BCEN-respiratory EXAM Q&A Latest Update

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BCEN- respiratory | Q&A Latest 2025/2026 | 100% PASS ventilation - Answer -movement of air in and out of the lungs Diffusion - Answer -the process by which molecules of gas move from an area of higher concentration to an area of lower concentration (alveolar and capillary). if ventilation & perfusion match you get diffusion. If they don't match- VQ mismatch Perfusion (Q) - Answer -the process of transporting gases to the body (capillary) via the circulatory system. dead space ventilation - Answer -alveoli receiving ventilation but not perfusion (pulmonary emboli) ... aka air no blood intrapulmonary shunting - Answer -alveoli receiving perfusion but not ventilation (atelectasis, pneumonia) ... aka blood no air Cheyne-Stokes respiration - Answer -pattern of breathing characterized by a gradual increase of depth and sometimes rate to a maximum level, followed by a decrease, resulting in apnea (cyclic crescendo) Central neurogenic hyperventilation - Answer -a pattern of rapid and deep breathing caused by injury to the brain apneustic breathing - Answer -Abnormal respiration marked by prolonged inspiration; accompanies damage to upper pons.