A father asks the nurse how the baby can exist in fluid for so long without resulting in some harmful effects on the skin.
The nurse's best reply would be:
A soft lanugo hair protects the skin from exposure to the amniotic fluid.
We will apply cream to the baby's skin after delivery to make it smooth and soft.
The baby's skin is covered with a protective fatty substance called vernix caseosa.
There is a thick layer of subcutaneous fat on the baby so the water doesn't harm the skin.
The Correct Answer is C
Choice A rationale
Lanugo is a fine hair that covers the fetus but does not primarily protect the skin from amniotic fluid exposure. It mainly helps in thermoregulation and the adherence of the vernix caseosa.
Choice B rationale
While skin care after birth is important, applying cream post-delivery does not explain why the skin is protected during gestation.
Choice C rationale
Vernix caseosa is a protective, cheese-like coating that covers the fetus's skin. It provides a barrier against the amniotic fluid, preventing maceration of the skin during the pregnancy.
Choice D rationale
Although subcutaneous fat develops in the fetus, it is not responsible for protecting the skin from amniotic fluid. The primary protective mechanism is the vernix caseosa.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Smoking and heavy alcohol intake can indeed affect the quantity of sperm. Both substances can reduce sperm count and motility, leading to lower fertility rates in men.
Choice B rationale
This statement is incorrect. Both smoking and heavy alcohol use negatively impact fertility by reducing sperm quality and quantity.
Choice C rationale
Waiting for a semen analysis without addressing the known effects of smoking and alcohol is not the best approach. Immediate lifestyle changes can improve fertility outcomes.
Choice D rationale
Any amount of smoking can affect sperm quality and fertility. It's not limited to smoking more than one pack a day. Reducing or eliminating smoking can improve fertility.
Correct Answer is D
Explanation
Choice A rationale
Psoriasis is a chronic skin condition that is not specific to pregnancy. It is characterized by red, scaly patches and requires medical treatment.
Choice B rationale
Jaundice, indicated by yellowing of the skin and eyes, is a sign of liver dysfunction and is not related to normal pregnancy changes.
Choice C rationale
Erythema toxicum is a common, benign rash that occurs in newborns, not in pregnant women. It appears as red spots with small pustules and resolves on its own.
Choice D rationale
Linea negra is a dark line that appears on the abdomen during pregnancy due to hormonal changes. It is a common finding in the third trimester.
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