This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: High-Risk Infant - Prematurity & Intrauterine Growth Restriction, Subject name: Pediatrics
Increased oxygen delivery during prematurity causes all the following EXCEPT: 
Select and explain. 
A. Vasoconstriction, B. Vasodilation, C. Vaso obliteration, D. Neovascularisation
B: Vasodilation
Answer: B: Vasodilation 
Explanation: Ans. (b) VasodilationRef.:: Nelson's 18th edCh: 97.2 style="font-size: 1.04761904761905em; font-family: Times New Roman, Times, serif">. gov/pubmed/12030843Supplemental oxygen in premature infants leads to the development of bronchopulmonary dysplasia.The Pathogenesis Involves* Vasoconstriction in the retina is an early response to oxygen that can lead to Vaso-obliteration.* Neovascularization* FibrosisOxygen causes tissue injury through the formation of reactive oxygen intermediates and peroxidation of membrane lipids.