Chapter 22: Respiratory System Herlihy: The Human Body in Health and Illness, 6th Edition
1. Which structure is called the windpipe and is supported by rings of cartilage? a. Bronchus b. Alveolus c. Pharynx d. Trachea ANS: D 2. Which of the following respiratory tubes are primarily composed of smooth muscle and determine the flow of air to the alveoli? a. Trachea b. Bronchi c. Bronchioles d. Nares ANS: C 3. The trachea branches into the right and left a. alveoli. b. bronchi. c. nares. d. pulmonary arteries. ANS: B 4. The lungs are located within the a. mediastinum. b. dorsal cavity. c. spinal cavity. d. thoracic cavity. ANS: D 5. Oxygen diffuses from the alveoli into the a. bronchioles. b. trachea. c. pulmonary capillaries. d. eustachi
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