Health Care > EXAM > NUR 265 Exam 2 Study Guide & Exams questions and answers (All)

NUR 265 Exam 2 Study Guide & Exams questions and answers

Document Content and Description Below

NUR 265 Exam 2 Study Guide Lungs Physiology  2 Pleural, 1 attached to outside of lungs and 1 attached to inside of ribs.  Space between the 2 pleural is negative to atmosphere  When inhal... e becomes more positive and atmosphere more negative. Exhaling is passive  Most of lower lobes are posterior, must listen to lungs posteriorly  Breath sounds o Bronchial: High pitched & loud, normal in tracheal & larynx o Bronchovesicular: Moderate pitched & amplitude, normal over major bronchi o Vesicular: Low pitched & soft, like wind through trees, normal in lower lung fields where smaller bronchioles & alveoli are. Pulmonary Emboli (P 603)  Occlusion of portion of pulmonary artery by a blood clot – from venous circulation – lower extremities or heart.  Causes ventilation-perfusion mismatch (V/Q) – Ventilated alveoli no longer perfused due to clotted artery.  Risk Factors o Venous stasis (w/prolonged immobility); Central venous catheters; Surgery (NPO, dehydrated, immobilized pts); Obesity; Advanced age; Hypercoagulability (Platelets >400K and not enough fluids; sticky blood); Hx of thromboembolism. o Greatest r/f in the young is the combo of smoking and hormone based contraceptives [Show More]

Last updated: 2 years ago

Preview 1 out of 23 pages

Buy Now

Instant download

We Accept: