General Surgery — MCQs

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262 questions— Page 12 of 27
Q111

What is the recommended duration of adjuvant chemotherapy for a patient with stage III (T3 N1 M0) colon cancer following curative resection with clear margins?

Q112

During an elective open right inguinal hernia repair using the Lichtenstein technique in a 52-year-old man, which anatomical structure forms the floor of the inguinal canal and is at risk of injury during dissection?

Q113

A 32-year-old woman presents to the emergency department with a 14-hour history of right iliac fossa pain. On examination, she has tenderness with guarding in the right iliac fossa. Her temperature is 37.9°C, heart rate 92 bpm, and blood pressure 128/76 mmHg. Blood tests show WCC 13.2 × 10⁹/L and CRP 45 mg/L. CT abdomen demonstrates a dilated appendix with periappendiceal fat stranding. What is the mechanism by which appendiceal obstruction typically leads to the development of acute appendicitis?

Q114

A 46-year-old man presents to the emergency department with a 36-hour history of right iliac fossa pain, fever, and anorexia. His white cell count is 15.2 × 10⁹/L and CRP is 78 mg/L. CT scan confirms acute appendicitis with no evidence of perforation or abscess. He has a history of severe penicillin allergy (anaphylaxis). He undergoes emergency laparoscopic appendicectomy. Which antibiotic regimen would be most appropriate for prophylaxis and treatment in this patient?

Q115

A 66-year-old man with familial adenomatous polyposis (FAP) who underwent prophylactic total colectomy with ileorectal anastomosis 15 years ago presents for routine surveillance. Flexible sigmoidoscopy identifies more than 20 adenomatous polyps throughout the rectal segment, with several polyps >10 mm in size. Biopsies show low-grade dysplasia. What is the most appropriate management?

Q116

What is the approximate lifetime risk of developing appendicitis in the general population?

Q117

A 58-year-old woman undergoes colonoscopy for investigation of iron deficiency anaemia. A 25 mm pedunculated polyp is identified in the ascending colon and removed en-bloc using a snare. Histopathology shows a tubular adenoma with focal high-grade dysplasia and a small focus of adenocarcinoma invading into the superficial submucosa (Haggitt level 2). The lateral and deep margins are clear by 3 mm. Lymphovascular invasion is not identified. What is the most appropriate management?

Q118

A 54-year-old man presents to the surgical outpatient clinic with a 3-month history of a painless left groin swelling. On examination with the patient standing, there is a 4 cm × 3 cm swelling below and medial to the pubic tubercle that is irreducible but not tender. The swelling does not extend into the scrotum. What is the most likely diagnosis?

Q119

A 27-year-old woman who is 20 weeks pregnant presents with a 24-hour history of right-sided abdominal pain, nausea, and vomiting. On examination, she has tenderness in the right upper quadrant and right flank. Temperature is 37.6°C. Blood tests show WBC 14.5 × 10⁹/L (normal for pregnancy), CRP 45 mg/L. Urinalysis is negative. Obstetric examination is normal with appropriate fetal heart sounds. What is the most appropriate next investigation to establish the diagnosis?

Q120

A 50-year-old man undergoes elective laparoscopic totally extraperitoneal (TEP) inguinal hernia repair for a symptomatic right indirect inguinal hernia. During creation of the preperitoneal space, the peritoneum is inadvertently breached. The surgeon notices bowel visible through the defect. What is the most appropriate management of this complication?

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