For the Patient's New Immune System to Function Effectively in Bone

question 52

Multiple Choice

For the patient's new immune system to function effectively in bone marrow recipients,some HLA allotypes must be shared because _____.(Select all that apply.)

• A)professional antigen-presenting cells are host-derived
• B)professional antigen-presenting cells are donor-derived
• C)otherwise an autoimmune disease would develop
• D)newly generated T cells are positively selected on the recipient's thymic epithelium
• E)if all HLA molecules were mismatched,acute rejection of the grafted cells would occur.

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Definitions:

Marcia's Categories

A classification system developed by James Marcia that identifies four statuses of adolescent identity development: achievement, moratorium, foreclosure, and diffusion.

Pre-Med

A collegiate track or concentration geared towards preparing students for medical school and a career in medicine.

Formal Operational Thinking

The stage in cognitive development characterized by the ability to think logically about abstract concepts, proposed by Jean Piaget.

Formal Operational Reasoning

A stage in Piaget's theory of cognitive development, where individuals are able to think abstractly, systematically, and logically.