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The nurse is assessing a newborn at 1 hour of age. Which finding requires the nurse's immediate action?

A.

Pauses in respiration lasting 30 seconds

B.

Respiratory rate 36, crackles present bilaterally

C.

Apical heart rate of 160 with mild systolic murmur heard

D.

Small white papules on nose and chin

Answer and Explanation

The Correct Answer is B

A) Pauses in respiration lasting 30 seconds:
Pauses lasting longer than 20 seconds or accompanied by other signs of distress would warrant further evaluation. A 30-second pause by itself, without additional concerning symptoms, is generally not a reason for immediate action.

B) Respiratory rate 36, crackles present bilaterally:
The presence of bilateral crackles is concerning. Crackles can indicate fluid in the lungs, possibly from retained amniotic fluid or respiratory distress syndrome (RDS). In a term newborn, bilateral crackles at this time, especially if accompanied by tachypnea or other signs of respiratory distress, may indicate a serious respiratory issue, such as aspiration pneumonia or RDS. Immediate assessment and intervention are necessary to ensure the infant is breathing adequately and that there are no underlying complications.

C) Apical heart rate of 160 with mild systolic murmur heard:
An apical heart rate of 160 is within the normal range for a newborn (typically 120-160 bpm). A mild systolic murmur is also not uncommon in newborns and may be benign, especially in the first few days of life. Murmurs are often transient and can be caused by normal circulatory changes as the newborn's cardiovascular system adjusts after birth. Although a heart murmur should be monitored, it is not typically an urgent concern unless associated with signs of poor perfusion or other cardiac symptoms.

D) Small white papules on nose and chin:
These small white papules are likely milia, which are common and harmless in newborns. Milia are keratin-filled cysts that typically appear on the face, especially around the nose and chin. They are a normal finding and resolve on their own without treatment. These papules do not require immediate action.


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Related Questions

Correct Answer is ["4"]

Explanation

The Apgar score is calculated based on five criteria, each scored from 0 to 2:

  1. Heart rate

    • 0 = Absent
    • 1 = Below 100 beats per minute ✅
    • 2 = 100 or more beats per minute

  2. Respiratory effort

    • 0 = Absent
    • 1 = Slow, irregular ✅
    • 2 = Good, crying

  3. Muscle tone

    • 0 = Limp
    • 1 = Some flexion of extremities ✅
    • 2 = Active motion

  4. Reflex irritability (response to stimulation, e.g., suctioning)

    • 0 = No response
    • 1 = Grimace ✅
    • 2 = Crying, active withdrawal

  5. Color

    • 0 = Blue, pale
    • 1 = Body pink, extremities blue
    • 2 = Completely pink

Apgar Score Calculation:

  • Heart rate: 1
  • Respiratory effort: 1
  • Muscle tone: 1
  • Reflex irritability: 1
  • Color: 0

Total Apgar Score: 4

A score of 4 suggests the newborn is in distress and requires immediate medical intervention, such as oxygen support and further assessment.

Correct Answer is A

Explanation

A) Protect the fetal skin from amniotic fluid:
Vernix caseosa is a whitish, cheese-like substance that covers the skin of the fetus during the second and third trimesters of pregnancy. It plays an essential role in protecting the fetal skin from prolonged exposure to amniotic fluid, which can be irritating. Vernix also serves as a barrier that helps prevent water loss and protects against potential infections.

B) Promote normal peripheral nervous system development:
While the development of the peripheral nervous system is vital to fetal development, the presence of vernix caseosa is not directly related to promoting nervous system development. The vernix's primary function is to protect the skin, not influence neural development. Neural development occurs due to other factors, such as adequate nutrition and hormonal regulation during pregnancy.

C) Allow transport of oxygen and nutrients across the amnion:
Vernix caseosa does not play a role in transporting oxygen or nutrients across the amnion. Oxygen and nutrients are transferred to the fetus through the placenta and the umbilical cord. The amniotic sac, which contains amniotic fluid, provides a cushioning effect for the fetus, but the vernix itself does not participate in nutrient or oxygen exchange.

D) Regulate fetal temperature:
Vernix caseosa does not directly regulate fetal temperature. Fetal temperature regulation is mainly managed by the mother's body through thermoregulation and the umbilical blood flow. The vernix may provide some protection against temperature fluctuations after birth, but its primary function is to protect the skin, not to regulate temperature.

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