HCB TEST 4 QUESTIONS WITH CORRECT ANSWERS

HCB TEST 4 QUESTIONS WITH CORRECT ANSWERS what is the purpose of the respiratory system? - ANSWER ventilate and oxygenate the remaining body systems and tissues airway - ANSWER passageway by which air enters and leaves the body. includes the nose, mouth, pharynx, larynx, trachea, bronchi and lungs alveolar ventilation - ANSWER the amount of air that reaches the alveoli artificial ventilation - ANSWER forcing air or oxygen into the lungs when a patient has stopped breathing or has inadequate breathing (positive pressure ventilation) apnea - ANSWER no breathing bronchoconstriction - ANSWER contraction of smooth muscle that lines the bronchial passages that results in a decreased internal diameter of the airway and increased resistance to airflow cellular respiration - ANSWER exchange of oxygen and carbon dioxide between cells and circulating blood cyanosis - ANSWER blush color of the skin due to insufficient oxygen levels in the blood diffusion - ANSWER process by which molecules move from an area of high concentration to an area of low concentration