2 Which of the following provides the surface for gas exchange in the lungs? A Smooth muscle B Squamous epithelium C Ciliated epithelium D Cartilage rings
4 Which of the following is a common respiratory illness caused by a virus? A Common cold B Diabetes C Heart attack D Kidney stone
5 The tiny blood vessels surrounding the alveoli are called: A Veins B Capillaries C Arteries D Venules
6 What is the product of aerobic respiration? A Lactic acid and ATP B Carbon dioxide and water C Ethanol and ATP D Glucose and oxygen
7 Which of the following is not part of the respiratory system? A Trachea B Bronchi C Oesophagus D Lungs
8 What is the function of the respiratory system? A To pump blood throughout the body B To take in oxygen and remove carbon dioxide C To digest food D To filter waste from the blood
11 What is the term for the maximum amount of air a person can exhale after a maximum inhale? A Tidal volume B Vital capacity C Residual volume D Inspiratory capacity
13 Which structure prevents food from entering the trachea? A Larynx B Epiglottis C Pharynx D Bronchus
14 Which tube carries air from the nose and mouth to the lungs? A Oesophagus B Trachea C Bronchiole D Alveolus
15 What is the main difference between breathing and respiration? A Breathing is the exchange of gases; respiration is the release of energy from food B There is no difference C Breathing occurs in lungs; respiration occurs in cells D Both A and C
16 What is the sheet of muscle below the lungs that helps with breathing? A Pleura B Diaphragm C Epiglottis D Trachea
17 Which part of the respiratory system is commonly called the 'windpipe'? A Trachea B Bronchus C Bronchiole D Alveolus
18 The nose and pharynx together are part of the: A Upper respiratory tract B Lower respiratory tract C Digestive system D Nervous system
21 What is the function of the mucus in the respiratory tract? A To warm the air B To trap dust and pathogens C To exchange gases D To produce sound
22 Which of the following is a disease of the respiratory system? A Asthma B Diabetes C Hepatitis D Arthritis
24 During exhalation, the diaphragm: A Contracts B Relaxes and moves upward C Does not change D Moves downward