1 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
3 What is the flap of tissue that covers the trachea during swallowing? A Pharynx B Epiglottis C Larynx D Bronchus
5 Which of the following is a common respiratory illness caused by a virus? A Common cold B Diabetes C Heart attack D Kidney stone
6 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
8 What is the name of the inflammation of the bronchial tubes? A Bronchitis B Laryngitis C Pharyngitis D Tonsillitis
9 Which structure prevents food from entering the trachea? A Larynx B Epiglottis C Pharynx D Bronchus
10 What is the process of breathing out called? A Inhalation B Exhalation C Respiration D Gas exchange
11 What is the pressure inside the chest cavity during inhalation? A Higher than atmospheric pressure B Lower than atmospheric pressure C Equal to atmospheric pressure D No pressure
12 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 of the following increases the efficiency of gas exchange in the lungs? A Moist surface of alveoli B High concentration gradient C Short diffusion distance D All of the above
14 Which tube carries air from the nose and mouth to the lungs? A Oesophagus B Trachea C Bronchiole D Alveolus
15 The exchange of oxygen and carbon dioxide between alveoli and blood occurs by: A Active transport B Diffusion C Osmosis D Filtration
17 What is the purpose of cartilage rings in the trachea? A To produce sound B To keep the trachea open C To exchange gases D To trap dust
18 Which of the following is not part of the respiratory system? A Trachea B Bronchi C Oesophagus D Lungs
19 Which of the following is a common cause of lung cancer? A Smoking B Exercise C Eating healthy D Drinking water
21 Which gas is released from the body during breathing out? A Oxygen B Carbon dioxide C Nitrogen D Methane
22 The trachea is lined with which type of tissue? A Squamous epithelium B Ciliated epithelium with goblet cells C Columnar epithelium D Transitional epithelium
23 Which organ of the respiratory system is also involved in the sense of smell? A Larynx B Nose C Trachea D Bronchi