Instrumentation
Most modern medical instruments are made of:
_ increases an instruments resistance to _
What is stainless steel?
Chromium; corrosion
Oscillating means _
Reciprocating means _
Side to side
Back and forth
containing an open for exposure of the area being incised
What is a nosocomial infection?
An infectious disease acquired from a hospital/health care facility
What type of drape can reduce the presence of microbes on the skin's surface?
Surgical scissors mainly used for cutting sutures
What are Mayo scissors?
Disease prevented by using a sequential compression device:
Deep vein thrombosis, which can lead to pulmonary embolism
What are radiopaque sponges, and how many are typically included in a pack?
Sponges that contain a string, which can be seen through an X-ray; assembled as 10 sponges per packet
What is candida albicans?
Yeast infection
Why does obesity increase the risk of a surgical site infection?
Blood flow to tissues is diminished, increasing a patient's susceptibility to being invaded by infectious agents
A #12 blade is used almost exclusively for:
What is a tonsillectomy?
What is 60 minutes?
What are the parts of a three-layer dressing and what do they do?
Inner layer: covers the wound and allows drainage to move out of the wound
Intermediate layer: absorbs drainage or secretions
Outer layer: secures all layers in place
Staphylococcus aureus
What is a fomite?
An inanimate object that contain infectious microorganisms
Instruments with gold ring handles contain:
Tungsten Carbide
Needle typically used to insufflate the abdomen
BONUS: what gas is used and why?
What is a Veress needle?
BONUS: CO2 because it is nontoxic and easily absorbed by the body
Active drains remove secretions from a wound by using:
What is negative pressure?
What is CJD, what is it caused by, and how does a ST handle instruments in this case?
Rapidly progressive, fatal CNS disease characterized by dementia and myoclonus (quick muscle twitches)
-Caused by a prion (misfolded protein)
-Disposable instruments are used since prions are extremely difficult to eradicate
What is a clean-contaminated procedure and what class is it?
A procedure entering the respiratory, alimentary, genital, or urinary tracts without signs of initial infection or spillage, yet can introduce microorganisms as you go into the body cavities
CLASS: II
BONUS: why is that alloy used?
What is titanium?
BONUS: Titanium is lightweight and has a dull finish to prevent glares.
The part of the microscope closest to the surgical site
What is the objective lens?
What is a t-tube (catheter)
Catheter placed in the common bile duct during surgery to drain bile directly into a bag with the help of gravity.
What is an exogenous source of infection; list 3 examples
Source of infection OUTSIDE of the patient's own body
EXAMPLES: perioperative personnel, environment, contaminated surgical instruments
What mode of transmission does tuberculosis fall under?
BONUS: what is the scientific name for tuberculosis?
Airborne transmission
BONUS: Mycobacterium tuberculosis