The nurse notes inspiratory stridor upon auscultating the breath sounds of a 2-year-old child and suspects obstruction at which structure?

A 22-year-old patient complains of frequent diarrhea, mucous discharge, rectal bleeding, lower abdominal pain, and tenesmus. On endoscopy, inflammation is found only in the descending colon and rectum with no healthy mucosa between the lesions. The nurse begins planning education for the patient about which condition?

The patient presents with a blood pressure of 135/95 mm Hg and appears jaundiced. She has a history of alcoholism, cirrhosis, and untreated hepatitis C. While the oncoming nurse is receiving report, the patient begins vomiting a large amount of blood. The nurse knows which to be the most likely cause of the patient’s hematemesis?