Home › MCQs › PTECH Physiology › Question #3252
Back to Questions
PTECH Physiology QUESTION #3252
Question 1
'Dead Space' in the respiratory system refers to:
  • The area where gas exchange occurs
  • The air in the conducting zone (trachea/bronchi) that doesn't reach alveoli✔️
  • The volume of a collapsed lung
  • The area behind the nose
Correct Answer Explanation
This air is breathed in but never participates in gas exchange.