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Question 1

What is the purpose of the respiratory system?

Answer 1

Exchanging gases - Oxygen and carbon dioxide
Transportation of oxygen into the blood & carbon dioxide out of the body

Question 2

What is the purpose of the circulatory system?

Answer 2

Moving blood round the body
Transporting oxygen around the body with haemoglobin
Immune response - WBC

Question 3

Describe the components of blood

Answer 3

Plasma - liquid component of blood, yellow in colour
Platelets - colourless fragments that help blood clotting
Haemoglobin - protein in red blood cells, responsible for carrying oxygen in the blood
White blood cells - help with immune responses
Red blood cells - hold haemoglobin to transport oxygen, main component of blood
Water - acts as a solvent to dissolve nutrients in the blood for easy transportation

Question 4

What are the components of the heart?

Answer 4

Ventricle - bottom chambers
Atria - top chambers
Valves - between ventricles and atria, prevent blood from flowing the wrong way
Coronary artery - main blood supply to the heart
Pulmonary artery - takes blood to the lungs to be oxygenated
Aorta - transports oxygenated blood to the body
Vena Cava - takes deoxygenated blood to the heart

Question 5

What are the components of the lungs?

Answer 5

Trachea - main tube to the lungs
Bronchi - tube into each lung
Bronchioles - smaller branches of bronchi, divert into each lung
Alveoli - sacs in which gas exchange occurs

Question 6

Summarise the role and responsibilities of a first aider

Answer 6

Secure the area, make it safe, ensure the injured person is comfortable and being looked after, provide adequate first aid

Question 7

Describe how to establish consent to provide first aid and CPR

Answer 7

Ask the patient
Ask a person accompanying the patient
Keep the patient informed of every process/action undertaken when performing first aid
Act in the patients best interests