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 nurse has counseled the patient who has been admitted for an exacerbation of chronic obstructive pulmonary disease about the dangers of smoking tobacco. Which statement by the patient indicates a need for further teaching? 

The 3-day-old full-term neonate has yet to pass meconium and is experiencing significant abdominal distention. The child is otherwise healthy and is not requiring respiratory support. The nurse learns that Hirschsprung disease is suspected and prepares the patient for which test that will definitively diagnose the condition?