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RESPIRATION -312 TUTORIAL 1

RESPIRATION -312 TUTORIAL 1. Dr. Zahoor. Topics. Functional Anatomy RQ Barometric/Intra-Alveolar/Intra-Pleural Pressure Transmural or Transpulmonary Pressure Pneumothorax, Pleurity, Pleural Effusion Muscles of Inspiration/Expiration Airway Resistance Obstructive Lung Disease

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RESPIRATION -312 TUTORIAL 1

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  1. RESPIRATION -312 TUTORIAL 1 Dr. Zahoor

  2. Topics • Functional Anatomy • RQ • Barometric/Intra-Alveolar/Intra-Pleural Pressure • Transmural or Transpulmonary Pressure • Pneumothorax, Pleurity, Pleural Effusion • Muscles of Inspiration/Expiration • Airway Resistance • Obstructive Lung Disease • Lung Volume • Lung Capacities • FEV1, FVC, FEV1% • FEV1 Importance in Obstructive Lung Disease • Pulmonary & Alveolar Ventilation • V/Q Ratio [Ventilation/Perfusion Ratio]

  3. Q.1 What is External Respiration? Q2. What is Internal Respiration [cellular respiration]? Q3. What is RQ? What is its significance?

  4. Q4. What are non-respiratory functions of the respiratory system? Q5. Where does the gas exchange take place? Q6. What is Respiratory Membrane?

  5. Q7. What is - Barometric Pressure - Intra-Alveolar Pressure - Intra Pleural Pressure Q8. Draw the curve showing Intra-Alveolar/Intra-Pleural Pressure during normal quiet inspiration and expiration. Q9. What is Transmural or Transpulmonary Pressure? What is its importance?

  6. Q10. What is Surfactant? What is its function? Q11. What will happen to lungs if there is Pneumothorax? Give reasons for your answer. Q12. Write Active Process/Passive Process and why do you say so? • Normal Inspiration • Normal Expiration

  7. Q13.What are the muscles of Forced Inspiration [Accessory Muscles]? Q14. What are the muscles of Forced Expiration [Accessory Muscles of Expiration]? Q15. If phrenic nerve is injured due to cervical cord injury, what will happen to Respiration?

  8. Q16. What is effect of Sympathetic and Parasympathetic ANS on airways [bronchioles]? Q17. What diseases are called COPD? Q18. In Obstructing disease, there will be more difficulty in Inspiration or Expiration?

  9. Q19. Define Tidal Volume. Q20. Define IRV, ERV, and RV. Q21. Define VC, IC, FRC, and TLC. Q22. What is FEV1? What is its importance?

  10. Q23. Define Pulmonary Ventilation? Q24. If TV is 500ml and respiratory rate is 12/min. What is the Pulmonary Ventilation? Q25. If TV is 500ml, Anatomical dead space is 150ml, and respiratory rate is 12/min. What is the Alveolar Ventilation?

  11. Q26. What is Physiological Dead Space? Q27. Perfusion is more at Apex or Base of Lungs? Q28. V/Q Ratio is more at Apex or Base of Lungs?

  12. Thank you

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