Practice Quiz

NCLEX-RN

Category - Reduction of Risk

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A nurse is preparing a client for a ventilation-perfusion lung scan. What specific pointers should the nurse give to the client for maximum results of the test?
  1. The client will need to take deep breaths.
  2. The client needs to fast at least four hours prior to surgery.
  3. The client should not be allergic to dyes or seafood.
  4. The client should not move for 30-60 minutes while imaging is done.
Explanation
Answer: A- The ventilation-perfusion scan is performed to measure the blood perfusion through the lungs; in order to get maximum results the client should take deep breaths during the procedure. The client breathes in oxygen mixed with radioactive gases that will diffuse throughout the lungs. The nurse needs to evaluate for dye or seafood allergy because the radioactive component is inhaled. During the procedure, the client needs to lie for 20-40 minutes while a mask is fitted over the nose and mouth.
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