Investigation of choice for detection and characterization of interstitial lung disease is-
Ans. is 'c' i.e.. High resolution CT o High Resolution CT (HRCT) is investigation of choice for interstitial lung disease as it can delineate the lung parenchyma upto the level of secondary pulmonary lobule.
MRI
Chest x-ray
High resolution CT
Ventilation perfusion scan
Interstitial Lung Disease