is at risk for malnutrition. Which of the following actions should the nurse take to promote an increase in food intake?