CTBS EXAM PREP CERTIFICATION EVALUATION
SCRIPT 2026 FULL SOLUTION SET
◉ Which of the following is not an automatic deferral?
a. Repeat reactive HBsAg
b. Repeat reactive anti-HTLV-1
c. Repeat reactive RPR
d. Repeat reactive anti-HIV-1. Answer: c. Repeat reactive RPR
◉ According to AATB standards, which of the following is NOT
required?
a. An adverse reaction file
b. Tissue retrieval within 12hrs of asystole
c. Donor and recipient confidentiality
d. Records documenting facility and equipment monitoring. Answer:
c. Donor and recipient confidentiality
◉ A patient receives one tablespoon and 2 tsp of medicine. How
many cc's were administered?
a. 20
b. 25
c. 15
,d. 30. Answer: b. 25
◉ In what year was the AATB established?
a. 1976
b. 1986
c. 1996
d. 1979. Answer: a. 1976
◉ Most allografts that failed to transmit disease in the Simonds
study were?
a. Osmolized
b. Freeze dried
c. Characterized by having all cellular elements removed
d. Demineralized. Answer: d. Demineralized
◉ Which of the following results in automatic deferral?
a. Repeat reactive anti-HIV-1
b. Repeat reactive HBsAg
c. Initially reactive anti-HTLV-1
d. Confirmed positive syphilis. Answer: All these are correct:
a. Repeat reactive anti-HIV-1
b. Repeat reactive HBsAg
,c. Initially reactive anti-HTLV-1
◉ When preserving grafts by controlled rate freezing, which of the
following must be closely monitored?
a. Temperature change over time
b. Time at which -40 degrees celsius is reached
c. Latent heat of fusion
d. Package integrity. Answer: c. Latent heat of fusion
◉ Which of the following allograft types is not used in total hip
revision?
a. Femoral Head
b. Distal Femur
c. Proximal Osteoarticular
d. Proximal Head. Answer: c. Proximal Osteoarticular
◉ AATB allows for the release of tissue without complete tissue
results. In such circumstances, all of the following documentation is
required except:
a. End user waiver form
b. Medical director release
c. Documented clinical need
d. Recipient approval. Answer: c. Documented clinical need
, ◉ What procurement technique best reduces the risk of transport
bio-burden (transporting microorganisms with the heart)?
a. Keeping the heart at required temp after recovery
b. Surgical hand scrub
c. Thorough rinsing of the heart with sterile solution
d. Shortened transport time. Answer: c. Thorough rinsing of the
heart with sterile solution
◉ Donor suitability records for dura mater donors shall be retained
for what period of time?
a. Indefinitely
b. Not a requirement
c. 1 yr
d. 5 yrs. Answer: a. Indefinitely
◉ Bone resulting from the use of demineralized human graft
materials probably forms by:
a. Autogenesis
b. Guided tissue regeneration
c. Endochondral formation
d. Intramembranous formation. Answer: b. Guided Tissue
regeneration
SCRIPT 2026 FULL SOLUTION SET
◉ Which of the following is not an automatic deferral?
a. Repeat reactive HBsAg
b. Repeat reactive anti-HTLV-1
c. Repeat reactive RPR
d. Repeat reactive anti-HIV-1. Answer: c. Repeat reactive RPR
◉ According to AATB standards, which of the following is NOT
required?
a. An adverse reaction file
b. Tissue retrieval within 12hrs of asystole
c. Donor and recipient confidentiality
d. Records documenting facility and equipment monitoring. Answer:
c. Donor and recipient confidentiality
◉ A patient receives one tablespoon and 2 tsp of medicine. How
many cc's were administered?
a. 20
b. 25
c. 15
,d. 30. Answer: b. 25
◉ In what year was the AATB established?
a. 1976
b. 1986
c. 1996
d. 1979. Answer: a. 1976
◉ Most allografts that failed to transmit disease in the Simonds
study were?
a. Osmolized
b. Freeze dried
c. Characterized by having all cellular elements removed
d. Demineralized. Answer: d. Demineralized
◉ Which of the following results in automatic deferral?
a. Repeat reactive anti-HIV-1
b. Repeat reactive HBsAg
c. Initially reactive anti-HTLV-1
d. Confirmed positive syphilis. Answer: All these are correct:
a. Repeat reactive anti-HIV-1
b. Repeat reactive HBsAg
,c. Initially reactive anti-HTLV-1
◉ When preserving grafts by controlled rate freezing, which of the
following must be closely monitored?
a. Temperature change over time
b. Time at which -40 degrees celsius is reached
c. Latent heat of fusion
d. Package integrity. Answer: c. Latent heat of fusion
◉ Which of the following allograft types is not used in total hip
revision?
a. Femoral Head
b. Distal Femur
c. Proximal Osteoarticular
d. Proximal Head. Answer: c. Proximal Osteoarticular
◉ AATB allows for the release of tissue without complete tissue
results. In such circumstances, all of the following documentation is
required except:
a. End user waiver form
b. Medical director release
c. Documented clinical need
d. Recipient approval. Answer: c. Documented clinical need
, ◉ What procurement technique best reduces the risk of transport
bio-burden (transporting microorganisms with the heart)?
a. Keeping the heart at required temp after recovery
b. Surgical hand scrub
c. Thorough rinsing of the heart with sterile solution
d. Shortened transport time. Answer: c. Thorough rinsing of the
heart with sterile solution
◉ Donor suitability records for dura mater donors shall be retained
for what period of time?
a. Indefinitely
b. Not a requirement
c. 1 yr
d. 5 yrs. Answer: a. Indefinitely
◉ Bone resulting from the use of demineralized human graft
materials probably forms by:
a. Autogenesis
b. Guided tissue regeneration
c. Endochondral formation
d. Intramembranous formation. Answer: b. Guided Tissue
regeneration
