HCB TEST 4 Questions with Correctly solved answers |100% pass | 2024

what is the purpose of the respiratory system? - ventilate and oxygenate the remaining body systems and tissues airway - passageway by which air enters and leaves the body. includes the nose, mouth, pharynx, larynx, trachea, bronchi and lungs alveolar ventilation - the amount of air that reaches the alveoli artificial ventilation - forcing air or oxygen into the lungs when a patient has stopped breathing or has inadequate breathing (positive pressure ventilation) apnea - no breathing bronchoconstriction - 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 - exchange of oxygen and carbon dioxide between cells and circulating blood cyanosis - blush color of the skin due to insufficient oxygen levels in the blood