After teaching an in-service program to a group of nurses working in newborn nursery about a neutral thermal environment, the nurse determines that the teaching was successful when the group identifies which process as the newborn's primary method of heat production?
nonshivering thermogenesis
cold stress
convection
bilirubin conjugation
The Correct Answer is A
A. Nonshivering thermogenesis is the primary method of heat production in newborns. Unlike adults, newborns do not generate heat through shivering. Instead, they rely on the metabolism of brown adipose tissue (brown fat) to produce heat. This process is triggered by exposure to cold and helps maintain body temperature.
B. Cold stress is a condition, not a heat production mechanism. It occurs when the newborn is exposed to cold temperatures, leading to increased oxygen and energy demands as the body attempts to produce heat — which can be dangerous.
C. Convection is a method of heat loss, not production. It occurs when heat is lost from the body surface to cooler surrounding air (e.g., drafts in the room).
D. Bilirubin conjugation is related to the liver's processing of bilirubin and has nothing to do with thermoregulation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Weight gain and shortness of breath are common symptoms of pre-eclampsia or hypertension, but they are not specific to HELLP syndrome (Hemolysis, Elevated Liver enzymes, and Low Platelets). Shortness of breath could be due to other conditions, such as pulmonary edema, but it does not directly indicate HELLP syndrome.
B. Epigastric pain and elevated liver enzymes is a classic symptom of HELLP syndrome, a severe form of pregnancy-induced hypertension (PIH). The epigastric pain is often related to liver distention due to the liver damage and elevated liver enzymes. This is a key indicator of HELLP syndrome, which can be life-threatening if not managed promptly.
C. Edema of hands and feet of +2 is a common finding in pregnancy-related hypertension or pre-eclampsia but is not specific to HELLP syndrome. Mild edema (such as +2) can occur in many pregnancies and does not necessarily indicate the severity of the condition.
D. Fatigue and headache are symptoms commonly seen in pre-eclampsia and may also occur in HELLP syndrome, but they are less specific compared to epigastric pain and elevated liver enzymes, which are hallmark signs of HELLP syndrome.
Correct Answer is D
Explanation
A. Clear liquid diet may be appropriate later in treatment once symptoms improve, but it is not typically initiated immediately in a client with severe hyperemesis gravidarum, especially if they are unable to keep any fluids down.
B. Administration of labetalol is used to treat hypertension, particularly in preeclampsia, and is not related to the treatment of hyperemesis gravidarum.
C. Small frequent meals are part of long-term management or mild cases, but for severe hyperemesis gravidarum requiring hospitalization, oral intake is usually withheld initially.
D. Nothing by mouth (NPO) is correct. In severe hyperemesis gravidarum, the client is often kept NPO to rest the gastrointestinal tract and prevent further vomiting. Intravenous (IV) fluids, electrolytes, and sometimes antiemetic medications are administered to manage dehydration and nutritional deficits before gradually resuming oral intake.
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