The nurse notes that a newborn's white blood cell count (WBC) is 15,000. The nurse is aware that:.

This indicates a severe infection.

This is a normal WBC for a newborn.

This is a lab error.

You must call the doctor.

Answer and Explanation

The Correct Answer is B

Choice A rationale:

A white blood cell count of 15,000 does not necessarily indicate a severe infection. In newborns, WBC counts are typically higher than in adults, and they gradually decrease over the first few days after birth. A value of 15,000 falls within the normal range for a newborn and is not indicative of a severe infection.

Choice B rationale:

A white blood cell count of 15,000 is considered a normal range for a newborn. Newborns have higher WBC counts as a natural response to the stress of birth and exposure to the outside environment. The immune system is still developing, and elevated WBC counts are normal during this period.

Choice C rationale:

Assuming there are no other indications of lab error, such as abnormal results in other tests, it would be premature to label the WBC count as a lab error. Additionally, healthcare professionals should always consider the overall clinical picture before assuming a lab error based on a single result.

Choice D rationale:

There is no immediate need to call the doctor based solely on the WBC count of 15,000. Medical decisions should be made in the context of the newborn's overall clinical condition, and a single lab result does not warrant an immediate call to the doctor.

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Correct Answer is D

Explanation

Choice A rationale:

15 mL is not the correct choice because it only considers the first two feedings and does not account for the intake during the entire shift.

Choice B rationale:

30 mL is not the correct choice because it only considers the first three feedings and does not account for the intake during the entire shift.

Choice C rationale:

45 mL is not the correct choice because it only considers the first four feedings and does not account for the intake during the entire shift.

Choice D rationale:

The nurse should record 60 mL of formula as the newborn's intake for the shift. To calculate the total intake, you add the amounts from each feeding: 0.5 oz + 1 oz + 0.5 oz + 0.5 oz + 0.5 oz = 60 mL. Remember that 1 fluid ounce (oz) is approximately equal to 30 mL.

A. The newborn with significant bruising from a face presentation. B. The premature newborn. C. The baby born at 41 weeks' gestation. D. The newborn with O+ blood type, born to a mother with O- blood type.

Correct Answer is C

Explanation

Choice A rationale:

(Incorrect) The newborn with significant bruising from a face presentation is at an increased risk of elevated unconjugated bilirubin levels. Bruising can lead to the breakdown of red blood cells, increasing bilirubin production.

Choice B rationale:

(Incorrect) The premature newborn is at a higher risk of elevated unconjugated bilirubin levels. Premature infants often have an underdeveloped liver, which can lead to reduced bilirubin processing and clearance.

Choice C rationale:

(Correct) The baby born at 41 weeks' gestation is at the lowest risk for elevated unconjugated bilirubin levels. By this stage, the baby's liver is more mature, allowing for efficient processing and clearance of bilirubin.

Choice D rationale:

(Incorrect) The newborn with O+ blood type, born to a mother with O- blood type, is at an increased risk of elevated unconjugated bilirubin levels if the baby's blood type is Rh-positive and the mother's is Rh-negative. This situation can lead to Rh incompatibility and hemolytic disease of the newborn, causing higher bilirubin levels.

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The nurse notes that a newborn's white blood cell count (WBC) is 15,000. The nurse is aware that:.

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a newborn who is formula-fed. The newborn takes 0.5 oz of formula at 0800, 1 oz at 1100, 0.5 oz at 1300, 0.5 oz at 1600, and 0.5 oz at 1830. How many mL of formula should the nurse record as the client's intake for the shift?

Correct Answer is D

Explanation

Which newborn is at the lowest risk for elevated unconjugated bilirubin levels?

Correct Answer is C

Explanation

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