CTBS 2025 EXAM 2025/2026 EXAM
QUESTIONS AND ANSWERS | 100%
PASS
Sterile technique is required by what standards - 🧠 ANSWER ✔✔AATB
AND FDA
stewardship of the gift (MMA) - 🧠 ANSWER ✔✔1. maximize quality of donor
2. minimize infection potential
3. avoid unnecessary tissue discard
can you wear street clothes under scrubs? - 🧠 ANSWER ✔✔no
Criteria for determining suitability of recovery site - 🧠 ANSWER ✔✔1.
adequate floor and tabletop space
,2. zoning and recovery sequencing ( contamination control method to make
sure each zone is recovered and wrapped separately from other to make
sure there is no x-contam of bio burden from one zone to another.
3. lighting
4. plumbing and draining
4. controlled closed air flow (no access to outside, no windows, ac, fan etc)
5. all vents appear clean
6. no vented airflow directed onto sterile field
T/F: Handwashing can be substituted for use of approved waterless scrub
option - 🧠 ANSWER ✔✔true
when do cultures to monitor bio burden occur - 🧠 ANSWER ✔✔post
recovery
- before processing begins
post processing
- before final packaging
T/F: freezer quarantine kills all bio burden present during recovery - 🧠
ANSWER ✔✔false
, what bio burden can survive the freezer quarantine (MYEC) - 🧠 ANSWER
✔✔mold, yeast, e. coli and clostridium
5 major sources of contamination - 🧠 ANSWER ✔✔1. air
2. hair - cover our hair and shave donor
3. skin - cover our skin and leave only recover areas of donor are exposed
4. orifices - cover mouth/nose
5. fomites - dust particles.
3 things surgical scrub removes - 🧠 ANSWER ✔✔1. dirt from hands and
arms
2/ oils from skin
3. bacteria from skin, under fingernails and cuticles.
initial kill - 🧠 ANSWER ✔✔kills bacteria on contact
residual kill - 🧠 ANSWER ✔✔soap on the skin keeps killing bacteria
appropriate detergent for surgical scrub - 🧠 ANSWER ✔✔CHG, iodine,
PCMX
steps for hand scrub - 🧠 ANSWER ✔✔1. wash hands thoroughly
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
QUESTIONS AND ANSWERS | 100%
PASS
Sterile technique is required by what standards - 🧠 ANSWER ✔✔AATB
AND FDA
stewardship of the gift (MMA) - 🧠 ANSWER ✔✔1. maximize quality of donor
2. minimize infection potential
3. avoid unnecessary tissue discard
can you wear street clothes under scrubs? - 🧠 ANSWER ✔✔no
Criteria for determining suitability of recovery site - 🧠 ANSWER ✔✔1.
adequate floor and tabletop space
,2. zoning and recovery sequencing ( contamination control method to make
sure each zone is recovered and wrapped separately from other to make
sure there is no x-contam of bio burden from one zone to another.
3. lighting
4. plumbing and draining
4. controlled closed air flow (no access to outside, no windows, ac, fan etc)
5. all vents appear clean
6. no vented airflow directed onto sterile field
T/F: Handwashing can be substituted for use of approved waterless scrub
option - 🧠 ANSWER ✔✔true
when do cultures to monitor bio burden occur - 🧠 ANSWER ✔✔post
recovery
- before processing begins
post processing
- before final packaging
T/F: freezer quarantine kills all bio burden present during recovery - 🧠
ANSWER ✔✔false
, what bio burden can survive the freezer quarantine (MYEC) - 🧠 ANSWER
✔✔mold, yeast, e. coli and clostridium
5 major sources of contamination - 🧠 ANSWER ✔✔1. air
2. hair - cover our hair and shave donor
3. skin - cover our skin and leave only recover areas of donor are exposed
4. orifices - cover mouth/nose
5. fomites - dust particles.
3 things surgical scrub removes - 🧠 ANSWER ✔✔1. dirt from hands and
arms
2/ oils from skin
3. bacteria from skin, under fingernails and cuticles.
initial kill - 🧠 ANSWER ✔✔kills bacteria on contact
residual kill - 🧠 ANSWER ✔✔soap on the skin keeps killing bacteria
appropriate detergent for surgical scrub - 🧠 ANSWER ✔✔CHG, iodine,
PCMX
steps for hand scrub - 🧠 ANSWER ✔✔1. wash hands thoroughly
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
