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 B
Explanation
Choice A rationale
Zidovudine (ZVD) is given intravenously during labor to reduce the risk of mother-to-child transmission of HIV.
Choice B rationale
HIV-positive mothers are advised not to breastfeed as HIV can be transmitted through breast milk. This statement indicates the need for further teaching.
Choice C rationale
Administering Zidovudine (ZVD) orally to the baby immediately after birth for 6 weeks is standard practice to prevent HIV transmission.
Choice D rationale
Adherence to taking Zidovudine (ZVD) at the same time every day during pregnancy is crucial for maintaining effective drug levels and reducing the risk of mother-to-child transmission.
Correct Answer is B
Explanation
Choice A rationale
A possible sign of pregnancy includes symptoms that are suggestive but not definitive, such as amenorrhea (absence of menstruation) or fatigue. These signs can have multiple causes and are not conclusive proof of pregnancy.
Choice B rationale
A positive sign of pregnancy includes objective evidence like fetal movement felt by the examiner, fetal heart sounds detected, or visualization of the fetus on ultrasound. These signs provide direct confirmation of pregnancy.
Choice C rationale
Presumptive signs of pregnancy are subjective experiences reported by the patient, such as nausea, breast tenderness, or quickening (feeling fetal movement). These signs are not confirmatory as they can occur in other conditions.
Choice D rationale
Probable signs of pregnancy include objective findings observed by a healthcare provider, such as uterine enlargement, but they are not definitive as they can also be caused by conditions like fibroids.
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