Nurses can prevent evaporative heat loss in the newborn by:
Drying the baby after birth and wrapping the baby in a dry blanket.
Keeping the baby out of drafts and away from air conditioners.
Placing the baby away from the outside wall and the windows.
Warming the stethoscope and the nurse’s hands before touching the baby.
The Correct Answer is A
Drying the baby after birth and wrapping the baby in a dry blanket
This prevents evaporative heat loss, which occurs when water on the skin surface evaporates and cools the skin. Evaporative heat loss is especially significant in newborns because they are wet at birth and have a large surface area relative to their body mass.
Choice B is wrong because it addresses convective heat loss, which occurs when air currents blow over the skin and carry away heat.
Convective heat loss can be prevented by keeping the baby out of drafts and away from air conditioners.
Choice C is wrong because it addresses radiant heat loss, which occurs when heat radiates from the skin to cooler objects in the environment.
Radiant heat loss can be prevented by placing the baby away from the outside wall and the windows.
Choice D is wrong because it addresses conductive heat loss, which occurs when heat transfers from the skin to cooler objects in contact with the skin.
Conductive heat loss can be prevented by warming the stethoscope and the nurse’s hands before touching the baby.
Normal body temperature for a newborn is 36.5°C to 37.5°C (97.7°F to 99.5°F).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Bacteria that synthesize vitamin K is not present in the newborn’s intestinal tract. Vitamin K is essential for blood clotting, and newborns are at risk of bleeding problems due to their lack of vitamin K. Therefore, vitamin K is given by injection to prevent hemorrhagic disease in the newborn.
Choice A is wrong because most mothers do not have a diet deficient in vitamin K, and vitamin K deficiency in newborns is not related to the maternal diet.
Choice B is wrong because vitamin K does not prevent the synthesis of prothrombin in the liver, but rather enhances it. Prothrombin is a clotting factor that requires vitamin K for its production.
Choice D is wrong because the supply of vitamin K is not inadequate for at least 3 to 4 months, but rather for a few days until the newborn’s intestinal bacteria start producing it.
Correct Answer is B
Explanation
The presence or absence of anxiety is a noninvasive assessment that the RN would perform to evaluate the patient’s psychological status and possible signs of hypovolemic shock.
Anxiety can indicate reduced cerebral perfusion due to blood loss and low blood pressure.
Choice A is wrong because pulse oximetry is a noninvasive assessment that the RN would perform to measure the oxygen saturation of the patient’s blood, not the circulatory status.
Choice B is wrong because heart sounds are a noninvasive assessment that the RN would perform to auscultate the cardiac rhythm and rate of the patient, not the circulatory status.
Choice C is wrong because arterial pulses are a noninvasive assessment that the RN would perform to palpate the strength and quality of the patient’s peripheral pulses, not the circulatory status.
Choice D is wrong because skin color, temperature, and turgor are noninvasive assessments that the RN would perform to observe the skin integrity and hydration of the patient, not the circulatory status.
Normal ranges for pulse oximetry are 95% to 100%, for heart rate, are 60 to 100 beats per minute, and for blood pressure are 120/80 mmHg.
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