A father watching the admission of his newborn to the nursery notices that eye ointment is placed in the infant's eyes. He asks the nurse what is the purpose of the ointment. Which response by the nurse will best explain the purpose for administering the ointment?
The ointment will dilate the pupil so the red reflex can be visualized.
The ointment will prevent a herpes infection.
The ointment will prevent eye infections.
The ointment will clear the infants's vision
The Correct Answer is C
Choice A rationale
The ointment used in newborns does not dilate the pupil. It is not intended to aid in the visualization of the red reflex. The red reflex can be observed without the need for any ointment.
Choice B rationale
The ointment does not prevent herpes infections. It is specifically used to prevent bacterial eye infections caused by organisms such as Neisseria gonorrhoeae and Chlamydia trachomatis, which can be present in the birth canal.
Choice C rationale
The ointment will prevent eye infections. This is the correct explanation. The eye ointment, typically erythromycin or tetracycline, is applied to prevent ophthalmia neonatorum, a type of conjunctivitis caused by bacteria that the newborn might be exposed to during delivery.
Choice D rationale
The ointment will not clear the infant's vision. Newborns naturally have somewhat blurry vision at birth, and the ointment does not enhance or clear their vision. Its primary purpose is to prevent bacterial infections.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
A weight gain of 2 pounds (0.91 kg) in a 34-week gestation multigravida is generally considered normal. During the third trimester, it is typical for a pregnant woman to gain around 0.5 to 1 pound per week. This weight gain helps support the growing fetus and prepare the mother's body for labor and breastfeeding. However, sudden or excessive weight gain could indicate fluid retention or preeclampsia, but a 2-pound gain alone is not necessarily a concern.
Choice B rationale
1+ edema on the lower extremities is a common finding during pregnancy, especially in the later stages. It is usually due to increased blood volume and pressure on the pelvic veins from the growing uterus, which can slow the return of blood from the legs. While some degree of edema is normal, particularly in the ankles and feet, it is important to monitor for sudden or severe swelling, which could be a sign of preeclampsia.
Choice C rationale
A fundal height of 30 cm at 34 weeks gestation is concerning because it is less than the expected measurement. Fundal height typically corresponds to gestational age in centimeters (±2 cm). Therefore, at 34 weeks, the expected fundal height would be between 32 and 36 cm. A smaller fundal height could indicate intrauterine growth restriction (IUGR), oligohydramnios, or other fetal development issues, which require further evaluation by the healthcare provider.
Choice D rationale
A fetal heart rate (FHR) of 110 beats per minute (bpm) is within the normal range for a fetus. The normal FHR typically ranges from 110 to 160 bpm. Although 110 bpm is on the lower end of the normal range, it is still considered acceptable. Significant deviations from the normal range, either too low (bradycardia) or too high (tachycardia), could indicate fetal distress and require immediate attention.
Correct Answer is ["2.3"]
Explanation
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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