Correct answer now posted in comments by Tanya


The nurse is caring for an adult admitted to the coronary care unit with a myocardial infarction. During the second night in the CCU, the client develops congestive heart failure. A Swan-Ganz catheter is inserted to monitor the client for left ventricular function becauseNSNA NCLEX-RN Review. 4th ed.

  1. it provides information about pulmonary resistance.
  2. it measures myocardial oxygen consumption.
  3. it controls renal blood flow.
  4. it controls afterload.