CTBS Practice Exam 2 2024/2025 | Actual Questions and Answers Latest
Updated 2024/2025 (Graded A+)
You are responsible for Quality checking residual chemical levels and process bone grafts and a very
small piece of tissue(<100 mg), the residual ethylene glycol level can be up to blank parts per million.
A. 250
B. 2000
C. 2500
D. 5000 - ✔✔D.5000
You are quality checking microbiological results on a heart valve-graft. They found clostridium
perfringens on the tissue. This microbe will result in automatic discard of the tissue:
A. true, Clostridium species is not allowed.
B. true, but only because of my medical director
C. False, clostridium can be irradiated.
D. False, clostridium can be removed with antibiotics. - ✔✔A. True, Clostridium species is not allowed.
Fresh or cryopreserved skin shall not be used if any of the following organisms are found. -
✔✔Staphylococcus aureus, Group A strep(S. pyogenes), Enterococcus species, Gram negative bacilli,
Clostridium(genus), Fungi(yeasts & molds), fast growing fungal organisms.
History of tissue banking Who started and in what year? - ✔✔U.S. Navy Tissue Bank in 1949
What year did AATB start? - ✔✔1976
What year were 1st standards created by AATB? - ✔✔1984
You work for an organization known as a Tissue Dispensing Service. Who is responsible to supervise your
organization's activities? - ✔✔A Physician
,You are training a staff member about authorization and they ask you: What makes a Document of
Authorization different than a Document of Gift?
A. It is a legal record
B. It describes postmortem recovery
C. It can be signed or recorded.
D. The signer is an Authorizing person. - ✔✔D. The signer is a Authorizing person.
You are a recovery coordinator reviewing a donor's fluid intake. At what age must you have blood loss
and infusion of >2000 ml of blood products/fluids when considering plasma dilution?
A. >12 years old or = too
B. =13 years of age et older
C. < or = to 12 years old
D. < 12 years old. - ✔✔B.
=13 years of age et older.
Cardiac, Vascular
Storage conditions and temperature (C)
A. lyophilized & Ambient
B. Frozen, cryopreserved -40 C or colder
C. Frozen, cryopreserved, -100 C or colder
D. Frozen, cryopreserved & -20c to -40c - ✔✔C. Frozen cryopreserved & -100 C or colder.
For Skin, What is the correct storage conditions and temperature (C)
A. Frozen, cryopreserved & LN2(Liquid Vapor Phase)
B. Refrigerated and above freezing(0 degrees Celsius) to 10 degree Celsius.
C. Frozen, Cryopreserved & -100 Celsius or colder.
D. lyophilized & Ambient - ✔✔B. Refrigerated and above freezing to 10 degrees celcius
D. lyophilized & Ambient
, What is the name of the valve between the left atrium and left ventricle?
A. Tricuspid valve
B. Mitral Valve
C. Bicuspid valve
D. Pulmonic valve - ✔✔B. Mitral valve and also known as bicuspid valve
Chagas' disease is caused by what parasite?
A. T. brucei
B. T. Cruzi
C. T. Avium
D. T. Lewisi - ✔✔B. T Cruzi
When handling sterile drapes, you must be sure that the drape is presented: - ✔✔To a sterile person
who is scrubbed, gowned, & gloved.
The Achilles bone is attached to which bone? - ✔✔Calcaneus
Refrigerated skin may be returned to inventory if it has been maintained in a closed container at: - ✔✔1-
10 degrees Celsius
The most accurate way to test for the presence of contaminating of tissue allografts is by: - ✔✔Culture
of blood and of the excised tissue of the donor at the time of recovery.
What are the 3 mechanisms of bone healing? - ✔✔Osteoconductivity
Osteoinductivity
Osteogenicity
What is Osteconduction? - ✔✔The process population of bone cells of the host into an inert graft.
Updated 2024/2025 (Graded A+)
You are responsible for Quality checking residual chemical levels and process bone grafts and a very
small piece of tissue(<100 mg), the residual ethylene glycol level can be up to blank parts per million.
A. 250
B. 2000
C. 2500
D. 5000 - ✔✔D.5000
You are quality checking microbiological results on a heart valve-graft. They found clostridium
perfringens on the tissue. This microbe will result in automatic discard of the tissue:
A. true, Clostridium species is not allowed.
B. true, but only because of my medical director
C. False, clostridium can be irradiated.
D. False, clostridium can be removed with antibiotics. - ✔✔A. True, Clostridium species is not allowed.
Fresh or cryopreserved skin shall not be used if any of the following organisms are found. -
✔✔Staphylococcus aureus, Group A strep(S. pyogenes), Enterococcus species, Gram negative bacilli,
Clostridium(genus), Fungi(yeasts & molds), fast growing fungal organisms.
History of tissue banking Who started and in what year? - ✔✔U.S. Navy Tissue Bank in 1949
What year did AATB start? - ✔✔1976
What year were 1st standards created by AATB? - ✔✔1984
You work for an organization known as a Tissue Dispensing Service. Who is responsible to supervise your
organization's activities? - ✔✔A Physician
,You are training a staff member about authorization and they ask you: What makes a Document of
Authorization different than a Document of Gift?
A. It is a legal record
B. It describes postmortem recovery
C. It can be signed or recorded.
D. The signer is an Authorizing person. - ✔✔D. The signer is a Authorizing person.
You are a recovery coordinator reviewing a donor's fluid intake. At what age must you have blood loss
and infusion of >2000 ml of blood products/fluids when considering plasma dilution?
A. >12 years old or = too
B. =13 years of age et older
C. < or = to 12 years old
D. < 12 years old. - ✔✔B.
=13 years of age et older.
Cardiac, Vascular
Storage conditions and temperature (C)
A. lyophilized & Ambient
B. Frozen, cryopreserved -40 C or colder
C. Frozen, cryopreserved, -100 C or colder
D. Frozen, cryopreserved & -20c to -40c - ✔✔C. Frozen cryopreserved & -100 C or colder.
For Skin, What is the correct storage conditions and temperature (C)
A. Frozen, cryopreserved & LN2(Liquid Vapor Phase)
B. Refrigerated and above freezing(0 degrees Celsius) to 10 degree Celsius.
C. Frozen, Cryopreserved & -100 Celsius or colder.
D. lyophilized & Ambient - ✔✔B. Refrigerated and above freezing to 10 degrees celcius
D. lyophilized & Ambient
, What is the name of the valve between the left atrium and left ventricle?
A. Tricuspid valve
B. Mitral Valve
C. Bicuspid valve
D. Pulmonic valve - ✔✔B. Mitral valve and also known as bicuspid valve
Chagas' disease is caused by what parasite?
A. T. brucei
B. T. Cruzi
C. T. Avium
D. T. Lewisi - ✔✔B. T Cruzi
When handling sterile drapes, you must be sure that the drape is presented: - ✔✔To a sterile person
who is scrubbed, gowned, & gloved.
The Achilles bone is attached to which bone? - ✔✔Calcaneus
Refrigerated skin may be returned to inventory if it has been maintained in a closed container at: - ✔✔1-
10 degrees Celsius
The most accurate way to test for the presence of contaminating of tissue allografts is by: - ✔✔Culture
of blood and of the excised tissue of the donor at the time of recovery.
What are the 3 mechanisms of bone healing? - ✔✔Osteoconductivity
Osteoinductivity
Osteogenicity
What is Osteconduction? - ✔✔The process population of bone cells of the host into an inert graft.
