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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Back to sleep.
Choice A rationale:
Placing a baby on their back to sleep is the most effective way to prevent flat spots on the back of their head. This sleeping position, recommended by pediatric experts, helps reduce the risk of sudden infant death syndrome (SIDS) while also minimizing pressure on any one part of the baby's head, thus decreasing the likelihood of developing flat spots.
Choice B rationale:
Taking the baby for walks does not directly address the prevention of flat spots on the back of the head. Although it is beneficial for the baby's overall well-being, it does not specifically address the positional issue that leads to flat spots.
Choice C rationale:
Keeping the baby awake most of the day is not a suitable solution, as it may lead to sleep deprivation and hinder the baby's development. Adequate sleep is essential for a baby's growth and development.
Choice D rationale:
Tummy time is a valuable activity to promote the baby's neck and upper body strength. While it can indirectly contribute to preventing flat spots by encouraging different head positions, it is not as effective as placing the baby on their back to sleep.
Correct Answer is B
Explanation
"This is a caput succedaneum, which is a collection of fluid from the pressure of the vacuum extractor.”.
Choice A rationale:
A Mongolian spot is a benign, flat, bluish-gray pigmented area often found on the sacral or gluteal area of some newborns with darker skin tones. It is not related to the swelling on the newborn's head caused by vacuum extraction.
Choice B rationale:
A caput succedaneum is a localized swelling on the baby's scalp that occurs due to pressure from the vacuum extractor during delivery. It is typically soft and may cross the suture lines. This explanation accurately describes the swelling the baby has on his head.
Choice C rationale:
Erythema toxicum is a common rash that appears as small red bumps with white or yellow centers. It is a benign and self-resolving condition that does not cause swelling on the head or involve the suture lines.
Choice D rationale:
A cephalhematoma is a collection of blood between the skull and the periosteum that does not cross the suture lines. It is caused by trauma during birth and may take weeks to months to resolve. This does not match the description of the swelling caused by vacuum extraction.
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