CTBS ACTUAL EXAMS SCRIPT QUESTIONS AND
ANSWERS SURE A+
✔✔The Ross procedures uses pulmonary heart valve allografts to replace:
a. The mitral valve, which is then used to replace the semilunar valve
b. The aortic valve, which is then used to replace the pulmonary valve
c. The tricuspid valve, which is then used to replace the mitral valve
d. The pulmonary valve, which is then used to replace the aortic valve - ✔✔d. The
pulmonary valve, which is then used to replace the aortic valve
✔✔Which of the following blood cells produced in the trabecular area of long bone is
responsible for fighting infection?
a. Red blood cells
b. White blood cells
c. Platelets
d. Macrophages - ✔✔b. White blood cells
✔✔Which of the following is not a deferral criteria for cardiovascular tissue?
a. Bacterial Endocarditis
b. Diabetes Mellitus
c. Rheumatic Fever
d. Idiopathic Cardiomyopathy - ✔✔b. Diabetes Mellitus
✔✔Which of the following is the site of growth in long bones?
a. Diaphyis
b. Metaphysis
c. Epiphysis
d. Periosteum - ✔✔c. Epiphysis
✔✔What year did the FDA issue the interim rule for human tissue for transplantation?
a. 1987
b. 1993
c. 1986
d. 1992 - ✔✔b. 1993
✔✔At what age is a hemodilution algorithm required if the donor has been transfused or
infused at all?
a. 15yrs
b. 10yrs
c. 14yrs
d. 16yrs - ✔✔b. 10yrs
✔✔During aseptic recovery, a long bone tissue involved in an open fracture:
a. May be recovered if the bone is soaked in antibiotics
,b. May be recovered if normal cryopreservation techniques are used
c. May never be recovered
d. May be recovered if it has been submerged in alcohol for 10min prior to wrapping -
✔✔c. May never be recovered
✔✔Refrigerated MS tissue must be retrieved aseptically and placed in an isotonic or
nutrient medium with suitable antibiotics at no more than:
a. 15 degrees C
b. 20 degrees C
c. 25 degrees C
d. 10 degrees C - ✔✔d. 10 deg C
✔✔Age limits for MS tissue donation are determined by:
a. The requesting physician
b. The donor family
c. The medical director
d. The medical history of the donor - ✔✔c. The medical director
✔✔The major weight baring bone between the ankle and the knee is the:
a. Tarsus
b. Fibula
c. Femur
d. Tibia - ✔✔d. Tibia
✔✔Bone resulting from the use of demineralized human graft materials probably forms
by:
a. Endochondral Formation
b. Guided Tissue Regeneration
c. Intramembranous Formation
d. Autogenesis - ✔✔b. Guided Tissue Regeneration
✔✔Which of the following cells is the most prevalent in the remodeling of bone:
a. Osteoclasts
b. Osteocytes
c. Mesenchymal Cells
d. Osteoblasts - ✔✔d. Osteoblasts
✔✔Massive intercalary allografts are used primarily for:
a. Bone Induction Process
b. Structural Support in Long Bones
c. Placing in Infected Wounds
d. Grinding into Chips for Filling Defects - ✔✔b. Structural Support in Long Bones
,✔✔Retrieved MS tissue must be wrapped in an aseptic fashion with at least
___moisture barriers
a. 3
b. 2
c. 1
d. 4 - ✔✔b. 2
✔✔MS tissue excision must begin within:
a. 36hrs of systole if body was refrigerated within 4hrs of asystole
b. 24hrs of systole
c. 15hrs of systole if body was refrigerated within 8hrs of asystole
d. 24hrs of asystole if the body was refrigerated within 12 hours of systole - ✔✔d. 24hrs
of asystole if the body was refrigerated within 12 hrs of systole
✔✔When recovering patellar tendons to be used in anterior cruciate reconstruction:
a. Sufficient bone should be left on the tibial insertion of the tendon to allow for bony
fixation
b. The bone should be removed from the tibial insertion of the tendon
c. The tendon should be split into fourths
d. The patella should be completely removed from the tendon - ✔✔a. Sufficient bone
should be left on the tibial insertion of the tendon to allow for bony fixation
✔✔The lesser trochanter is a landmark on the:
a. Femur
b. Humerus
c. Ulna
d. Tibia - ✔✔a. Femur
✔✔When recovering the femur, the incision should begin:
a. Anteriorly over the patellar tendon
b. At the anterior-superior iliac spine
c. At the lateral aspect of the femur
d. At the greater trochanter - ✔✔b. At the anterior-superior iliac spine
✔✔Osteochondral allograft refers to bone that has been treated primarily to
cryopreserve the:
a. Haversion System
b. Cartilate of Articular Surfaces
c. Cortical Bone Matrix
d. Bone Morphogenic Proteins - ✔✔c. Cortical Bone Matrix
✔✔If any additional processing of refrigerated MS tissue is necessary, the total wet
ice/refrig time must not exceed ___ from time of retrieval
a. 5 days
, b. 72hrs
c. 24hrs
d. 4 days - ✔✔b. 72hrs
✔✔If the donor body has not been refrigerated, tissue excision must begin
within____hrs of asystole
a. 15
b. 24
c. 12
d. 10 - ✔✔a. 15
✔✔Skin should be procured to depth of:
a. 6-11 thousands of an inch
b. 19-35 thousands of an inch
c. 1-5 thousands of an inch
d. 12-18 thousands of an inch - ✔✔d. 12-18 thousands of an inch
✔✔Which of the following medications could possibly mask an infection process and
may contribute to thin, brittle skin?
