EMR Chapter 6 Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

EMR Chapter 6 Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is the primary purpose of the airway in the human body? To allow air to enter and exit the lungs. What is the medical term for the voice box? Larynx. What structure prevents food and liquid from entering the trachea during swallowing? Epiglottis. What is the medical term for the windpipe? Trachea. What is the function of the nasal cavity in breathing? To warm, filter, and humidify incoming air. 2 What is the term for the small air sacs in the lungs where gas exchange occurs? Alveoli. What does the pharynx connect in the airway system? The nose and mouth to the larynx and esophagus. What structure contains the vocal cords? Larynx. What is the name of the two main branches that split from the trachea into the lungs? Bronchi. What is the difference between the right and left mainstem bronchi? The right bronchus is shorter, wider, and more vertical. What is the main muscle used for breathing? Diaphragm. 3 What is the term for the space between the vocal cords that air passes through? Glottis. What is the role of the tongue in airway obstruction? It can block the airway if a person becomes unconscious. What is the term for the flap of tissue that closes over the trachea during swallowing? Epiglottis. What does the upper airway include? Nose, mouth, pharynx, and larynx. What does the lower airway include? Trachea, bronchi, bronchioles, and alveoli. What is the term for the cartilaginous ring structure at the top of the trachea? Cricoid cartilage. 4 What is the smallest airway branch before reaching the alveoli? Bronchioles. What is the function of the cilia in the airway? To move mucus and trapped particles out of the airway. What is the term for the membrane lining the lungs and chest cavity? Pleura. What is the function of the pleural fluid? To reduce friction between the lungs