A nurse is caring for a newborn who is placed in a neutral thermal environment.What is the desired outcome of this measure?
To minimize the patient’s oxygen needs.
To facilitate the conversion of glucose to lactic acid.
To decrease the absorption of surfactant from the alveoli.
To increase the patient’s ability to metabolize brown fat stores.
The Correct Answer is A
The correct answer is choice A: To minimize the patient’s oxygen needs.
A neutral thermal environment is an environment in which a neonate maintains a normal body temperature while minimizing energy expenditure and oxygen consumption. This is important for the wellbeing of neonates, especially those who are preterm or have respiratory insufficiency.
Choice B is wrong because the conversion of glucose to lactic acid is not a desired outcome of a neutral thermal environment. This conversion occurs when there is inadequate oxygen supply to the tissues, resulting in anaerobic metabolism and metabolic acidosis.
Choice C is wrong because the absorption of surfactant from the alveoli is not affected by a neutral thermal environment.
Surfactant is a substance that reduces surface tension and prevents alveolar collapse. It is produced by type II alveolar cells and secreted into the alveoli.
Choice D is wrong because the metabolism of brown fat stores is not a desired outcome of a neutral thermal environment.
Brown fat is a specialized tissue that generates heat by nonshivering thermogenesis in response to cold stress.
It is located in the nape of the neck, between the scapulae, and around the kidneys and adrenals. It increases the metabolic rate and oxygen consumption of neonates.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
The correct answer is choice D. “Have you noticed any tenderness in your breasts?”
Breast tenderness is one of the early signs of pregnancy that may occur as early as one to two weeks after conception.It is caused by hormonal changes that prepare the breasts for lactation.
Choice A is wrong because shortness of breath is not a sign of early pregnancy.It may occur later in pregnancy due to the growing uterus pressing on the diaphragm.
Choice B is wrong because episodes of loss of consciousness are not a sign of early pregnancy.They may indicate a serious condition such as anemia, dehydration, or hypoglycemia that requires medical attention.
Choice C is wrong because spotting is not a sign of early pregnancy.
It may be a sign of implantation bleeding, which occurs when the fertilized egg attaches to the lining of the uterus.However, implantation bleeding is usually much lighter and shorter than a normal period.
Correct Answer is D
Explanation
The correct answer is choice D. Gestational age of 35-38 weeks.
This is because preterm babies are more likely to develop jaundice due to their immature liver and increased breakdown of red blood cells.Babies born between 35 and 38 weeks are considered late preterm and have a higher risk of jaundice than full-term babies.
Choice A is wrong because African American ethnicity is not a risk factor for jaundice.In fact, Asian, European, or native American ethnicity are more associated with jaundice.
Choice B is wrong because meconium-stained amniotic fluid is not a risk factor for jaundice.
Meconium is the first stool of the baby and it may indicate fetal distress, but it does not affect the bilirubin level.
Choice C is wrong because bottle feeding is not a risk factor for jaundice.In fact, breastfeeding is more associated with jaundice due to dehydration and poor caloric intake.
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