1 Given below is the schematic representation of chest wall movement in a patient who is in respiratory distress after sustaining polytrauma in a road traffic accident.

The condition is most likely to result from which one of the following conditions

(A) diaphragmatic rupture

(B) hemopneumothorax

(C) multiple fracture ribs with flail segment

(D) fat embolism.

2. Which one of the following modes of mechanical ventilation shown below depicts mechanical breath triggered by patient's inspiratory effort

(A) mode 1

(B) mode 2

(C) mode 3

(D) mode 4