In which health problem phototherapy may be useful?

UPPSC-2021

Child Health Nursing (Pediatrics)

Easy

Appeared in: UPPSC-2021

Explanation

Phototherapy is the first-line treatment for neonatal jaundice (unconjugated hyperbilirubinemia).
It utilizes blue-green light (wavelength 460-490 nm) to convert toxic, fat-soluble bilirubin in the skin into non-toxic, water-soluble isomers.
The main water-soluble product, lumirubin, is easily excreted in urine and bile, bypassing the need for liver conjugation.
This process effectively lowers serum bilirubin levels, preventing the risk of bilirubin-induced brain damage (kernicterus).

Option A: While a form of phototherapy is used for eczema, it involves different wavelengths (UV light) and is not the most common or critical application implied in a general nursing question.
Option B: Similar to eczema, psoriasis is treated with UV phototherapy (e.g., NB-UVB or PUVA), not the blue-light therapy used for jaundice. The term 'phototherapy' in pediatrics and general nursing most strongly associates with neonatal jaundice.
Option D: Phototherapy is not a treatment for burns. It provides no benefit for thermal or chemical injuries to the skin and is contraindicated.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Application of Phototherapy as background academic context rather than a clinical decision trigger.
Nurses are central to the safe administration of phototherapy, requiring meticulous care in protecting the infant's eyes, maximizing skin exposure, monitoring temperature and hydration, and tracking bilirubin levels.
Failure to initiate timely phototherapy or manage it correctly can lead to kernicterus, a preventable but devastating form of permanent brain damage.
What if? If an infant develops a grayish-brown skin discoloration ('bronze baby syndrome') during phototherapy, the nurse must suspect underlying cholestatic (obstructive) jaundice. Phototherapy is contraindicated in this case, and the nurse must notify the physician immediately as the treatment plan needs to be changed.

How to Approach the Question

First, identify the core concept in the question, which is the clinical application of 'phototherapy'.
Analyze the given options: Eczema, Psoriasis, Neonatal jaundice, and Burn.
Recognize that while light therapy is used for multiple conditions, its context in nursing education is very specific. The term 'phototherapy' is most frequently and critically associated with the treatment of neonatal jaundice.
Evaluate the clinical significance. The use of phototherapy in newborns is a life-saving intervention to prevent severe, permanent brain damage (kernicterus). This high-stakes application makes it a priority topic.
Even if you know phototherapy is used for skin conditions, choose the option that represents the most common, critical, and fundamental application taught in nursing. In this case, that is neonatal jaundice.

Concept Tested & Keywords

QLGksMI2RWcJkjDvyjf8Mc

E6 Text Book Of Pediatric Nursing 3rd Panchali Pal — Part 1 (pp 36-238 of 713) pp. 194-196, 193-195

E6 Ghai Essential Pediatrics(pp 26-904 of 913) p. 172-174