1) All of the following are increase risk of developing lung cancer except: a) Smoking b) Exposure to radon or asbestos c) Exposure to coal products or radioactive substances such as uranium d) History of seasonal allergies 2) Pneumonia may be caused by any of the following except: a) Bee sting b) Bacteria c) Viruses d) Mycoplasmas 3) The area between the lungs is known as the a) thoracic cage b) mediastinum c) pleura d) hilum 4) Although the exact cause is unknown, pulmonary fibrosis has most commonly been associated with a) asthma. b) cigarette smoking c) rolonged shallow breathing d) immobility 5) Gas exchange takes place in the a) pharynx b) larynx c) alveoli d) trachea 6) Residual volume is: a) volume of air that can be inhaled above tidal volume b) the total volume of air that the lungs can hold c) the volume of air in the lungs remaining in the lungs aftera maximum expiratory effort 7) What respiratory structure connects the nasal passages and the mouth? a) Pharynx b) Larynx c) Trachea d) Lungs 8) Which of the following is the correct path of air through the respiratory system? a) Pharynx, larynx, trachea, bronchi, lungs b) Larynx, trachea, bronchi, pharynx, lungs c) Bronchi, pharynx, larynx, trachea, lungs d) Larynx, pharynx, bronchi, trachea, lungs

RESPIRATORY SYSTEM

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