IICRC TCST TRAUMA AND CRIME SCENE CLEAN UP EXAM
STUDY GUIDE | QUESTIONS AND ANSWERS | VERIFIED ANSWERS
PLUS RATIONALES | ALREADY GRADED A+ | LATEST EXAM
UPDATE
IICRC TCST Exam Study Guide
1. What is the first step when arriving at a trauma or crime scene?
A) Begin cleaning immediately
B) Contact law enforcement for permission
C) Don full PPE before entry
D) Remove biohazard materials
Answer: B) Contact law enforcement for permission
Rationale: Legal access is required before entering a scene to avoid
contamination and potential legal consequences.
2. Which type of PPE is mandatory when dealing with bloodborne
pathogens?
A) Safety glasses only
B) N95 respirator, gloves, gown, and eye protection
C) Regular work gloves
D) Steel-toed boots
Answer: B) N95 respirator, gloves, gown, and eye protection
Rationale: Full PPE prevents exposure to pathogens like HIV and Hepatitis
B/C.
3. According to OSHA, what is the proper procedure for disposing of
sharps?
A) Place them in a cardboard box
B) Flush down the sink
C) Use an OSHA-approved sharps container
D) Burn them on-site
Answer: C) Use an OSHA-approved sharps container
Rationale: Sharps must be disposed of in rigid, puncture-resistant containers to
prevent injury and infection.
4. What is the minimum concentration of bleach solution recommended for
disinfecting blood spills?
, A) 1%
B) 5%
C) 10%
D) 20%
Answer: C) 10%
Rationale: A 10% sodium hypochlorite solution effectively kills most
bloodborne pathogens.
5. What is the primary hazard associated with trauma scene clean-up?
A) Physical injury only
B) Exposure to biohazards
C) Slips and falls only
D) Noise pollution
Answer: B) Exposure to biohazards
Rationale: Blood and bodily fluids can carry dangerous pathogens, making
biohazard exposure the primary concern.
6. When removing contaminated materials, which method ensures minimal
cross-contamination?
A) Bagging items on-site immediately
B) Placing them in a cart for later disposal
C) Rinsing with water first
D) Sweeping into a pile
Answer: A) Bagging items on-site immediately
Rationale: Immediate containment reduces the risk of spreading contaminants.
7. What should be done if a worker is accidentally exposed to blood at a
crime scene?
A) Ignore and continue working
B) Wash the area immediately and report per OSHA protocol
C) Finish the job, then wash hands
D) Cover the area with tape
Answer: B) Wash the area immediately and report per OSHA protocol
Rationale: Prompt action reduces the risk of infection and ensures proper
documentation.
8. Which of the following is a common psychological risk for trauma scene
technicians?
A) Hearing loss
B) Post-traumatic stress disorder (PTSD)
, C) Repetitive strain injury
D) Vision impairment
Answer: B) Post-traumatic stress disorder (PTSD)
Rationale: Exposure to traumatic scenes can result in emotional and mental
health challenges.
9. How should an area contaminated with bodily fluids be cleaned before
applying disinfectants?
A) Spray disinfectant directly
B) Remove debris and absorb liquids first
C) Mop immediately with water
D) Sweep with a dry broom
Answer: B) Remove debris and absorb liquids first
Rationale: Physical removal ensures disinfectants contact the pathogens
effectively.
10.What is the proper order of donning PPE?
A) Gloves, gown, respirator, eye protection
B) Gown, respirator, eye protection, gloves
C) Eye protection, gloves, respirator, gown
D) Respirator, gown, gloves, eye protection
Answer: B) Gown, respirator, eye protection, gloves
Rationale: Donning in this order ensures full protection and prevents
contamination during application.
11.Which federal agency regulates bloodborne pathogen standards?
A) CDC
B) OSHA
C) EPA
D) FDA
Answer: B) OSHA
Rationale: OSHA establishes workplace safety standards, including handling of
bloodborne pathogens.
12.What is an acceptable method for transporting biohazard waste?
A) Open boxes in a truck
B) Sealed, labeled containers
C) Plastic bags with no labels
D) Any container available
, Answer: B) Sealed, labeled containers
Rationale: Proper containment and labeling prevent exposure and meet
regulatory requirements.
13.When cleaning up after a violent crime, what is the first environmental
concern?
A) Air quality
B) Odor control
C) Structural damage
D) Contamination risk
Answer: D) Contamination risk
Rationale: Contamination poses immediate health hazards and must be
addressed first.
14.Which disinfectant is most effective for killing HIV on surfaces?
A) Isopropyl alcohol 50%
B) 10% bleach solution
C) Soap and water only
D) Vinegar
Answer: B) 10% bleach solution
Rationale: Sodium hypochlorite effectively inactivates HIV and other
bloodborne pathogens.
15.How long should surfaces remain wet with disinfectant for effective
pathogen kill?
A) 30 seconds
B) 1–10 minutes depending on product
C) 30 minutes minimum
D) Until dry
Answer: B) 1–10 minutes depending on product
Rationale: Contact time is crucial for disinfectant efficacy; always follow
manufacturer guidelines.
16.What is the primary role of air scrubbers at a trauma scene?
A) Increase oxygen levels
B) Remove airborne contaminants
C) Dry wet surfaces
D) Remove odors only
Answer: B) Remove airborne contaminants
Rationale: Air scrubbers reduce bioaerosol particles and improve scene safety.
