Stryker Training UPDATED Exam Questions and CORRECT Answers
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Course
Stryker Training
Institution
Stryker Training
Stryker Training UPDATED Exam
Questions and CORRECT Answers
What type of gas is used for laparoscopy and why? - CORRECT ANSWER- Insufflation =
Co2 (Carbon Dioxide). Used because we naturally expel Co2 during the breathing process.
-pediatric, bariatric, high flow (regular), and vessel harvest...
Stryker Training UPDATED Exam
Questions and CORRECT Answers
What type of gas is used for laparoscopy and why? - CORRECT ANSWER- Insufflation =
Co2 (Carbon Dioxide). Used because we naturally expel Co2 during the breathing process.
-pediatric, bariatric, high flow (regular), and vessel harvest
Name the 3 entry methods for delivering Co2. - CORRECT ANSWER- 1. Blind technique
(Veress needle)- Small incision made, needle delivered by feel from Surgeon. Saline or water
used through needle to ensure proper placement.
2. Open technique (Hasson cannula)- Surgeon cuts through layers of tissue and visualizes he
has accessed abdominal cavity. Suture is used on both sides of incision to lock cannula into
cavity.
3. Direct View technique- Operating cannula is used with cannulation down the center to
insert laparoscope. Surgeon is viewing his entry.
Measurements:
Flow
Pressure - CORRECT ANSWER- Flow - LPM = Liters per minute
(How fast the gas is delivered)
-default either 3 or 40)
Pressure - mmHg = Millimeters of Mercury
(How much gas will be delivered)
-safety limit = 15, but bariatric abdominal wall is so thick and heavy that it may be set higher
than 15
,Does the insufflator turn off once the pre-set pressure is reached? - CORRECT ANSWER-
No- insufflator does not turn off it just stops delivering gas. Once the actual pressure is lower
then the pre-set pressure the device will deliver gas at the set flow rate.
Sizes of Cannulas - CORRECT ANSWER- Standard sizes:
Diameter: Measured in millimeters
5mm
10/11mm
12mm
Length: Measured in millimeters
100mm
150mm
Define:
Obturator
Trocar - CORRECT ANSWER- Obturator = Dull insertion rod for cannula, sometimes called
pencil tip.
Trocar = Sharp insertion rod for cannula.
What must every insufflation tubing have on it? - CORRECT ANSWER- A Filter
What does the tank yoke do? - CORRECT ANSWER- Attaches the insufflator line to the gas
tank. Special yokes are designed for Co2 tanks and cannot be interchanged with other gases.
Three warning signs for the insufflator. - CORRECT ANSWER- 1. Occulsion = Something is
blocking the flow of the gas being delivered to the abdomen. Check stopcock on cannula.
, 2. Overpressure = When the actual gets over the pre-set pressure. Different insufflators had
different limits.
3. Leakage = When the insufflator continuously runs for a pre-determined amount of time.
Why are insufflators called high-flow? - CORRECT ANSWER- They can deliver a high
amount of gas within one minute. Most insufflators that are high-flow have a flow rate of 30
to 45 lpm.
Each gas tank can hold... - CORRECT ANSWER- 600L of CO2
What 4 catagories should be used to breakdown laparoscopic instrumentation?
graspers - CORRECT ANSWER- blunt, round tip
-used to grab and hold onto
-double-action and single-action
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