Autologous Stem Cell Transplantation Is a Procedure in Which

question 22

Multiple Choice

Autologous stem cell transplantation is a procedure in which

• A) there is a high rejection rate.
• B) stem cells are transferred to the patient from an HLA-matched donor.
• C) stem cells are transferred to the patient from an identical twin.
• D) stem cells are harvested from the patient and then returned to the same patient.

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Definitions:

Operant Avoidance Learning

A learning process in which the subject acquires a behavior to prevent or avoid an unpleasant stimulus.

Discriminative Stimulus

A stimulus in the environment that signals the availability of reinforcement or punishment, guiding behavior accordingly.

Negative Reinforcement

A behavior modification technique that involves the removal of an unpleasant stimulus after a desired behavior is exhibited, making the behavior more likely to happen in the future.

Punishment

A consequence that decreases the likelihood of a behavior being repeated.