AST Surgical Technologist Practice Exam

Which aneurysm typically develops between the renal and iliac arteries?

1. Thoracic aortic

2. Subclavian

3. Abdominal aortic

4. Femoral

The correct answer is: Abdominal aortic

The abdominal aortic aneurysm typically develops in the section of the aorta that is located between the renal arteries, which supply blood to the kidneys, and the iliac arteries, which branch off to supply the lower limbs. This region of the aorta is particularly susceptible to the formation of aneurysms due to the higher pressure exerted on the vessel wall as blood is pumped from the heart. This type of aneurysm can be serious because it may expand or rupture, leading to significant complications. Its occurrence in this specific area is important for surgical technologists to understand, as it guides the approach to diagnosis, management, and potential surgical interventions. Knowledge of the typical locations of aneurysms helps in preoperative planning and awareness of potential vascular complications during various abdominal surgeries. In contrast, thoracic aortic aneurysms occur in the upper part of the aorta, subclavian aneurysms are associated with the arteries leading to the arms, and femoral aneurysms are found in the femoral artery in the groin area. Each type has its own anatomical location, clinical implications, and management strategies, making the abdominal aortic aneurysm distinct in its location between the renal and iliac arteries.