Which statement is true regarding the indirect Coombs test?

The 23-year-old patient is brought to the emergency department after contacting emergency services to report profound weakness that started in his feet and worsened and spread cranially over the past few days. He reports severe diarrhea after a camping trip a week ago. Upon assessment, strength, sensation, and deep tendon reflexes are significantly reduced, with the lower extremities more severely affected than his upper extremities. Vital signs are normal and the patient seems to be breathing well. The nurse anticipates which finding on the lumbar puncture result?  

The 62-year-old patient presents to the emergency department complaining of chest pain. After a battery of tests and exams, the physician tells the nurse the patient's chest pain was likely due to coronary artery spasm. The nurse prepares education for the patient about which condition?