CSFA Intraoperative Procedures and Techniques 2

Question 1

During laparoscopic surgery, the surgical first assistant notes the capnography reading rising steadily. What is the most likely cause?

Accepted Answer

CO2 absorption from pneumoperitoneum

Answer

CO2 used to create the pneumoperitoneum is absorbed through the peritoneum, leading to rising end-tidal CO2 on capnography.

Question 2

When assisting with a bowel anastomosis, which layer is sutured first in a two-layer technique?

Accepted Answer

Mucosal layer

Answer

In a two-layer anastomosis, the inner mucosal layer is sutured first, followed by the outer seromuscular layer.

Question 3

The surgical first assistant is retracting during a hepatic resection when significant hemorrhage occurs from a hepatic vein. What maneuver controls inflow to reduce bleeding while a repair is made?

Accepted Answer

Pringle maneuver

Answer

The Pringle maneuver involves compressing the hepatoduodenal ligament to occlude portal vein and hepatic artery inflow to the liver.

Question 4

During a thyroidectomy, the surgical first assistant should be especially vigilant about protecting which structure running along the posterior aspect of the thyroid?

Accepted Answer

Recurrent laryngeal nerve

Answer

The recurrent laryngeal nerve runs in the tracheoesophageal groove and injury causes hoarseness or airway compromise.

Question 5

A patient undergoing open abdominal surgery develops sudden hypotension and tachycardia midway through the procedure. The first assistant notices the surgical field is dry. What should be suspected?

Accepted Answer

Pulmonary embolism

Answer

Sudden intraoperative hypotension with tachycardia and a dry field should raise suspicion for pulmonary embolism, especially in prolonged procedures.

CSFA - Certified Surgical First Assistant Practice Test

CSFA - Certified Surgical First Assistant Practice Test

CSFA Intraoperative Procedures and Techniques 2