A new father wants to know what medication was put into his infant’s eyes and why it is needed.
How does the nurse explain the purpose of the erythromycin ophthalmic ointment?
This ointment prevents the infant’s eyelids from sticking together and helps the infant see.
This ophthalmic ointment prevents gonorrheal infection of the infant’s eyes, potentially acquired from the birth canal.
Erythromycin prevents potentially harmful exudate from invading the tear ducts of the infant’s eyes, leading to dry eyes.
Erythromycin ophthalmic ointment destroys an infectious exudate caused by Staphylococcus that could make the infant blind.
The Correct Answer is B
Choice A rationale
Erythromycin ophthalmic ointment does not prevent the infant's eyelids from sticking together; it is not its primary purpose and does not aid in vision enhancement.
Choice B rationale
Erythromycin ophthalmic ointment is used to prevent gonorrheal infection acquired during birth, protecting the infant’s eyes from potential infection that can cause blindness.
Choice C rationale
Erythromycin does not prevent exudate from invading the tear ducts, nor does it lead to dry eyes. Its primary function is antimicrobial.
Choice D rationale
Erythromycin ophthalmic ointment is not specific to Staphylococcus and does not directly destroy infectious exudate. It prevents infections like gonorrhea.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
The maternal-fetal exchange of oxygen and waste products is affected by uterine contractions, as these compress the placental blood vessels, temporarily reducing blood flow.
Choice B rationale
Blood pressure variations during labor can influence perfusion but do not increase maternal-fetal exchange as uterine contractions primarily cause transient vascular compression.
Choice C rationale
Maternal-fetal exchange continues during contractions except when the uterine pressure is high enough to occlude placental blood flow, temporarily halting the exchange.
Choice D rationale
Uterine contractions compress the spiral arteries, reducing blood flow through the placenta, thereby diminishing maternal-fetal exchange of oxygen and waste products during contractions.
Correct Answer is A
Explanation
Choice A rationale
Quickening, the first fetal movements felt by the mother, typically occurs between 16 and 20 weeks of gestation, so she should expect to feel fluttering sensations within the next month.
Choice B rationale
At 15 weeks of gestation, it is too early for most first-time mothers to feel fetal movements. Quickening usually occurs between 16 and 20 weeks, so she has not missed the window.
Choice C rationale
While some fetal movements may be subtle, it is inaccurate to suggest that some babies are entirely quiet. Quickening is generally felt by most mothers between 16 and 20 weeks.
Choice D rationale
The baby is indeed moving, but fetal movements are usually not felt until 16 to 20 weeks of gestation in first-time pregnancies, so it is normal not to feel them yet at 15 weeks.
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