MED SURG TEST BANK 2024 NEW GENERATION EXAM ACTUQL QUESTIONS AND CORRECT ANSWERS VERIFIED|ALREADY GRADED A+ BY EXPERTS TOPSCORE!!!PASS!!!
A patient admitted to the emergency department with tension pneumothorax and mediastinal shift following an automobile crash is most likely to exhibit A. bradycardia.
B. severe hypotension.
C. mediastinal flutter.
D. a sucking chest wound. - CORRECT ANSWER>>>>B. severe hypotension. Mediastinal shift may cause compression of the lung in the direction of the shift and compression, traction, torsion, or kinking of the great vessels. Blood return to the heart is dangerously impaired and causes a subsequent decrease in cardiac output and blood pressure. Tachycardia is a clinical manifestation of tension pneumothorax. An uncovered opened pneumothorax is associated with a sucking chest wound and mediastinal flutter.
2. The nurse is caring for a patient with COPD and pneumonia who has an order for arterial blood gases to be drawn. Which of the following is the minimum length of time the nurse should plan to hold pressure on the puncture site?
A. 2 minutes
B. 5 minutes
C. 10 minutes
D. 15 minutes - CORRECT ANSWER>>>>B. 5 minutes Following obtaining an arterial blood gas, the nurse should hold pressure on the puncture site for 5 minutes by the clock to be sure that bleeding has stopped. An artery is an elastic vessel under higher pressure than veins, and significant blood loss or hematoma formation could occur if the time is insufficient.
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