An expectant parent says to the nurse, "When my sister's baby was born, it was covered in a cheeselike coating. What is the purpose of this coating?" The correct response by the nurse is to explain that the purpose of vernix caseosa is to:

a. regulate fetal temperature.
b. protect the fetal skin from amniotic fluid.
c. promote normal peripheral nervous system development.
d. allow the transport of oxygen and nutrients across the amnion.


ANS: B
Prolonged exposure to amniotic fluid during the fetal period could result in breakdown of the skin without the protection of the vernix caseosa. The amniotic fluid aids in maintaining fetal temperature. Normal peripheral nervous system development is dependent on the nutritional intake of the mother. The amnion is the inner membrane that surrounds the fetus. It is not involved in the oxygen and nutrient exchange.

Nursing

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A) A staff nurse in a medical unit at a hospital B) A nurse who works in the neonatal intensive-care unit (NICU) C) A nurse practitioner working in a private practice D) A forensic nurse who works in the coroner's office

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A female client is experiencing hot flashes. The client asks the nurse how long will these last. The nurse would respond by stating that hot flashes:

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A mother has given birth to an infant with cytomegalic inclusion disease; what does this indicate?

A. The infant is likely to have an abnormal chromosome karyotype. B. The mother has been previously infected with the cytomegalovirus (CMV), and the infection became activated during the pregnancy, or the mother acquired a CMV infection during her pregnancy. C. There is no risk of fetal injury or malformation, because the mother cannot transmit CMV to the fetus. D. The virus may have caused genetic abnormalities in the fetal chromosomes, which can be identified by laboratory tests.

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