List of top Physiology Questions on The respiratory system

Identify the marked region in the given spirometry.
spirometry
A preterm baby who was delivered at 28 weeks developed respiratory distress syndrome.Which of the following is true about surface tension and compliance in this baby?
With increase in age which of the following is true for lungs?
What is the difference between the amount of O2 inspired (taken up) and the CO2 expired per minute?
A patient arrived in ER following an RTA with hypotension, respiratory distress and subcutaneous emphysema with no entry of air on one side. What will be the best management?
In RDS in a child, which cells are found defective ?
12 yr old Child admitted to ICU with blunt trauma and femur fracture - \(Pa_{O_2}\) 60% despite 100% \(O_2\) and rebreather mask, CXR shows lung fields clear but the patient remains confused. What is most likely the diagnosis ?
Mouth to mouth respiration provides what percentage of oxygen ?
35-year-old woman with a long history of dyspnea, chronic cough, sputum production, and wheezing dies of respiratory failure following a bout of lobar pneumonia. She was not a smoker or an alcoholic. The lung autopsy is shown in the image. Which of the following underlying condition was most likely associated with the pathologic changes shown here ?
dyspnea
Functional residual volume is?
When the values of Fev1=1.3 & FCV=3.9. Which of the following does this signify?
Gold criteria for very severe COPD