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 B
Explanation
The correct answer is choice B. Apply ice to her perineal area.This is because ice can help reduce swelling and pain in the episiotomy wound, which is a cut made in the tissue between the vagina and anus during childbirth.Ice should be applied for the first 24 to 48 hours after delivery.
Choice A is wrong because Kegel exercises, which involve contracting and relaxing the pelvic floor muscles, are not recommended for the first 12 hours after an episiotomy.They can increase blood flow and inflammation in the area, and may interfere with healing.
Choice C is wrong because keeping her hips slightly elevated can cause pressure on the episiotomy wound and increase discomfort.It can also affect blood circulation and drainage in the area.
Choice D is wrong because observing her perineal area for signs of infection is not a nursing action that should be included in her plan of care for the first 12 hours.Infection is rare in episiotomy wounds, and signs of infection usually appear after 24 hours or later.However, the nurse should teach the patient how to keep the area clean and dry, and when to report any signs of infection, such as fever, pus, or foul-smelling discharge.
Normal ranges for episiotomy healing are:
• Stitches dissolve within 2 to 4 weeks
• Pain and swelling subside within a few days to a week
• Wound heals completely within 4 to 6 weeks
Correct Answer is C
Explanation
A nonstress test (NST) is a test in pregnancy that measures fetal heart rate and reaction to movement.Your pregnancy care provider performs a nonstress test to make sure the fetus is healthy and getting enough oxygen.It’s safe and painless, and gets its name because it puts no stress (nonstress) on you or the fetus.
Choice A is wrong because a nonstress test does not measure the mother’s ability to tolerate the discomfort of labor.A stress test is a different procedure that involves stimulating contractions and monitoring how the fetus responds.
Choice B is wrong because a nonstress test does not measure fetal lie, which is the position of the fetus in the uterus.
Fetal lie is usually determined by ultrasound or physical examination.
Choice D is wrong because a nonstress test does not measure maternal readiness for labor.A nonstress test typically happens after 28 weeks of pregnancy, when fetal heart rate starts reacting to movements.
Maternal readiness for labor is assessed by other factors, such as cervical dilation and effacement.
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