a. Antihypertensive
b. Topical lotions containing para amino benzoic acid
c. Long term, high dosages corticosteroids
d. Anti-depressants - ✔✔c. Long term, high dosages corticosteroids
✔✔When skin grafts are removed, the use of tissue culture media such as RPMI or
DMEM is:
a. Selected because they contain a pH indicator not present in normal saline
b. Because of the nutrient support it provides to the skin cells
c. Due to the unique dilutent properties they possess with glycerol for freezing
d. Because of nutrient support for the stratum corneum - ✔✔b. Because of the nutrient
support it provides to the skin cells
✔✔In order to maintain optimal cellular viability, skin grafts may be maintained prior to
freezing:
a. In sterile water
b. In tissue culture media at 1 degree C to 10 degrees C
c. At 25 degrees C
d. Indefinitely at 4 degrees C - ✔✔b. In tissue culture media at 1 degree C to 10
degrees C
✔✔While shaving the donor for skin recovery, the technician:
a. Must shave only if the donor is very hairy
b. Should shave carefully to remove all hair that may trap bacteria or debris in the graft
area.
c. Should use only an electric razor to avoid nicks in the skin.
ANSWERS SURE A+
✔✔The Ross procedures uses pulmonary heart valve allografts to replace:
a. The mitral valve, which is then used to replace the semilunar valve
b. The aortic valve, which is then used to replace the pulmonary valve
c. The tricuspid valve, which is then used to replace the mitral valve
d. The pulmonary valve, which is then used to replace the aortic valve - ✔✔d. The
pulmonary valve, which is then used to replace the aortic valve
✔✔Which of the following blood cells produced in the trabecular area of long bone is
responsible for fighting infection?
a. Red blood cells
b. White blood cells
c. Platelets
d. Macrophages - ✔✔b. White blood cells
✔✔Which of the following is not a deferral criteria for cardiovascular tissue?
a. Bacterial Endocarditis
b. Diabetes Mellitus
c. Rheumatic Fever
d. Idiopathic Cardiomyopathy - ✔✔b. Diabetes Mellitus
✔✔Which of the following is the site of growth in long bones?
a. Diaphyis
b. Metaphysis
c. Epiphysis
d. Periosteum - ✔✔c. Epiphysis
✔✔What year did the FDA issue the interim rule for human tissue for transplantation?
a. 1987
b. 1993
c. 1986
d. 1992 - ✔✔b. 1993
✔✔At what age is a hemodilution algorithm required if the donor has been transfused or
infused at all?
