(a)
1. BMI: Body mass index is a measure for human body shape based on an individual’s mass and height. Thus this method determines whether the person is obese or not.
BMI = Mass (kg)/Height (m)2
2. BCG: It is a vaccine against tuberculosis that is prepared from a strain of the attenuated live bovine tuberculosis bacillus. It can be anywhere from 0 to 80% effective in preventing tuberculosis for a duration of 15 years.
(b)
1. CPR: Cardiopulmonary resuscitation is an emergency procedure for manually preserving brain function until further measures to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.
2. ABC: Airway, Breathing and Circulation. This means that when providing first air, the airway of the injured person must be checked first, then the breathing and after that, the circulation, to see that the heart is beating or not.
(c) Three injuries to skin are:
1. Bruises when the skin drags to the surface.
2. Cuts and wounds when there is a major accident.
3. Bums by any means of hot bodies.
(d) Three symptoms of bone injury are:
1. When the body part is not moving and there is extreme pain.
2. The area has swollen from the usual shape.
3. If forced to move that area, cracking sound occurs between the bones.
