Cmn 568 - Unit 4 Exam Questions (162 Terms) With Verified Definitions Updated 2024

Most common cause of lower GI bleeding in patients > 50 years of age {Ans: 1) Diverticulosis (50% of all lower GI bleeding cases) 2) Angioectasias 3) Malignancy 4) Ischemia (McPhee p 606)}Definition of lower GI bleeding {Ans: Bleeding originating from BELOW the ligament of Treitz (small intestine or colon); however up to 95% of cases arise from the colon.}Ways to stimulate the chemoreceptor trigger zone and cause vomiting {Ans: 1) Chemo 2) Medications and drugs 3) Radiation therapy 4) Systemic disorders}Name of fermented milk drink which may help pts who experience excessive flatus: {Ans: Kefir}Causes of constipation {Ans: 1) ↓ fiber/fluid or bad bowel habits 2) Systemic disease (e.g. thyroid, DM, metabolic disorders, neurologic issues) 3) Medications (e.g. opioids, diuretics, CCBs, anticholinergics, psychotropics, Ca or Fe supplements, NSAIDs) 4) Structural abnormalities 5) Slow colonic transit 6) Pelvic floor dyssynergia 7) IBS (McPhee Table 15-3 and Shimp p 83-84)}SIgns of severe acute pancreatitis {Ans: MILD Acute + Abdominal pain -- sudden onset, epigastric but radiating through to the back + N/V, sometimes with anorexia + Diarrhea PLUS SEVERE acute + Evidence of organ failure + Local complications (e.g. necrosis, abscess, pseudocyst) Ranson score of