All are features indicative of physiological jaundice of a newborn EXCEPT?

AIIMS Bhuvneshwar NO- 2018

Child Health Nursing (Pediatrics)

Easy

Appeared in: AIIMS Bhuvneshwar NO- 2018

Explanation

The defining feature that separates physiological from pathological jaundice is the time of onset.
Jaundice appearing within the first 24 hours of life is considered a red flag for a pathological process.
Early jaundice suggests an accelerated breakdown of red blood cells (hemolysis) or an underlying infection, which is not part of the normal physiological process.
Physiological jaundice is a result of the normal, temporary inability of an immature liver to handle the bilirubin load from the breakdown of fetal red blood cells after birth.

Option A: This is a core feature of physiological jaundice. The delay in appearance is because it takes more than a day for bilirubin levels to rise enough to be clinically visible from normal postnatal processes.
Option B: This describes the typical resolution of physiological jaundice in a term infant. As the liver matures and the infant establishes good feeding, bilirubin is cleared effectively, and the jaundice fades.
Option C: This is the classic time for the peak intensity of physiological jaundice in term newborns. It reflects the point of maximum imbalance between bilirubin production and the liver's conjugating capacity.

Visual 1: Comparison Table - A side-by-side table contrasting the key features (onset, peak, duration, bilirubin levels, cause) of physiological versus pathological jaundice.
Visual 2: Diagram - Kramer's Zones of Jaundice Progression. This visual helps nurses estimate bilirubin levels based on how far down the body the jaundice has progressed, from head (zone 1) to soles (zone 5).

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Differentiating between physiological and pathological jaundice in newborns as background academic context rather than a clinical decision trigger.
A nurse's primary role is the accurate assessment and documentation of jaundice. Noting the exact time of onset (before or after 24 hours) is critical for early diagnosis.
Any newborn noted to be jaundiced within the first 24 hours of life must be reported to the physician immediately for further investigation, including bilirubin levels and possible causes.
Nurses should educate parents on the signs of worsening jaundice and the importance of frequent feeding (8-12 times a day) to promote bilirubin excretion through stools.

How to Approach the Question

First, identify the negative keyword 'EXCEPT'. This tells you to look for the option that is inconsistent with the condition mentioned (physiological jaundice).
Recall the hallmark characteristics of physiological jaundice: it appears AFTER 24 hours, peaks around day 3-5, and resolves in 1-2 weeks.
Evaluate each option against these characteristics.
Option A ('appears after 24 hours') matches the definition.
Option B ('fades by 7th day') matches the definition.
Option C ('peaks by 3rd day') matches the definition.

Concept Tested & Keywords

Concept Tested: Differentiating between physiological and pathological jaundice in newborns.
Stem keywords: physiological jaundice, newborn, features
Lead-in keywords: EXCEPT
Negative lead-in flag: This question asks for the exception, meaning three options are true statements about physiological jaundice and one is false.

QPwCDaNZQGOqihi3WUnrYS