In a newborn infant, which of the following is the liver's job related to bilirubin?

Changing conjugated bilirubin to unconjugated.

Synthesis of vitamin K.

Changing unconjugated bilirubin to conjugated bilirubin.

Removal of meconium.

Answer and Explanation

The Correct Answer is C

Choice A rationale:

The liver's job related to bilirubin is not changing conjugated bilirubin to unconjugated. Conjugated bilirubin is the water-soluble form of bilirubin that is excreted in bile and urine. Unconjugated bilirubin, on the other hand, is the fat-soluble form, which is transported to the liver and conjugated to become water-soluble. The conversion goes from unconjugated to conjugated, not the other way around.

Choice B rationale:

The liver's job related to bilirubin is not the synthesis of vitamin K. The liver is responsible for synthesizing clotting factors, including factors II (prothrombin), VII, IX, and X, but not vitamin K itself. Vitamin K is obtained from dietary sources or supplements and is essential for blood clotting.

Choice C rationale:

This choice is the correct answer. The liver's primary function related to bilirubin is changing unconjugated bilirubin to conjugated bilirubin. As mentioned earlier, unconjugated bilirubin is produced from the breakdown of heme in old red blood cells, and it needs to be processed in the liver to become water-soluble and eventually excreted in bile and urine.

Choice D rationale:

The liver's job related to bilirubin does not involve the removal of meconium. Meconium is the first stool passed by a newborn, and its elimination is unrelated to the liver's function in processing bilirubin.

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Correct Answer is B

Explanation

A. This condition typically results from excessive loss of acid, often due to vomiting or diuretics. It is not the most likely concern in a cold environment with an infant who has been crying and kicking.

B. A cold environment can lead to nonshivering thermogenesis in newborns, where they metabolize brown fat to generate heat. This process can lead to increased lactic acid production, potentially causing metabolic acidosis. The infant's fatigue following crying and kicking may indicate that the body has expended significant energy to stay warm, making metabolic acidosis a priority concern.

C. While hunger could be a reason for crying, it is not the priority concern in this scenario where environmental cold and fatigue are present.

D. Overstimulation might cause crying, but the environmental cold and subsequent risk of metabolic acidosis are more critical concerns in this context.

A. The nurse should first report the client's Hemoglobin level to the primary health care. B. The nurse should first report the client's Chest x-ray results to the primary health care. C. The nurse should first report the client's Glucose level to the primary health care.

Correct Answer is B

Explanation

Choice A rationale:

The nurse should not report the client's Hemoglobin level first to the primary health care because it falls within the normal range of 14 to 24 g/dL for a newborn. Therefore, it is not an immediate concern.

Choice B rationale:

The nurse should first report the client's Chest x-ray results to the primary health care. The diffuse pattern of radiopaque areas bilaterally on the chest x-ray suggests possible respiratory distress or other respiratory issues in the newborn. This finding requires immediate attention and intervention to ensure proper respiratory function.

Choice C rationale:

The nurse should not report the client's Glucose level first to the primary health care as 40 mg/dL is within the normal range of 30 to 60 mg/dL for a newborn. Though it is on the lower side, it is not critically low, and there are more urgent concerns to address.

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In a newborn infant, which of the following is the liver's job related to bilirubin?

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Naxlex Comprehensive Predictor Exams

The nurse enters the room and notices that the room feels cold. The mother says, "He has been crying and kicking and now he seems very tired.”. What is the nurse's priority concern?

Correct Answer is B

Explanation

A nurse is assisting in the care of a newborn born 1 hr ago who was delivered at 38 weeks of gestation. Exhibits Which action should the nurse take first?

Correct Answer is B

Explanation

A mother asks, "Why does my infant have blue hands?".

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Exhibit 1. A nurse understands which of the following assessment findings as a priority to indicate that a newborn may be experiencing cold stress and burning brown fat to produce heat? (Select all that apply.).

Exhibit 1. How can the nurse assess the successful transition of the respiratory system in the newborn? (Select All that Apply.).