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HCB TEST 4 Exam | Q&A Latest
2025/2026 | 100% PASS
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
dyspnea - Answer -difficult or labored breathing; shortness of breath