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    Ati nur 114 paediatrics proctored exam

    After birth, the nurse quickly dries and wraps the newborn in a blanket. How does this action prevent heat loss?

    Explanation & Rationale

    A. Conduction: Conduction refers to heat loss that occurs when the newborn comes into direct contact with a cooler surface, such as a scale or examination table. Drying and wrapping do not prevent heat loss by conduction. B. Radiation: Radiation involves the loss of heat from the newborn to cooler surfaces in the environment without direct contact, such as walls or windows. Wrapping the infant does not primarily prevent heat loss through radiation. C. Evaporation: Evaporation is the loss of heat that occurs when moisture on the newborn’s skin, such as amniotic fluid, turns into vapor. Quickly drying and wrapping the infant removes moisture from the skin, preventing evaporative heat loss and helping maintain body temperature. D. Convection: Convection is the loss of heat to cooler air currents around the newborn. While wrapping may reduce some convective loss, the primary mechanism addressed by drying the infant is evaporation.

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