STUDY GUIDE | QUESTIONS AND ANSWERS | VERIFIED ANSWERS
PLUS RATIONALES | ALREADY GRADED A+ | LATEST EXAM
UPDATE
IICRC TCST Exam Study Guide
1. What is the first step when arriving at a trauma or crime scene?
A) Begin cleaning immediately
B) Contact law enforcement for permission
C) Don full PPE before entry
D) Remove biohazard materials
Answer: B) Contact law enforcement for permission
Rationale: Legal access is required before entering a scene to avoid
contamination and potential legal consequences.
2. Which type of PPE is mandatory when dealing with bloodborne
pathogens?
A) Safety glasses only
B) N95 respirator, gloves, gown, and eye protection
C) Regular work gloves
D) Steel-toed boots
Answer: B) N95 respirator, gloves, gown, and eye protection
Rationale: Full PPE prevents exposure to pathogens like HIV and Hepatitis
B/C.
3. According to OSHA, what is the proper procedure for disposing of
sharps?
A) Place them in a cardboard box
B) Flush down the sink
C) Use an OSHA-approved sharps container
D) Burn them on-site
Answer: C) Use an OSHA-approved sharps container
Rationale: Sharps must be disposed of in rigid, puncture-resistant containers to
prevent injury and infection.
4. What is the minimum concentration of bleach solution recommended for
disinfecting blood spills?
, A) 1%
B) 5%
C) 10%
D) 20%
Answer: C) 10%
Rationale: A 10% sodium hypochlorite solution effectively kills most
bloodborne pathogens.
5. What is the primary hazard associated with trauma scene clean-up?
A) Physical injury only
B) Exposure to biohazards
C) Slips and falls only
D) Noise pollution
Answer: B) Exposure to biohazards
Rationale: Blood and bodily fluids can carry dangerous pathogens, making
biohazard exposure the primary concern.
6. When removing contaminated materials, which method ensures minimal
cross-contamination?
A) Bagging items on-site immediately
B) Placing them in a cart for later disposal
C) Rinsing with water first
D) Sweeping into a pile
Answer: A) Bagging items on-site immediately
Rationale: Immediate containment reduces the risk of spreading contaminants.
7. What should be done if a worker is accidentally exposed to blood at a
crime scene?
A) Ignore and continue working
B) Wash the area immediately and report per OSHA protocol
C) Finish the job, then wash hands
D) Cover the area with tape
Answer: B) Wash the area immediately and report per OSHA protocol
Rationale: Prompt action reduces the risk of infection and ensures proper
documentation.
8. Which of the following is a common psychological risk for trauma scene
technicians?
A) Hearing loss
B) Post-traumatic stress disorder (PTSD)
, C) Repetitive strain injury
D) Vision impairment
Answer: B) Post-traumatic stress disorder (PTSD)
Rationale: Exposure to traumatic scenes can result in emotional and mental
health challenges.
9. How should an area contaminated with bodily fluids be cleaned before
applying disinfectants?
A) Spray disinfectant directly
B) Remove debris and absorb liquids first
C) Mop immediately with water
D) Sweep with a dry broom
Answer: B) Remove debris and absorb liquids first
Rationale: Physical removal ensures disinfectants contact the pathogens
effectively.
10.What is the proper order of donning PPE?
A) Gloves, gown, respirator, eye protection
B) Gown, respirator, eye protection, gloves
C) Eye protection, gloves, respirator, gown
D) Respirator, gown, gloves, eye protection
Answer: B) Gown, respirator, eye protection, gloves
Rationale: Donning in this order ensures full protection and prevents
contamination during application.
11.Which federal agency regulates bloodborne pathogen standards?
A) CDC
B) OSHA
C) EPA
D) FDA
Answer: B) OSHA
Rationale: OSHA establishes workplace safety standards, including handling of
bloodborne pathogens.
12.What is an acceptable method for transporting biohazard waste?
A) Open boxes in a truck
B) Sealed, labeled containers
C) Plastic bags with no labels
D) Any container available
, Answer: B) Sealed, labeled containers
Rationale: Proper containment and labeling prevent exposure and meet
regulatory requirements.
13.When cleaning up after a violent crime, what is the first environmental
concern?
A) Air quality
B) Odor control
C) Structural damage
D) Contamination risk
Answer: D) Contamination risk
Rationale: Contamination poses immediate health hazards and must be
addressed first.
14.Which disinfectant is most effective for killing HIV on surfaces?
A) Isopropyl alcohol 50%
B) 10% bleach solution
C) Soap and water only
D) Vinegar
Answer: B) 10% bleach solution
Rationale: Sodium hypochlorite effectively inactivates HIV and other
bloodborne pathogens.
15.How long should surfaces remain wet with disinfectant for effective
pathogen kill?
A) 30 seconds
B) 1–10 minutes depending on product
C) 30 minutes minimum
D) Until dry
Answer: B) 1–10 minutes depending on product
Rationale: Contact time is crucial for disinfectant efficacy; always follow
manufacturer guidelines.
16.What is the primary role of air scrubbers at a trauma scene?
A) Increase oxygen levels
B) Remove airborne contaminants
C) Dry wet surfaces
D) Remove odors only
Answer: B) Remove airborne contaminants
Rationale: Air scrubbers reduce bioaerosol particles and improve scene safety.
