(a(i))[1]
State what happens to the patient’s chest when air is forced into the lungs.
(a(ii))[2]
Name, in the correct sequence, the tubes through which air travels from the patient’s mouth to the alveoli of the lungs.
(a(iii))[2]
State two differences in gas concentrations between the forced air and normal inhaled air.
(b)[4]
Explain how each action of the CPR procedure helps the patient: air forced into the patient’s lungs; repeated compression of the patient’s chest.