CSFA Advanced Surgical Anatomy Questions and Answers

Question 1

During a laparoscopic cholecystectomy, the surgeon is carefully dissecting within the Triangle of Calot to achieve the critical view of safety.
The cystic artery, a key structure that must be identified and ligated, most commonly arises from which vessel?

Accepted Answer

Right hepatic artery

Answer

Common hepatic artery

Answer

Gastroduodenal artery

Answer

Left hepatic artery

Question 2

A patient undergoes a three-field esophagectomy for esophageal cancer. In the immediate postoperative period, the patient develops significant hoarseness. This complication is most frequently associated with an intraoperative injury to which nerve?

Accepted Answer

Recurrent laryngeal nerve

Answer

Phrenic nerve

Answer

Vagus nerve

Answer

Superior laryngeal nerve

Question 3

A patient undergoes a total hip arthroplasty via a posterior approach. Postoperatively, the patient is unable to dorsiflex their ankle and exhibits a "foot drop." This specific motor deficit points to a traction injury or direct trauma to which of the following nerves?

Accepted Answer

Sciatic nerve

Answer

Femoral nerve

Answer

Obturator nerve

Answer

Superior gluteal nerve

Question 4

During an open inguinal hernia repair, the surgeon dissects the spermatic cord. The CSFA must be aware that entrapment of a nerve that runs with the cord can lead to chronic postoperative groin pain and numbness of the upper scrotum and medial thigh. Which nerve is most at risk?

Accepted Answer

Ilioinguinal nerve

Answer

Genitofemoral nerve

Answer

Lateral femoral cutaneous nerve

Answer

Obturator nerve

Question 5

When performing a sigmoid colectomy for cancer, the surgeon ligates the inferior mesenteric artery (IMA) at its origin from the aorta. To ensure viability of the remaining descending colon and rectal stump for anastomosis, the surgical team relies on collateral circulation primarily from which arterial structure?

Accepted Answer

Marginal artery of Drummond

Answer

Arc of Riolan

Answer

Ileocolic artery

Answer

Superior rectal artery

Question 6

A surgeon is controlling a massive liver hemorrhage by performing the Pringle maneuver, which involves clamping the hepatoduodenal ligament. This maneuver effectively stops inflow to the liver. Which of the following vascular structures is NOT occluded by this maneuver?

Accepted Answer

Hepatic veins

Answer

Portal vein

Answer

Proper hepatic artery

Answer

Common bile duct

During a laparoscopic cholecystectomy, the surgeon is carefully dissecting within the Triangle of Calot to achieve the critical view of safety.The cystic artery, a key structure that must be identified and ligated, most commonly arises from which vessel?

During a laparoscopic cholecystectomy, the surgeon is carefully dissecting within the Triangle of Calot to achieve the critical view of safety.
The cystic artery, a key structure that must be identified and ligated, most commonly arises from which vessel?