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NUR 3310 Exam Revision Questions And Answers
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NUR 3310 Exam Revision Questions And AnswersWhat is ventilation (V)? - ANSWER The movement of air between the atmosphere and the
lungs - inspiration and expiration
What is diffusion? - ANSWER The exchange of oxygen (O2) and carbon dioxide (CO2)
between the blood's RBC and the lungs
What is perfusion (Q)? - ANSWER Delivery of RBCs to the lungs
What is lung compliance? - ANSWER An indication of how well the chest wall and lungs
can expand and collapse
↓ compliance = ↓ ability to inflate lungs
What is airway resistance? - ANSWER Relates to the size of the airway
↓ diameter of the airway = ↑ resistance
What is V/Q mismatch? - ANSWER Issues with ventilation and perfusion, and the
diffusion of gases is altered?
What is a pulmonary embolism (PE)? - ANSWER A partial or complete occlusion of a
pulmonary artery, or one of its branches by an embolism. The obstruction can be the
result of a blood clot, air or fat
What are risk factors for PE? - ANSWER Blood clotting from venous stasis
Hypercoagulability
, Endothelial injury
What are clinical manifestations of PE? - ANSWER Sudden onset pleuritic chest pain
Dyspnoea
Tachypnoea
Tachycardia
Unexplained anxiety
Ax for DVT
What is factor thrombin xi? - ANSWER Aids in blood clotting
What is hypercoagulability? - ANSWER The pathologic state of exaggerated coagulation
in the absence of bleeding
What is tropin? - ANSWER Enzyme released after the death of cardiac muscle cells
What is CRP? - ANSWER Protein released during inflammation (inflammatory marker)
What are the three treatments for a pulmonary embolism? - ANSWER Anticoagulants
Thrombolytics
Embolectomy
What is the action of anticoagulants? - ANSWER Stop clotting factor thrombin xi from
forming
What are the adverse effects of heparin? - ANSWER ↑ risk of bleeding
↑ bruising
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