A nurse is collecting data from a newborn. Which of the following anatomical landmarks should the nurse use to measure chest circumference?
Sternal notch.
Nipple line.
Lower ribcage border.
Axillae.
The Correct Answer is B
The nurse should use the lower ribcage border to measure chest circumference.
Choice A rationale:
The sternal notch is not an appropriate landmark for measuring chest circumference. It is a notch at the top of the sternum and not indicative of chest circumference.
Choice B rationale:
When measuring the chest circumference of a newborn, the correct anatomical landmark to use is the nipple line. This method ensures that the measurement is taken at a consistent and reproducible location across different individuals, providing an accurate assessment of the chest size relative to growth and development standards. It's important to position the measuring tape at the level of the nipples, encircling the chest at its largest point, which typically aligns with the nipple line.
Choice C rationale:
The lower ribcage border is also not suitable as it may vary significantly with respiratory movements and is not a stable landmark for consistent measurements.
Choice D rationale:
The axillae (armpits) are not used as a landmark for measuring chest circumference. It is not a standardized anatomical point for this purpose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Notifying the provider immediately may be an appropriate action in certain urgent situations. However, for a newborn who has not voided for the first time yet, it is not an immediate emergency. The priority is to assess the newborn's condition further before notifying the provider.
Choice B rationale:
Pressing on the bladder to prevent urine retention is not a recommended action. Applying pressure on the newborn's bladder can be harmful and is not a standard nursing practice.
Choice C rationale:
Administering IV fluid is not the priority action for a newborn who has not voided. Newborns usually receive sufficient hydration from breastfeeding or formula feeding, and administering IV fluid without proper indication can lead to potential complications.
Choice D rationale:
Documenting and continuing monitoring is the correct priority action in this situation. Newborns often take some time to pass their first urine, and it is considered normal for them to have delayed voiding within the first 24 hours after birth. The nurse should document the absence of voiding and monitor the newborn for any signs of distress or abnormalities. If the newborn's condition worsens or if there are other concerning symptoms, then notifying the provider may be necessary.
Correct Answer is ["B","C","D","E"]
Explanation
Choice A rationale:
Drying the baby thoroughly is not directly related to assessing the successful transition of the respiratory system. It is essential for warmth and comfort but does not provide specific information about the respiratory system.
Choice B rationale:
Suctioning the mouth and nose with a bulb syringe to clear mucus is important to ensure the airways are clear and the newborn can breathe effectively. This action helps assess the airway patency and successful initiation of breathing.
Choice C rationale:
Observing the chest and abdomen is crucial to assess the respiratory effort and symmetry. Normal chest movements and equal rise and fall of the abdomen indicate a successful transition of the respiratory system.
Choice D rationale:
Counting the number of respirations per minute is essential to determine if the respiratory rate falls within the expected reference range (around 30-60 breaths per minute for a newborn) and if there are any irregularities.
Choice E rationale:
Observing the color of the mucous membranes is important as cyanosis (blue discoloration) may indicate inadequate oxygenation. Pink mucous membranes are a positive sign, indicating a successful transition of the respiratory system.
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