MCQ on Respiratory SystemBy admin / August 1, 2025 Get Ready Time Up Respiratory System Test your knowledge on Respiratory System of human body 1 / 10 What is the function of cilia in the respiratory system? To exchange gases To increase surface area To trap and move particles To produce mucus 2 / 10 Which of the following diseases is primarily caused by a bacterial infection in the lungs? Pneumonia Emphysema Asthma Tuberculosis 3 / 10 Which of the following is a common symptom of asthma? Fever Rash Shortness of breath Swelling of the joints 4 / 10 Which part of the brain regulates the rate and depth of breathing? Medulla oblongata Hypothalamus Thalamus Cerebellum 5 / 10 What is the main gas exchanged in the respiratory system? Carbon monoxide Nitrogen Hydrogen Oxygen and carbon dioxide 6 / 10 What is the primary function of the respiratory system? To transport oxygen to the tissues To facilitate gas exchange To filter the air To regulate body temperature 7 / 10 Which of the following is the site of gas exchange in the lungs? Alveoli Bronchi Trachea Bronchioles 8 / 10 Which structure is commonly known as the windpipe? Larynx Pharynx Trachea Bronchus 9 / 10 What is the role of the epiglottis in the respiratory system? To filter air To warm the air To help produce sound To prevent food from entering the windpipe 10 / 10 The diaphragm is primarily responsible for what? Air filtration Breathing movements Protecting the lungs Expelling carbon dioxide Your score isThe average score is 68% 0% Restart quiz
