A child who weighs 16 pounds receives a prescription for amoxicillin 25 mg/kg/day by mouth in divided doses every 12 hours.

The bottle is labeled, "Amoxicillin for Oral Suspension, USP 200 mg per 5 mL.”. How many mL should the nurse administer with each dose? (Enter numerical value only.

If rounding is required, round to the nearest tenth.)

Answer and Explanation

The Correct Answer is ["2.3"]

Step 1 is to convert the child's weight from pounds to kilograms. 16 pounds ÷ 2.2 = 7.3 kg.

Step 2 is to calculate the total daily dose in mg. 25 mg/kg × 7.3 kg = 182.5 mg.

Step 3 is to determine the dose per administration, divided by 2 since the dose is given every 12 hours. 182.5 mg ÷ 2 = 91.25 mg.

Step 4 is to convert the dose from mg to mL using the concentration of the medication. 91.25 mg ÷ (200 mg/5 mL) = 91.25 ÷ 40 = 2.3 mL per dose. The answer is 2.3 mL.

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Correct Answer is D

Explanation

Choice A rationale

Blow-by oxygen delivery can provide some additional oxygen to the apneic newborn, but it may not be effective in stimulating breathing or providing adequate ventilation. It is a less direct method of addressing apnea compared to positive pressure ventilation.

Choice B rationale

Starting an IV infusion in a scalp vein is important for medication administration or fluid resuscitation but is not the immediate priority for a newborn who is apneic and has a heart rate of 100 beats per minute. Establishing adequate ventilation takes precedence to ensure oxygenation and stabilize the newborn.

Choice C rationale

Assisting the neonatologist with intubation may be necessary if positive pressure ventilation is unsuccessful or if there are signs of severe respiratory distress. However, the immediate next step for an apneic newborn with a heart rate of 100 beats per minute should be to provide positive pressure ventilation to stimulate breathing.

Choice D rationale

Providing positive pressure ventilation is the recommended immediate action for a newborn who remains apneic and has a heart rate of less than 100 beats per minute. This intervention helps to inflate the lungs, establish effective breathing, and improve oxygenation, which is critical for the newborn's survival.

A. Check serum human chorionic gonadotropin. B. Verify the date of the last menstrual cycle. C. Inquire about the last occurrence of intercourse. D. Repeat a urine pregnancy test.

Correct Answer is A

Explanation

Choice A rationale

Checking serum human chorionic gonadotropin (hCG) levels is the appropriate action. hCG levels can help determine the viability of the pregnancy. Decreasing hCG levels may indicate a non-viable pregnancy, while increasing levels suggest a viable pregnancy.

Choice B rationale

Verifying the date of the last menstrual cycle is important but not the priority action in this scenario. While it can provide information on gestational age, it does not directly address the concern of vaginal bleeding.

Choice C rationale

Inquiring about the last occurrence of intercourse is not directly related to assessing the cause of vaginal bleeding. It may provide additional history but does not address the immediate concern.

Choice D rationale

Repeating a urine pregnancy test is not necessary in this context. The client is already known to be pregnant, and a urine test will not provide additional information regarding the cause of the bleeding.

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Naxlex Comprehensive Predictor Exams

Following a vaginal delivery, the nurse places the neonate under the radiant warmer to elicit spontaneous respirations. The newborn has a heart rate of 100 beats per minute and remains apneic when the nurse flicks the soles of the feet. Which action should the nurse implement next?

Correct Answer is D

Explanation

A client at 6-weeks gestation presents to the office with a report of vaginal bleeding for the last 12 hours without cramping. Which action should the nurse take?

Correct Answer is A

Explanation

The nurse is preparing to administer oxytocin IV to a client after the delivery of her infant. Which outcome should the nurse expect from the administration of oxytocin?

The mother of a 4-month-old baby girl asks the nurse when she should introduce solid foods to her infant.The mother states, "My mother says I should put rice cereal in the baby's bottle now.”. The nurse should instruct the mother to introduce solid foods when her child exhibits which behavior?

The nurse is caring for an infant admitted with dehydration, irritability, signs of extreme hunger, and a palpable olive-like mass in the upper right abdominal quadrant. When feeding the infant, the nurse should monitor for which development?

A client who is 37 weeks gestation comes to the women's health clinic reporting an excruciating headache. On examination, the nurse determines the client has an elevated blood pressure. Which action should the nurse implement next?

The nurse is providing preconception counseling. Which supplement should the nurse recommend to help prevent the occurrence of anencephaly?

A nurse is speaking with a client who is addicted to heroin and who just learned that she is pregnant. The client states, "I just started taking methadone. Is there anything else I can do to make sure my baby is healthy?" Which information should the nurse provide?