IMAT 2011 Q57 [Ventilation]

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1

In the process of ventilation the following occur:

  1. Pressure in thorax increases
  2. Volume of thorax increases
  3. Diaphragm goes down
  4. Ribcage goes down

Which of these occur during inhalation?

A. 1 and 2 only

B. 2 and 3 only

C. 3 and 4 only

D. 1 and 3 only

E. 2 and 4 only