Physiological jaundice occurs after?

Appeared in: NIMHANS Nursing Officer - 2019

Explanation

Physiological jaundice is a common, benign condition seen in the majority of newborns.
Its onset is characteristically after the first 24 hours of life, usually becoming visible on the 2nd or 3rd day.
This timing is a result of the natural breakdown of fetal red blood cells combined with the functional immaturity of the newborn's liver, which cannot yet conjugate and excrete bilirubin efficiently.

Option B: Jaundice appearing within the first 24 hours of life is a primary indicator of pathological jaundice, not physiological.
Option C: Jaundice present at birth (icterus gravis neonatorum) is always considered pathological and signals a severe underlying issue.
Option D: This option is incorrect because only one of the time frames is correct for physiological jaundice. The onset times for physiological and pathological jaundice are mutually exclusive.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Onset of Physiological Jaundice in Newborns as background academic context rather than a clinical decision trigger.
Nurses play a crucial role in routinely screening all newborns for jaundice through visual inspection (using Kramer's rule) and transcutaneous bilirubinometry.
Accurate documentation of the time of onset is critical to differentiate between benign physiological jaundice and potentially dangerous pathological jaundice that requires urgent intervention.
Patient education is key; nurses must teach parents how to monitor for jaundice at home and when to seek medical help, especially after early discharge.

How to Approach the Question

First, identify the core concept of the question, which is 'physiological jaundice'.
Recall the defining characteristics of physiological jaundice from your nursing knowledge, paying close attention to its typical time of onset.
Contrast this with the characteristics of 'pathological jaundice', which is the main differential diagnosis. The key difference is the timing.
Evaluate the given options based on this knowledge. 'After 24 hours' aligns with the definition of physiological jaundice.
Eliminate the other options. 'Within 24 hours' and 'At birth' are classic signs of pathological jaundice, making them incorrect for this question.

Concept Tested & Keywords

QzRVdlQ73j9hee6qeIINO4

E6 Text Book Of Pediatric Nursing 3rd Panchali Pal — Part 1 (pp 36-238 of 713) p. 190-192

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 1120-1122

E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 168-170

Practise the full NIMHANS Nursing Officer - 2019

Attempt every question from this paper in a timed mock, then review the full solution for each one.