Processing

Question 1

Allograft bone that has been processed and labeled as DEMINERALIZED must have a residual calcium content that does NOT exceed:

Answer 1

8%

Question 2

Which of the following allografts could be processed from the tissue in the photo below?

Answer 2

Bone-tendon-bone graft

Question 3

The osteoinductive property of bone matrix is NOT destroyed by:

Answer 3

acidic extraction

Question 4

The critical phase of the cryopreservation (control-rate freeze cycle) of allograft skin and heart valves is:

Answer 4

latent heat of fusion

Question 5

Which of the following bacteria are commonly found on the skin?

Answer 5

Propionibacterium species

Question 6

An entire body of air within a designated space that moves with uniform velocity in a single direction along parallel flow lines is considered:

Answer 6

laminar air flow

Question 7

A cleanroom processing suite is under what kind of pressure?

Answer 7

Positive

Question 8

According to AATB Standards, what is the MAXIMUM temperature at which refrigerated skin can be stored?

Answer 8

10°C

Question 9

Musculoskeletal tissue that is positive for Clostridium species, Streptococcus pyogenes (group A strep.), or any other organism determined by the processor to be virulent or difficult to eliminate shall be:

Answer 9

discarded unless treated with a disinfection or sterilization process that is validated to eliminate the infectivity of such organisms