Final answer:
Lung compliance is decreased in Respiratory Distress Syndrome (RDS) and when intra-alveolar pressure is increased.
Step-by-step explanation:
Lung compliance is decreased in Respiratory Distress Syndrome (RDS) and when intra-alveolar pressure is increased. In RDS, the airways are less compliant and stiff, leading to difficulty exhaling air. When intra-alveolar pressure is increased, the lungs become less pliable and it becomes harder to take in oxygen and release carbon dioxide. Therefore, the correct answer is F: B and C are correct.