a. 15yrs
b. 10yrs
c. 14yrs
d. 16yrs - ✔✔b. 10yrs
✔✔During aseptic recovery, a long bone tissue involved in an open fracture:
a. May be recovered if the bone is soaked in antibiotics
,b. May be recovered if normal cryopreservation techniques are used
c. May never be recovered
d. May be recovered if it has been submerged in alcohol for 10min prior to wrapping -
✔✔c. May never be recovered
✔✔Refrigerated MS tissue must be retrieved aseptically and placed in an isotonic or
nutrient medium with suitable antibiotics at no more than:
a. 15 degrees C
b. 20 degrees C
c. 25 degrees C
d. 10 degrees C - ✔✔d. 10 deg C
✔✔Age limits for MS tissue donation are determined by:
a. The requesting physician
b. The donor family
c. The medical director
d. The medical history of the donor - ✔✔c. The medical director
✔✔The major weight baring bone between the ankle and the knee is the:
a. Tarsus
b. Fibula
c. Femur
d. Tibia - ✔✔d. Tibia
✔✔Bone resulting from the use of demineralized human graft materials probably forms
by:
a. Endochondral Formation
b. Guided Tissue Regeneration
c. Intramembranous Formation
d. Autogenesis - ✔✔b. Guided Tissue Regeneration
✔✔Which of the following cells is the most prevalent in the remodeling of bone:
a. Osteoclasts
b. Osteocytes
c. Mesenchymal Cells
d. Osteoblasts - ✔✔d. Osteoblasts
✔✔Massive intercalary allografts are used primarily for:
a. Bone Induction Process
b. Structural Support in Long Bones
c. Placing in Infected Wounds
d. Grinding into Chips for Filling Defects - ✔✔b. Structural Support in Long Bones
,✔✔Retrieved MS tissue must be wrapped in an aseptic fashion with at least
___moisture barriers
a. 3
b. 2
c. 1
d. 4 - ✔✔b. 2
✔✔MS tissue excision must begin within:
a. 36hrs of systole if body was refrigerated within 4hrs of asystole
b. 24hrs of systole
c. 15hrs of systole if body was refrigerated within 8hrs of asystole
d. 24hrs of asystole if the body was refrigerated within 12 hours of systole - ✔✔d. 24hrs
of asystole if the body was refrigerated within 12 hrs of systole
✔✔When recovering patellar tendons to be used in anterior cruciate reconstruction:
a. Sufficient bone should be left on the tibial insertion of the tendon to allow for bony
fixation
b. The bone should be removed from the tibial insertion of the tendon
c. The tendon should be split into fourths
d. The patella should be completely removed from the tendon - ✔✔a. Sufficient bone
should be left on the tibial insertion of the tendon to allow for bony fixation
✔✔The lesser trochanter is a landmark on the:
a. Femur
b. Humerus
c. Ulna
d. Tibia - ✔✔a. Femur
✔✔When recovering the femur, the incision should begin:
a. Anteriorly over the patellar tendon
b. At the anterior-superior iliac spine
c. At the lateral aspect of the femur
d. At the greater trochanter - ✔✔b. At the anterior-superior iliac spine
✔✔Osteochondral allograft refers to bone that has been treated primarily to
cryopreserve the:
a. Haversion System
b. Cartilate of Articular Surfaces
c. Cortical Bone Matrix
d. Bone Morphogenic Proteins - ✔✔c. Cortical Bone Matrix
✔✔If any additional processing of refrigerated MS tissue is necessary, the total wet
ice/refrig time must not exceed ___ from time of retrieval
a. 5 days
, b. 72hrs
c. 24hrs
d. 4 days - ✔✔b. 72hrs
✔✔If the donor body has not been refrigerated, tissue excision must begin
within____hrs of asystole
a. 15
b. 24
c. 12
d. 10 - ✔✔a. 15
✔✔Skin should be procured to depth of:
a. 6-11 thousands of an inch
b. 19-35 thousands of an inch
c. 1-5 thousands of an inch
d. 12-18 thousands of an inch - ✔✔d. 12-18 thousands of an inch
✔✔Which of the following medications could possibly mask an infection process and
may contribute to thin, brittle skin?
a. Antihypertensive
b. Topical lotions containing para amino benzoic acid
c. Long term, high dosages corticosteroids
d. Anti-depressants - ✔✔c. Long term, high dosages corticosteroids
✔✔When skin grafts are removed, the use of tissue culture media such as RPMI or
DMEM is:
a. Selected because they contain a pH indicator not present in normal saline
b. Because of the nutrient support it provides to the skin cells
c. Due to the unique dilutent properties they possess with glycerol for freezing
d. Because of nutrient support for the stratum corneum - ✔✔b. Because of the nutrient
support it provides to the skin cells
✔✔In order to maintain optimal cellular viability, skin grafts may be maintained prior to
freezing:
a. In sterile water
b. In tissue culture media at 1 degree C to 10 degrees C
c. At 25 degrees C
d. Indefinitely at 4 degrees C - ✔✔b. In tissue culture media at 1 degree C to 10
degrees C
✔✔While shaving the donor for skin recovery, the technician:
a. Must shave only if the donor is very hairy
b. Should shave carefully to remove all hair that may trap bacteria or debris in the graft
area.
c. Should use only an electric razor to avoid nicks in the skin.
