You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following will favour the diagnosis of RDS in newborn: and explain in detail?
b. Air bronchogram in chest X-ray(Ref: Nelson's 20/e p 850-857, Ghai 8/e p 169-170)Discussing about the options one by one,a.Receipt of antenatal steroidsNoAntenatal steroids protect against RDSb.Air bronchogram in chest X-rayYesAir bronchogram on Chest X-ray is a feature of RDSc.Manifests after 6 hrsNoRDS manifests soon after birth & not after 6 hoursd.Occurs after term gestationNoIt usually occurs in preterm neonates