Absite Study Deck questions with correct answers 2023

Absite Study Deck questions with correct answers 2023...(smooth muscle/fibroblast) provide wound contraction. contract from center - correct answer myofibroblasts You are beginning a laparoscopic right colectomy in a 68-year-old woman with chronic obstructive pulmonary disease and diabetes mellitus. After you have obtained pneumoperitoneum, you inspect the abdomen and are alerted by your anesthesia colleagues that the patient is bradycardic to 38 beats/min and hypotensive. What is the best first response to this situation? - correct answer Desufflate the pneumoperitoneum and observe for response. Likely this initial bradycardia and hypotension following insufflation is due to a vagal response from which the patient will recover with desufflation of the abdomen. In certain more debilitated patients, pneumoperitoneum is not tolerated because of its cardiovascular and pulmonary effects, and laparoscopic surgery cannot be safely performed. ... is the rectosacral fascia in both males and females - correct answer Waldeyers fascia (posterior) ... is the point of the superior rectal and middle rectal artery junction - correct answer Sudeck's Point ... are the main nutrients of the colonoscytes - correct answer Short-Chain fatty acids (Butarate) ... are the transverse bands that form haustra - correct answer Plicae semilunares ■ Follows chemotherapy when WBCs are low ■ Can mimic surgical disease ■ Can often see pneumatosis on plane film ■ TX: antibiotics; patients will improve when WBCs ↑ - correct answer Neutropenic typhlitis (Enterocolitis) ... is a circular layer of muscle within the colon - correct answer Muscularis propria ...is a small interwoven inner muscle layer just below mucosa but above basement membrane in the colon - correct answer Muscularis mucosa is the passage of black, tarry, and foul-smelling stools (need as little as 50cc) - correct answer Melena ... mark the transition between the anal canal and rectum - correct answer Levator ani ... is the point of SMA and IMA junction - correct answer Griffith's point ... is seen in 5-15% of patients with IBD and usually coincides with disease activity. The characteristic lesions are raised, red, and predominantly on the lower extremities. - correct answer Erythema Nodosum ... is the result of mucosal perforations in the diverticulum with adjacent fecal contamination - correct answer Diverticulitis ... is a herniation of mucosa through the colon wall at sites where arteries enter the muscular wall - correct answer Diverticula ... i s the rectovesicular and rectoprostatic fascia in men and the rectovaginal fascia in women - correct answer Denonvilliers fascia (anterior) ... are mucin-secreting goblet cells - correct answer Crypts of lieberkuhn meandering mesenteric, inconsistant, connects proximal SMA and IMA, usually at middle colic and left colic. - correct answer Arc of Riolan Removal of the distal colon, rectum, and anal sphincter through both abdominal and perineal approaches. Results in a permanent colostomy. - correct answer Abdominoperineal resection (APR) Why is the lower 2/3 of the rectum usually spared in ischemic colitis? - correct answer Supplied by middle and inferior rectal arteries (off internal iliacs) Which side of the colon is diverticulitis most likely to present on? - correct answer Left side Where is colonic perforation with obstruction most likely to occur? - correct answer Cecum (Law of LaPlace: Tension=pressure x diameter) Where is C. diff colitis most commonly seen in the colon? - correct answer Distal Colon Where does Ulcerative Colitis tend to start? - correct answer Distally in the rectum and is contiguous (no skip areas like Crohn's)