A nurse is completing the admission assessment of a newborn. Which of the following anatomical landmarks should the nurse use when measuring the newborn’s chest circumference?
Xiphoid process.
Fifth intercostal space.
Sternal notch.
Nipple line.
The Correct Answer is D
Choice A rationale
The xiphoid process is not the correct anatomical landmark for measuring chest circumference in newborns. It is located at the lower end of the sternum and does not provide a consistent measurement point.
Choice B rationale
The fifth intercostal space is not used for measuring chest circumference in newborns. This space is located between the ribs and is not a reliable landmark for consistent measurements.
Choice C rationale
The sternal notch is not the correct landmark for measuring chest circumference. It is located at the top of the sternum and does not provide a consistent measurement point.
Choice D rationale
The nipple line is the correct anatomical landmark for measuring chest circumference in newborns. This method ensures that the measurement is taken at a consistent and reproducible location, providing an accurate assessment of the chest size relative to growth and development standards.
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Correct Answer is C
Explanation
Choice A rationale
Depressed fontanelles are not exclusive to premature newborns. They can occur in both premature and full-term infants and are not an indicator of prematurity.
Choice B rationale
Depressed fontanelles do not indicate infection. Infections in newborns typically present with other symptoms such as fever, irritability, and poor feeding.
Choice C rationale
Depressed fontanelles are a sign of dehydration in newborns. When a newborn is dehydrated, the fontanelles can appear sunken due to the lack of fluid in the body.
Choice D rationale
Depressed fontanelles are not a normal finding in newborns. Normally, fontanelles should be flat or slightly curved inward. A depressed fontanelle is a clinical sign that requires further evaluation and intervention.
Correct Answer is ["D","F","G","H"]
Explanation
Choice A rationale
Flexion of arms is a normal finding in newborns and does not indicate respiratory distress.
Choice B rationale
Caput succedaneum is a common condition where the scalp swells due to pressure during delivery. It does not indicate respiratory distress.
Choice C rationale
A heart rate of 158 bpm is within the normal range for newborns and does not indicate respiratory distress.
Choice D rationale
A respiratory rate of 66/min is above the normal range (30-60 breaths per minute) and indicates respiratory distress.
Choice E rationale
Acrocyanosis is common in newborns and does not indicate respiratory distress.
Choice F rationale
Subcostal retractions indicate increased work of breathing and are a sign of respiratory distress.
Choice G rationale
Nasal flaring is a sign of respiratory distress as it indicates increased effort to breathe.
Choice H rationale
Grunting is a sign of respiratory distress as it indicates difficulty in maintaining lung expansion.