MBBS Surgery and Clinical Medicine 3

Question 1

Which sign is elicited in acute appendicitis by pressing on the left iliac fossa causing pain in the right iliac fossa?

Accepted Answer

Rovsing's sign

Answer

Rovsing's sign is positive when palpation of the left iliac fossa causes pain in the right iliac fossa due to transmitted pressure over an inflamed appendix.

Question 2

What is the best initial investigation for suspected acute appendicitis in a child?

Accepted Answer

Ultrasound abdomen

Answer

Ultrasound is the first-line investigation in children and pregnant patients to avoid radiation; it has high specificity but lower sensitivity than CT.

Question 3

Which condition is described by the triad of hematemesis, aortic stenosis, and gastrointestinal angiodysplasia?

Accepted Answer

Heyde's syndrome

Answer

Heyde's syndrome is the association between calcific aortic stenosis and gastrointestinal bleeding from angiodysplasia, mediated by loss of von Willebrand factor multimers.

Question 4

In colorectal cancer staging using the TNM system, what does N1 indicate?

Accepted Answer

Metastasis in 1–3 regional lymph nodes

Answer

N1 in colorectal TNM staging indicates metastasis in 1–3 regional lymph nodes (N0 = none, N1 = 1–3 nodes, N2 = ≥4 nodes).

Question 5

Which maneuver is used intraoperatively to expose the retroperitoneal structures (kidney, aorta, IVC) during abdominal surgery?

Accepted Answer

Mattox maneuver

Answer

The Mattox maneuver involves medial visceral rotation of the left-sided abdominal organs to expose the suprarenal aorta and left retroperitoneal structures.

MBBS - Bachelor of Medicine and Bachelor of Surgery Practice Test

MBBS - Bachelor of Medicine and Bachelor of Surgery Practice Test

MBBS Surgery and Clinical Medicine 3