CRCST CERTIFICATION EXAM UPDATED
2025/2026 (9TH ED.) | STERILIZATION AND
INFECTION CONTROL| WITH 100% ACCURATE
ANSWERS
1. Why is it important to follow the manufacturer's instructions for rinsing
endoscope channels?
Manufacturers do not provide specific instructions for rinsing.
Following the manufacturer's instructions ensures effective
removal of cleaning solutions and prevents damage to the device.
Rinsing is only necessary for surgical instruments, not endoscopes.
It is not important; any water can be used.
2. What information is on a Safety Data Sheet (SDS)?
Hazardous Ingredients.
All of the above.
Toxicological Properties: health effects.
Product Information: product name, manufacturer and suppliers
names, addresses, and emergency phone numbers.
First aide measures.
Fire or Explosion Hazard Data.
3. What is the required air pressure level in the decontamination area relative
to the surrounding areas?
A negative air pressure
,A positive air pressure
Atmospheric pressure
, Neutral air pressure
4. An arthroscopy is an endoscopic examination that enables:
Direct visualization of the diaphragm.
Direct visualization of the joint.
Electrical impulses of the muscle.
A complication of long bone or pelvic fractures.
5. Aseptic techniques are used to:
Prevent the contamination of sterile gloves
Eliminate the need for proper hand washing
Ensure the fast recovery of individuals undergoing medical
treatment
Prevent infection or break the chain of infection
6. If a clinic is experiencing issues with surgical instrument availability, how
should planning and communication be utilized to address this problem?
By developing a new tracking system without consulting the clinic.
By sending only disposable instruments to the clinic without further
discussion.
By ignoring the clinic's requests for more instruments.
By coordinating with the clinic to assess their needs and ensuring
timely delivery of necessary instruments.
, 7. The inventory control system for products and equipment typically used in
the operating room which involves use of a cart that is generally prepared
for one special surgical case is which of the following?
automate supply replenishment system
case cart system
exchange cart system
periodic automated replenishment system
8. When placing an instrument in a plastic-paper peel pouch why should air
be evacuated from the pouch before it is sealed?
Air in the peel pouch is necessary for sterilization to occur
No precautions are necessary when peel pouching
Air in the peel pouch is essential for the instrument
The package could rupture during sterilization.
9. What is the primary purpose of using a decontamination battery or hose
during the cleaning of powered surgical instruments?
Keep fluid from entering the unit
Test the unit while cleaning
Prevent electrical shock
Keep functioning batteries and cords clean
10. In a surgical setting, if a detergent with a high pH is used for cleaning
instruments, what potential issues could arise?
Enhanced sterilization of instruments
2025/2026 (9TH ED.) | STERILIZATION AND
INFECTION CONTROL| WITH 100% ACCURATE
ANSWERS
1. Why is it important to follow the manufacturer's instructions for rinsing
endoscope channels?
Manufacturers do not provide specific instructions for rinsing.
Following the manufacturer's instructions ensures effective
removal of cleaning solutions and prevents damage to the device.
Rinsing is only necessary for surgical instruments, not endoscopes.
It is not important; any water can be used.
2. What information is on a Safety Data Sheet (SDS)?
Hazardous Ingredients.
All of the above.
Toxicological Properties: health effects.
Product Information: product name, manufacturer and suppliers
names, addresses, and emergency phone numbers.
First aide measures.
Fire or Explosion Hazard Data.
3. What is the required air pressure level in the decontamination area relative
to the surrounding areas?
A negative air pressure
,A positive air pressure
Atmospheric pressure
, Neutral air pressure
4. An arthroscopy is an endoscopic examination that enables:
Direct visualization of the diaphragm.
Direct visualization of the joint.
Electrical impulses of the muscle.
A complication of long bone or pelvic fractures.
5. Aseptic techniques are used to:
Prevent the contamination of sterile gloves
Eliminate the need for proper hand washing
Ensure the fast recovery of individuals undergoing medical
treatment
Prevent infection or break the chain of infection
6. If a clinic is experiencing issues with surgical instrument availability, how
should planning and communication be utilized to address this problem?
By developing a new tracking system without consulting the clinic.
By sending only disposable instruments to the clinic without further
discussion.
By ignoring the clinic's requests for more instruments.
By coordinating with the clinic to assess their needs and ensuring
timely delivery of necessary instruments.
, 7. The inventory control system for products and equipment typically used in
the operating room which involves use of a cart that is generally prepared
for one special surgical case is which of the following?
automate supply replenishment system
case cart system
exchange cart system
periodic automated replenishment system
8. When placing an instrument in a plastic-paper peel pouch why should air
be evacuated from the pouch before it is sealed?
Air in the peel pouch is necessary for sterilization to occur
No precautions are necessary when peel pouching
Air in the peel pouch is essential for the instrument
The package could rupture during sterilization.
9. What is the primary purpose of using a decontamination battery or hose
during the cleaning of powered surgical instruments?
Keep fluid from entering the unit
Test the unit while cleaning
Prevent electrical shock
Keep functioning batteries and cords clean
10. In a surgical setting, if a detergent with a high pH is used for cleaning
instruments, what potential issues could arise?
Enhanced sterilization of instruments
