Chapter 2

What is the main function of the respiratory system?

• Vision

• Breathing

• Digestion

• Circulation

What happens during inhalation?

• Air flows out of the lungs

• Chest cavity expands and lungs contract

• Ribs move up and out, chest cavity expands, and lungs fill with air

• Diaphragm relaxes and chest cavity becomes smaller

What is the condition called when there is insufficient oxygen in the body tissues?

• Hypertension

• Anemia

• Hypoxia

• Hyperthermia

What are the signs of moderate to severe hypoxia?

• Slow breathing and calmness

• Yellow skin tone

• No change in breathing pattern

• Rapid breathing and restlessness

What causes the airways to become narrowed in an asthma attack?

• Muscle relaxation

• Increased lung capacity

• Airway swelling

• Excessive oxygen intake

What should be done during a mild asthma attack?

• Lay the casualty down flat

• Perform CPR right away

• Call 999 immediately

• Use a reliever inhaler and breathe slowly

What are the main causes of airway obstruction?

• Increased oxygen levels

• Healthy lung function

• Internal swelling of the throat

• Normal breathing process

What are the symptoms of airway obstruction?

• Clear air passages

• Blue skin tone and calmness

• Difficulty speaking and breathing

• Noisy breathing and red face

What is the first step in managing a choking adult?

• Check for response

• Commence CPR

• Place the casualty in recovery position

• Check for danger

How to check if there is any obstruction in the mouth?

• Perform tongue jaw lift

• Perform abdominal Thrust.

• Lift the chin

• Perform back blows