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FLS Modules Questions with Detailed
Verified Answers
Question: Laproscopic instruments diameter and length ranges
Answer: 2-10mm, 30-45cm
Question:
hopkins rod lens
Answer: light has to travel back through the rod to capture the image.
Question:
decreasing light in the camera for...
Answer: decreasing diameter, increasing scope angle (ie 5mm and 30 degree
has less light than 10mm 0 degree)
Question:
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
Question:
how to check fiber optics light connection
Answer: black dots= broken fibers
Question:
why does it fog up?
, Page | 2
Answer: temperature and humidity discrepancy between the OR and body
Question:
tools for defogging
Answer: FRED antifog (must dry before putting back in), put laparoscope in
hot water
Question:
methods to clean a smudged lens
Answer: gently wipe on clean tissue (liver, uterus, bowel), remove scope and
clean with hot water and gauze
Question:
Insufflation gas type and reasoning
Answer: CO2- readily available, inexpensive, non combustable, warmed and
humidified better
Question:
high flow insufflation
Answer: 10 or more L per minute
Question:
preventing loss of pneumo with suctioning
Answer: keep suction tip below the fluid level
Question:
most common light source
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Answer: 300W xenon lamp
Question:
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
Question:
troubleshooting steps: image
Answer: 1. check that the monitor is plugged in and turned on 2. check that
all cables are connected securely
Question:
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
Question:
troubleshooting steps: loss of working space: insufflator settings: low pressure
and high flow rate
FLS Modules Questions with Detailed
Verified Answers
Question: Laproscopic instruments diameter and length ranges
Answer: 2-10mm, 30-45cm
Question:
hopkins rod lens
Answer: light has to travel back through the rod to capture the image.
Question:
decreasing light in the camera for...
Answer: decreasing diameter, increasing scope angle (ie 5mm and 30 degree
has less light than 10mm 0 degree)
Question:
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
Question:
how to check fiber optics light connection
Answer: black dots= broken fibers
Question:
why does it fog up?
, Page | 2
Answer: temperature and humidity discrepancy between the OR and body
Question:
tools for defogging
Answer: FRED antifog (must dry before putting back in), put laparoscope in
hot water
Question:
methods to clean a smudged lens
Answer: gently wipe on clean tissue (liver, uterus, bowel), remove scope and
clean with hot water and gauze
Question:
Insufflation gas type and reasoning
Answer: CO2- readily available, inexpensive, non combustable, warmed and
humidified better
Question:
high flow insufflation
Answer: 10 or more L per minute
Question:
preventing loss of pneumo with suctioning
Answer: keep suction tip below the fluid level
Question:
most common light source
, Page | 3
Answer: 300W xenon lamp
Question:
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
Question:
troubleshooting steps: image
Answer: 1. check that the monitor is plugged in and turned on 2. check that
all cables are connected securely
Question:
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
Question:
troubleshooting steps: loss of working space: insufflator settings: low pressure
and high flow rate
