FLS Modules - CH Version 2025/2026
Exam Questions and Correct Answers |
New Update
Laproscopic instruments diameter and length ranges - 🧠 ANSWER ✔✔2-
10mm, 30-45cm
hopkins rod lens - 🧠 ANSWER ✔✔light has to travel back through the rod to
capture the image.
decreasing light in the camera for... - 🧠 ANSWER ✔✔decreasing diameter,
increasing scope angle (ie 5mm and 30 degree has less light than 10mm 0
degree)
,When is zero degree scope most useful - 🧠 ANSWER ✔✔when working in
a small area directly in line with the scope and ports, like the pelvis
how to check fiber optics light connection - 🧠 ANSWER ✔✔black dots=
broken fibers
why does it fog up? - 🧠 ANSWER ✔✔temperature and humidity
discrepancy between the OR and body
tools for defogging - 🧠 ANSWER ✔✔FRED antifog (must dry before putting
back in), put laparoscope in hot water
Insufflation gas type and reasoning - 🧠 ANSWER ✔✔CO2- readily
available, inexpensive, non combustable, warmed and humidified better
What is high flow insufflation? - 🧠 ANSWER ✔✔10 or more L per minute
How can you prevent loss of pneumo while suctioning? - 🧠 ANSWER
✔✔keep suction tip below the fluid level
What is the most common light source? - 🧠 ANSWER ✔✔300W xenon
lamp
Troubleshooting steps: gas preOP - 🧠 ANSWER ✔✔1. check that co2 tank
is full
,2. check co2 tank gasket is secured
3. check that spare co2 tank is available in the OR
troubleshooting steps: image - 🧠 ANSWER ✔✔1. check that the monitor is
plugged in and turned on 2. check that all cables are connected securely
troubleshooting steps: loss of working space: insufflator settings: measured
pressure is the same or higher than the preset pressure - 🧠 ANSWER ✔✔1.
the patient may not be adequately relaxed or there is a mechanical block of
gas flow
2. inspect abdomen for rhythmic muscle contraction and palpate the
abdomen for firmness
3. check port valves to make sure they are open
4. check for kinks in tubing and make sure no one is standing on them
troubleshooting steps: loss of working space: insufflator settings: low
pressure and high flow rate - 🧠 ANSWER ✔✔1. there is a leak in the
insufflation circuit
2. check that the tubing has not become disconnected from insufflator or
port
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, 3. check that all valves are closed
4. check all port sites for leaking co2
5. check for foley catheter bag distention or bowel distention
troubleshooting steps: loss of working space: insufflator settings: low
pressure and no flow - 🧠 ANSWER ✔✔1. make sure that the insufflator
power is on
2. check gas level in the tank
troubleshooting steps: loss of working space: complete loss of operative
image - 🧠 ANSWER ✔✔1. check for disconnected power cords, video
cables
2. check for blown light source bulb
3. check for disconnected light cable
Monopolar electrosurgery circuit - 🧠 ANSWER ✔✔electrical surgical unit--
>active electrode-->patient tissue-->dispersive electrode (grounding pad)
low frequency from wall source to high frequency at active electrode
Exam Questions and Correct Answers |
New Update
Laproscopic instruments diameter and length ranges - 🧠 ANSWER ✔✔2-
10mm, 30-45cm
hopkins rod lens - 🧠 ANSWER ✔✔light has to travel back through the rod to
capture the image.
decreasing light in the camera for... - 🧠 ANSWER ✔✔decreasing diameter,
increasing scope angle (ie 5mm and 30 degree has less light than 10mm 0
degree)
,When is zero degree scope most useful - 🧠 ANSWER ✔✔when working in
a small area directly in line with the scope and ports, like the pelvis
how to check fiber optics light connection - 🧠 ANSWER ✔✔black dots=
broken fibers
why does it fog up? - 🧠 ANSWER ✔✔temperature and humidity
discrepancy between the OR and body
tools for defogging - 🧠 ANSWER ✔✔FRED antifog (must dry before putting
back in), put laparoscope in hot water
Insufflation gas type and reasoning - 🧠 ANSWER ✔✔CO2- readily
available, inexpensive, non combustable, warmed and humidified better
What is high flow insufflation? - 🧠 ANSWER ✔✔10 or more L per minute
How can you prevent loss of pneumo while suctioning? - 🧠 ANSWER
✔✔keep suction tip below the fluid level
What is the most common light source? - 🧠 ANSWER ✔✔300W xenon
lamp
Troubleshooting steps: gas preOP - 🧠 ANSWER ✔✔1. check that co2 tank
is full
,2. check co2 tank gasket is secured
3. check that spare co2 tank is available in the OR
troubleshooting steps: image - 🧠 ANSWER ✔✔1. check that the monitor is
plugged in and turned on 2. check that all cables are connected securely
troubleshooting steps: loss of working space: insufflator settings: measured
pressure is the same or higher than the preset pressure - 🧠 ANSWER ✔✔1.
the patient may not be adequately relaxed or there is a mechanical block of
gas flow
2. inspect abdomen for rhythmic muscle contraction and palpate the
abdomen for firmness
3. check port valves to make sure they are open
4. check for kinks in tubing and make sure no one is standing on them
troubleshooting steps: loss of working space: insufflator settings: low
pressure and high flow rate - 🧠 ANSWER ✔✔1. there is a leak in the
insufflation circuit
2. check that the tubing has not become disconnected from insufflator or
port
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, 3. check that all valves are closed
4. check all port sites for leaking co2
5. check for foley catheter bag distention or bowel distention
troubleshooting steps: loss of working space: insufflator settings: low
pressure and no flow - 🧠 ANSWER ✔✔1. make sure that the insufflator
power is on
2. check gas level in the tank
troubleshooting steps: loss of working space: complete loss of operative
image - 🧠 ANSWER ✔✔1. check for disconnected power cords, video
cables
2. check for blown light source bulb
3. check for disconnected light cable
Monopolar electrosurgery circuit - 🧠 ANSWER ✔✔electrical surgical unit--
>active electrode-->patient tissue-->dispersive electrode (grounding pad)
low frequency from wall source to high frequency at active electrode
