2021 - NURS 271 - Study Guide for Quiz #3 Respiratory Cardiovascular Systems

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Muscle Function Characteristics Alveoli Small sacs in the lung → where gas exchange occurs - Exchange of O2 & CO2 - Diffused thrOugh the blOOd → carried tO the best Of the bOdy - Need to make s... ure that the alveoli are available and functioning to the best of their availabilities - Need to make sure that blood is carrying their oxygen molecules to the correct areas, once bound in the alveoli - Inspiration vs. respiration - Inspiration → Oxygen allOwed tO tO alveoli & transpOrted tO rest Of bOdy - Expiration/ respiration/ ventilation -> CO2 removal of the use of oxygen - (taking enough oxygen in and exhaling the right amount of CO2?) Diaphragm Located in the phrenic nerve (C3-C5) → major muscle for breathing - Any spinal cOrd injury → may need ventilatOry suppOrt fOr the rest Of life - VentilatOr → able tO breathe fOr them since rest Of muscles after neck are paralyzed Intercostals, abdominal, trapezius, sternocleidomastoid (ACCESSORY MUSCLES) Aid breathing → help make breathing easier - Indicates respiratory distress [Show More]

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