This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
Side effects of oxygen therapy are all except: 
Select and explain. 
A. Absorption atelactasis, B. Increased pulmonary compliance, C. Decreased vital capacity, D. Endothelial damage
B: Increased pulmonary compliance
Answer: B: Increased pulmonary compliance 
Explanation: B i.e., Increased pulmonary compliance Hyperoxia (oxygen toxicity) may lead to hypoventilation, hypercapnia (but not necessarily hypoxia), absorption atelectasis, decreaed vital capacity, deterioration of pulmonary compliance & blood gasesQ, interstitial edema, pulmonary fibrosis, tonic clonic seizure & retinopathy of prematurity d/t free radicle induced damage of sulfhydryl group enzymes, endotheliumQ, epithelium and surfactant systems