CST Surgical Anatomy by Specialty 2

Question 1

During a laparoscopic cholecystectomy, the 'critical view of safety' requires dissection of which anatomical space?

Accepted Answer

Calot's triangle

Answer

Calot's triangle must be fully dissected to clearly identify the cystic duct and cystic artery before clipping, establishing the critical view of safety.

Question 2

In thoracic surgery, which structure passes through the aortic hiatus of the diaphragm at the T12 level?

Accepted Answer

Aorta

Answer

The aorta passes through the aortic hiatus at T12, accompanied by the thoracic duct and azygos vein.

Question 3

During a radical prostatectomy, which nerve bundles are most critical to preserve for postoperative erectile function?

Accepted Answer

Neurovascular bundles of Walsh

Answer

The neurovascular bundles of Walsh, running posterolateral to the prostate, contain the cavernous nerves responsible for erectile function.

Question 4

In a total knee arthroplasty, the popliteal artery is at greatest risk because it lies immediately posterior to which structure?

Accepted Answer

Posterior joint capsule

Answer

The popliteal artery runs directly posterior to the knee joint capsule, placing it at risk during posterior capsule release.

Question 5

During a parotidectomy, the facial nerve exits the stylomastoid foramen and divides into its main branches within which structure?

Accepted Answer

Parenchyma of the parotid gland

Answer

The facial nerve enters and divides into temporofacial and cervicofacial divisions within the substance of the parotid gland parenchyma.

(CST) Certified Surgery Technician Practice Test

(CST) Certified Surgery Technician Practice Test

CST Surgical Anatomy by Specialty 2