What is the main function of the respiratory system?, A) To clean blood, B) To take in oxygen and remove carbon dioxide, What is “breathing in” called? , A) Inspiration, B) Expiration, Why are the alveoli important?  , A) They exchange oxygen and carbon dioxide, B) They protect the body from infection, What is "sputum"?  , A) Saliva from the mouth, B) Thick mucus coughed up from the lungs, Which sound should a Nursing Assistant report? , B) Quiet, regular breathing, A) Wheezing when breathing, COPD is best described as: , A) A short-term cold, B) A chronic lung disease, What is a common cause of emphysema? , A) Cigarette smoking, B) Allergies, Which is a symptom of respiratory problems? , A) Getting tired after exercise, B) Chest pain and shortness of breath, What should a Nursing Assistant do if a resident has trouble breathing? , A) Report it to the nurse, B) Ignore it, Which sputum color should be reported? , A) Clear mucus after drinking water, B) Green or yellow sputum.

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