A nurse is caring for a preterm newborn who has hypoglycemia due to inadequate gluconeogenesis.

The nurse should understand that this condition occurs because preterm newborns have limited stores of which of the following substances?

Glycogen

Glucose

Insulin

Glucagon

Answer and Explanation

The Correct Answer is A

The correct answer is choice A. Glycogen. Preterm newborns have limited stores of glycogen, which is a substance made from glucose that is stored in the liver and muscle cells to be used later for energy. When blood glucose levels are low, the hormone glucagon signals the cells to convert glycogen back into glucose and release it into the bloodstream. However, preterm newborns have a reduced ability to produce glucagon and to use gluconeogenesis, which is the process of making new glucose from other sources. Therefore, they are at risk of hypoglycemia, which is a condition where blood glucose levels are too low to support normal brain function.

Choice B is wrong because glucose is the sugar that travels through the blood to fuel the cells, not a substance that is stored for later use.

Choice C is wrong because insulin is a hormone that helps cells absorb glucose from the blood, not a substance that is stored for later use.

Choice D is wrong because glucagon is a hormone that triggers the release of glucose from the liver and muscle cells, not a substance that is stored for later use.

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Correct Answer is B

Explanation

The correct answer is choice B. Washing the penis with soap and water daily can irritate the circumcision site and delay healing.

The parents should only use warm water to gently clean the area and pat it dry.

They should avoid using soap, alcohol, or peroxide on the wound.

Choice A is wrong because changing the diaper every 3 to 4 hours is recommended to prevent infection and keep the area clean and dry.

Choice C is wrong because applying petroleum jelly on the penis with each diaper change can protect the wound from sticking to the diaper and reduce friction.

Choice D is wrong because calling the doctor if they see any signs of infection, such as redness, swelling, pus, foul odor, or fever, is a correct action.

A. “I should wash my hands before and after handling the cord stump.” B. “I should apply petroleum jelly or ointment to the cord stump after each diaper change.” C. “I should use a cotton swab dipped in hydrogen peroxide to clean around the base of the cord stump.” D. “I should fold down the top of the diaper below the cord stump until it falls off.”

Correct Answer is A

Explanation

The correct answer is choice A.Washing hands before and after handling the cord stump can prevent the transmission of bacteria that can cause omphalitis, sepsis, and tetanus.

Choice B is wrong because applying petroleum jelly or ointment to the cord stump can delay its drying and increase the risk of infection.

Choice C is wrong because using hydrogen peroxide to clean the cord stump can damage the healthy tissue and delay healing.

Choice D is wrong because folding down the diaper below the cord stump can expose it to urine and feces, which can contaminate it and cause infection.

The normal range for umbilical cord separation is 5 to 15 days after birth.

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A nurse is caring for a preterm newborn who has hypoglycemia due to inadequate gluconeogenesis. The nurse should understand that this condition occurs because preterm newborns have limited stores of which of the following substances?

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Naxlex Comprehensive Predictor Exams

The nurse is teaching parents how to care for their son’s circumcision site after discharge from hospital using petroleum jelly and gauze dressing method. Which statement by parents indicates that they need further instruction?

Correct Answer is B

Explanation

A nurse is educating a new mother about umbilical cord care and how to prevent omphalitis, sepsis, and tetanus. Which of the following statements by the mother indicates an understanding of the teaching?

Correct Answer is A

Explanation

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The nurse is caring for a newborn who was circumcised using a Gomco clamp 12 hours ago and notes that there is a small amount of blood on his diaper where his penis rests against it. The most appropriate nursing action would be to:

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A nurse is caring for a preterm newborn who has hypoglycemia due to inadequate gluconeogenesis.

The nurse should understand that this condition occurs because preterm newborns have limited stores of which of the following substances?