A nurse is providing teaching to the guardians of a preterm newborn about temperature instability. Which of the following statements should the nurse make?
Preterm newborns might have a thick layer of brown fat that can cause them to quickly become overheated.
Preterm newborns might shiver to warm up when they get too cool.
Preterm newborns might sweat to cool off when they get too warm.
Preterm newborns might have less muscle tone which exposes more body surfaces to heat loss.
The Correct Answer is D
Choice A rationale
Preterm newborns do not have a thick layer of brown fat. Brown fat is a type of fat that generates heat and is typically found in full-term newborns. It helps them maintain their body temperature. Preterm newborns have less brown fat, which makes them more susceptible to hypothermia.
Choice B rationale
Shivering is a mechanism used by the body to generate heat when it’s cold. However, preterm newborns cannot shiver. Their nervous systems are not fully developed, and they lack the muscle coordination necessary to shiver.
Choice C rationale
Sweating is another mechanism the body uses to regulate temperature. When the body is too warm, it produces sweat to cool down. However, preterm newborns do not sweat to cool off when they get too warm. Their sweat glands are not fully developed, and they may not be able to sweat effectively.
Choice D rationale
Preterm newborns have less muscle tone, which exposes more body surfaces to heat loss. Muscle tone provides insulation and generates heat. Because preterm newborns have less muscle mass, they have less insulation and generate less heat, making them more susceptible to hypothermia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Dehydration could be a result of prolonged nausea and vomiting, but it is not the primary condition. Dehydration is a complication, not the cause of the symptoms.
Choice B rationale
The patient is most likely experiencing Hyperemesis Gravidarum, a severe form of nausea and vomiting in pregnancy. It’s more extreme than the typical morning sickness experienced during pregnancy and can lead to weight loss and dehydration. The nurse should ensure the patient stays hydrated and monitor their weight. Antiemetic medications may be prescribed to help control the vomiting.
Choice C rationale
Gastroenteritis typically involves both vomiting and diarrhea, often accompanied by abdominal pain and fever. The patient’s symptoms do not indicate gastroenteritis.
Choice D rationale
Food poisoning is usually associated with consuming contaminated food or water and often involves symptoms such as abdominal cramps and diarrhea, which the patient does not report.
Correct Answer is ["8"]
Explanation
Step 1 is to determine the total amount of metronidazole needed, which is 2 g.
Step 2 is to convert grams to milligrams, as the available medication is in milligrams. So, 2 g is equal to 2000 mg.
Step 3 is to calculate the number of tablets needed. Each tablet contains 250 mg of metronidazole. Therefore, the calculation is 2000 mg ÷ 250 mg/tablet.
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