Port Placement
What is the typical number of trocars used in a laparoscopic sleeve gastrectomy?
A. 2
B. 3
C. 4–5
D. 6–7
4–5
What component of the laparoscopic tower delivers light into the abdominal cavity?
A. CO₂ insufflator
B. Monitor
C. Light source
D. Camera head
Light source
What is the most common position for laparoscopic cholecystectomy?
A. Lithotomy
B. Supine with left tilt
C. Supine with reverse Trendelenburg and slight left tilt
D. Prone
Supine with reverse Trendelenburg and slight left tilt
Which of the following is a laparoscopic grasping instrument?
A. Maryland
B. LigaSure
C. Veress needle
D. Bougie
Maryland
In laparoscopic procedures, which of the following is used to remove resected tissue such as
the gallbladder or appendix?
A. Tacker
B. Endobag (specimen retrieval bag)
C. Babcock forceps
D. Veress needle
Endobag (specimen retrieval bag)
Which trocar is usually used for the camera in a standard laparoscopic cholecystectomy?
A. Epigastric
B. Umbilical
C. Left subcostal
D. Right midclavicular
Umbilical
Which gas is used to insufflate the abdomen during laparoscopy?
A. Air
B. Oxygen
C. Carbon Dioxide
D. Nitrogen
Carbon Dioxide
Why are arms typically tucked at the sides during laparoscopic bariatric procedures?
A. To allow for better anesthesia access
B. To reduce the risk of brachial plexus injury and improve port access
C. For patient comfort
D. To allow EKG placement
To reduce the risk of brachial plexus injury and improve port access
Which device is used to divide the stomach during a sleeve gastrectomy?
A. Laparoscopic scissors
B. Endoscopic linear stapler
C. Hook cautery
D. LigaSure
Endoscopic linear stapler
Which of the following instruments is most likely to be needed in a laparoscopic hernia
repair but not typically in a lap chole?
A. Hook cautery
B. Mesh and tackers
C. Clip applier
D. Suction-irrigator
Mesh and tackers
What is the usual port configuration in a laparoscopic Roux-en-Y gastric bypass?
A. Triangular formation across the mid-abdomen
B. 5-port fan-shaped pattern, centered around the upper abdomen
C. Single-incision at umbilicus
D. 2 ports in upper and 2 in lower quadrants
5-port fan-shaped pattern, centered around the upper abdomen
What is the function of the white balance in the laparoscopic camera system?
A. Improves image focus
B. Aligns color accuracy
C. Calibrates insufflation pressure
D. Stabilizes light intensity
Aligns color accuracy
Which of the following increases the risk of sliding injury during steep reverse Trendelenburg in obese patients?
A. Poor grounding pad placement
B. Unsecured shoulder braces
C. Overinflation of the abdomen
D. High ventilator pressure
Unsecured shoulder braces
What is the purpose of the Veress needle?
A. To place a suture
B. To measure intra-abdominal pressure
C. To safely create pneumoperitoneum before trocar insertion
D. To suction smoke
To safely create pneumoperitoneum before trocar insertion
In a laparoscopic cholecystectomy, which structure must be clearly identified before
clipping or dividing?
A. Portal vein
B. Common hepatic artery
C. Cystic duct and cystic artery
D. Pancreatic duct
Cystic duct and cystic artery
In a laparoscopic sleeve gastrectomy, which port is typically used for the stapler?
A. Umbilical port
B. Left mid-clavicular 12 mm port
C. Right midaxillary port
D. Palmer’s point
Left mid-clavicular 12 mm port
What is the standard intra-abdominal insufflation pressure during laparoscopic surgery in adults?
A. 4–6 mmHg
B. 8–10 mmHg
C. 12–15 mmHg
D. 20–25 mmHg
12–15 mmHg
What patient position is typically used for laparoscopic appendectomy?
A. Supine with arms extended
B. Lithotomy
C. Supine with Trendelenburg and left tilt
D. Reverse Trendelenburg
Supine with Trendelenburg and left tilt
Which feature of the harmonic scalpel differentiates it from monopolar cautery?
A. Uses radiofrequency energy
B. Cuts and seals using ultrasonic vibration, without electrical current through tissue
C. Requires grounding pad
D. Is used only in open surgery
Cuts and seals using ultrasonic vibration, without electrical current through tissue
TIE-Breaker: Which of the following best explains why a 30 degree laparoscope is preferred over a 0 degree scope in most laparoscopic procedures?
A. It is smaller in diameter
B. It allows angled visualization around structures
C. It produces a brighter image
D. It requires less white balancing
B. It allows angled visualization around structures
Which factor does NOT influence port placement?
A. Type of procedure
B. Patient body habitus
C. Surgeon’s height
D. Type of suture used
Type of suture used
In a malfunctioning laparoscopic image system, you see a black screen. The camera and
light source are connected. What's the most likely cause?
A. CO₂ tank is empty
B. The fiber optic cable is disconnected or broken
C. The suction is off
D. The electrosurgical unit is on standby
The fiber optic cable is disconnected or broke
During a laparoscopic hiatal hernia repair, why is steep reverse Trendelenburg required?
A. To decompress the bladder
B. To allow better camera angle from pelvis
C. To move abdominal viscera caudally and improve view of hiatus
D. To reduce pneumoperitoneum pressure
To move abdominal viscera caudally and improve view of hiatus
During laparoscopic surgery, you observe arcing of energy to surrounding metal
instruments. What’s the most likely cause?
A. Suction malfunction
B. Insulation failure in monopolar instrument
C. Low insufflation pressure
D. Poor white balance
Insulation failure in monopolar instrument
High intra-abdominal pressure (>20 mmHg) with low gas flow and minimal distention may indicate:
A. Proper pneumoperitoneum
B. Obstructed or mispositioned Veress needle
C. Fully distended bowel
D. CO₂ tank is overfilled
Obstructed or mispositioned Veress needle