FLS Modules Exam Questions
And Correct Answers
Laproscopic instruments diameter and length ranges
2-10mm, 30-45cm
hopkins rod lens
light has to travel back through the rod to capture the image.
decreasing light in the camera for...
decreasing diameter, increasing scope angle (ie 5mm and 30 degree has less light than
10mm 0 degree)
When is zero degree scope most useful
when working in a small area directly in line with the scope and ports, like the pelvis
how to check fiber optics light connection
black dots= broken fibers
,why does it fog up?
temperature and humidity discrepancy between the OR and body
tools for defogging
FRED antifog (must dry before putting back in), put laparoscope in hot water
methods to clean a smudged lens
gently wipe on clean tissue (liver, uterus, bowel), remove scope and clean with hot
water and gauze
Insufflation gas type and reasoning
CO2- readily available, inexpensive, non combustable, warmed and humidified better
high flow insufflation
10 or more L per minute
preventing loss of pneumo with suctioning
keep suction tip below the fluid level
, most common light source
300W xenon lamp
Troubleshooting steps: gas preOP
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
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
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
And Correct Answers
Laproscopic instruments diameter and length ranges
2-10mm, 30-45cm
hopkins rod lens
light has to travel back through the rod to capture the image.
decreasing light in the camera for...
decreasing diameter, increasing scope angle (ie 5mm and 30 degree has less light than
10mm 0 degree)
When is zero degree scope most useful
when working in a small area directly in line with the scope and ports, like the pelvis
how to check fiber optics light connection
black dots= broken fibers
,why does it fog up?
temperature and humidity discrepancy between the OR and body
tools for defogging
FRED antifog (must dry before putting back in), put laparoscope in hot water
methods to clean a smudged lens
gently wipe on clean tissue (liver, uterus, bowel), remove scope and clean with hot
water and gauze
Insufflation gas type and reasoning
CO2- readily available, inexpensive, non combustable, warmed and humidified better
high flow insufflation
10 or more L per minute
preventing loss of pneumo with suctioning
keep suction tip below the fluid level
, most common light source
300W xenon lamp
Troubleshooting steps: gas preOP
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
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
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
