Which vessel is primarily responsible for the rapid arterial blood supply of the cystic duct and gallbladder bed during laparoscopic dissection?

Answer and explanation

Correct answer: B. Cystic artery, usually branching from the right hepatic artery

  1. Step 1: In classic human vascular anatomy (approx 75-80% of individuals), the cystic artery arises from the right hepatic artery within Calot's triangle and divides into superficial and deep branches to supply the gallbladder.
  2. Step 2: Safe ligation of the cystic artery close to the gallbladder wall avoids inadvertent injury to the right hepatic artery.
Answer
Cystic artery, usually branching from the right hepatic artery.
Why not the others: 'Common hepatic artery' gives rise to the gastroduodenal and proper hepatic arteries proximally; 'Left gastric artery' supplies the lesser curvature of the stomach; 'Superior mesenteric artery' supplies the midgut from duodenum to proximal two-thirds of transverse colon.

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