Surgical Technology AST Exam Questions With
Accurate Answers 2025\2026 A+ Grade
Most modern surgical instruments are made of
- accurate answers-Stainless Steel
Chromium increases resistance to
- accurate answers-corrosion
Blades #20-#25 fit which # handle?
- accurate answers-#4 handle
Blades #10, #11, #12, and #15 fit which # handles?
- accurate answers-#3, #7 and #9 handles
The suffix -tome refers to an instrument for
- accurate answers-cutting
Grooves located on the jaws of surgical instruments that are either
longitudinal, cross-hatched, or horizontal are called
- accurate answers-serrations or teeth
Instruments designed for the exposure of the operative site are called
- accurate answers-Retractors
Instruments used to gradually increase the diameter of an orifice to allow for
introduction of larger instrumentation or to open a stricture are called
- accurate answers-Dilators
An instrument with a sharp point and cutting edges that allow for penetration
of a body cavity for the drainage of fluid or the introduction of an endoscope is
called a
- accurate answers-Trocar
This type of instrumentation is typically made of titanium because it is
stronger yet lighter in weight.
- accurate answers-Microinstrumentation
, Name the 3 phases of handling of instruments referred to as the instrument
cycle are
- accurate answers-1. Preoperative
2. Intraoperative
3. Postoperative
What is used to ensure that all necessary instruments from each category are
included in the set being used?
- accurate answers-A count sheet
Used for diagnosis, biopsy, visualization and/or repair of a structure with a
body cavity or the interior of a hollow organ.
- accurate answers-An endoscope
Instruments used in the OR that are run by compressed air or nitrogen,
electricity or batteries are called
- accurate answers-Power tools
The ability of the optical system to filter out adjacent images and to clarify
detail is called the
- accurate answers-Resolving power
Uses liquid nitrogen, Freon, or carbon Dioxide gas to deliver extreme cold
through insulated probes
- accurate answers-Cryotherapy units
Carbon Dioxide gas is infused into the abdominal cavity through a
- accurate answers-Verress insufflation needle
Name the 5 components of a suction system
- accurate answers-1. Vacuum source
2. Vacuum source tubing
3. Collection unit
4. Tubing
5. Suction tip
A device that is powered by nitrogen, battery or electricity that is used to
debride a traumatic or infected wound is called a(n)
- accurate answers-Irrigation /Aspiration (IA) device
Accurate Answers 2025\2026 A+ Grade
Most modern surgical instruments are made of
- accurate answers-Stainless Steel
Chromium increases resistance to
- accurate answers-corrosion
Blades #20-#25 fit which # handle?
- accurate answers-#4 handle
Blades #10, #11, #12, and #15 fit which # handles?
- accurate answers-#3, #7 and #9 handles
The suffix -tome refers to an instrument for
- accurate answers-cutting
Grooves located on the jaws of surgical instruments that are either
longitudinal, cross-hatched, or horizontal are called
- accurate answers-serrations or teeth
Instruments designed for the exposure of the operative site are called
- accurate answers-Retractors
Instruments used to gradually increase the diameter of an orifice to allow for
introduction of larger instrumentation or to open a stricture are called
- accurate answers-Dilators
An instrument with a sharp point and cutting edges that allow for penetration
of a body cavity for the drainage of fluid or the introduction of an endoscope is
called a
- accurate answers-Trocar
This type of instrumentation is typically made of titanium because it is
stronger yet lighter in weight.
- accurate answers-Microinstrumentation
, Name the 3 phases of handling of instruments referred to as the instrument
cycle are
- accurate answers-1. Preoperative
2. Intraoperative
3. Postoperative
What is used to ensure that all necessary instruments from each category are
included in the set being used?
- accurate answers-A count sheet
Used for diagnosis, biopsy, visualization and/or repair of a structure with a
body cavity or the interior of a hollow organ.
- accurate answers-An endoscope
Instruments used in the OR that are run by compressed air or nitrogen,
electricity or batteries are called
- accurate answers-Power tools
The ability of the optical system to filter out adjacent images and to clarify
detail is called the
- accurate answers-Resolving power
Uses liquid nitrogen, Freon, or carbon Dioxide gas to deliver extreme cold
through insulated probes
- accurate answers-Cryotherapy units
Carbon Dioxide gas is infused into the abdominal cavity through a
- accurate answers-Verress insufflation needle
Name the 5 components of a suction system
- accurate answers-1. Vacuum source
2. Vacuum source tubing
3. Collection unit
4. Tubing
5. Suction tip
A device that is powered by nitrogen, battery or electricity that is used to
debride a traumatic or infected wound is called a(n)
- accurate answers-Irrigation /Aspiration (IA) device
