IAHCSMM CRCST ACTUAL EXAMINATION
TEST 2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+
◉ Watches and other jewelry should not be worn in the Central
Service department work areas because: Answer: They may harbor
bacteria
◉ Items that have been used in patient care should be considered
contaminated Answer: True
◉ Central Service Technicians must be able to adapt to change
Answer: True
◉ Everyone who may have contact with biohazard items must be
educated about the dangers associated with those items Answer:
True
◉ ________are often pathogenic to humans because they grow best at
body temperatures. Answer: Mesophiles
◉ Used to visualize the entire large intestine. Answer: colonoscope
,◉ Herpes Simplex is a _______ disease Answer: viral
◉ Recommended air exchanges for the clean/sterile storage area of
CS Dept Answer: 4
◉ Bacteria that require free oxygen to grow are called _______
bacteria. Answer: Aerobic
◉ Leak testing should be performed on each flexible endoscope
annually. Answer: False it should be regularly after each use
◉ Microorganisms that are capable of forming a thick wall around
themselves to survive in adverse conditions are called: Answer:
Spores
◉ Loaner instruments trays that are received sterile from other
facilities do not need to be decontaminated and re-sterilized before
use. Answer: False
◉ An organism, typically a biting insect or tick, that transmits a
disease or parasite from one animal or plant to another Answer:
Vector
, ◉ Endoscope channels should be cleaned and then left moist for
storage. Answer: False
◉ Powered surgical instruments have one of three power sources;
electricity, air, or battery. Answer: True
◉ The desired flow of materials in a CS Dept; from soiled to clean to
sterile. Answer: One-Way workflow
◉ Tetanus and botulism do not require free oxygen to grow, so they
are classified as ______ bacteria Answer: Anaerobic
◉ Modern powered surgical instruments are immersible. Answer:
False
◉ ________ is the first step in the sterilization process. Answer:
Decontamination
◉ Using Gram-Stain classifications, Staphylococcus, Enterococcus,
and Streptococcus are examples of Gram-________ bacteria. Answer:
Gram-Positive
◉ Laparoscopic instrument insulation failure can cause burns.
Answer: True
TEST 2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+
◉ Watches and other jewelry should not be worn in the Central
Service department work areas because: Answer: They may harbor
bacteria
◉ Items that have been used in patient care should be considered
contaminated Answer: True
◉ Central Service Technicians must be able to adapt to change
Answer: True
◉ Everyone who may have contact with biohazard items must be
educated about the dangers associated with those items Answer:
True
◉ ________are often pathogenic to humans because they grow best at
body temperatures. Answer: Mesophiles
◉ Used to visualize the entire large intestine. Answer: colonoscope
,◉ Herpes Simplex is a _______ disease Answer: viral
◉ Recommended air exchanges for the clean/sterile storage area of
CS Dept Answer: 4
◉ Bacteria that require free oxygen to grow are called _______
bacteria. Answer: Aerobic
◉ Leak testing should be performed on each flexible endoscope
annually. Answer: False it should be regularly after each use
◉ Microorganisms that are capable of forming a thick wall around
themselves to survive in adverse conditions are called: Answer:
Spores
◉ Loaner instruments trays that are received sterile from other
facilities do not need to be decontaminated and re-sterilized before
use. Answer: False
◉ An organism, typically a biting insect or tick, that transmits a
disease or parasite from one animal or plant to another Answer:
Vector
, ◉ Endoscope channels should be cleaned and then left moist for
storage. Answer: False
◉ Powered surgical instruments have one of three power sources;
electricity, air, or battery. Answer: True
◉ The desired flow of materials in a CS Dept; from soiled to clean to
sterile. Answer: One-Way workflow
◉ Tetanus and botulism do not require free oxygen to grow, so they
are classified as ______ bacteria Answer: Anaerobic
◉ Modern powered surgical instruments are immersible. Answer:
False
◉ ________ is the first step in the sterilization process. Answer:
Decontamination
◉ Using Gram-Stain classifications, Staphylococcus, Enterococcus,
and Streptococcus are examples of Gram-________ bacteria. Answer:
Gram-Positive
◉ Laparoscopic instrument insulation failure can cause burns.
Answer: True
