Which of the Following Statements Regarding Positive Selection Is Correct

question 13

Multiple Choice

Which of the following statements regarding positive selection is correct?

• A)All subsets of developing T cells undergo positive selection before export to the peripheral circulation.
• B)T-cell receptor editing is linked to the process of positive selection.
• C)Positive selection results in the production of T cells bearing T-cell receptors that have the capacity to interact with all allotypes of MHC class I and class II molecules,and not just those of the individual.
• D)Positive selection ensures that autoreactive T cells are rendered non-responsive.
• E)If there is a genetic defect in AIRE,then T-cell development is arrested as positive selection commences.

Distinguish between independent and mutually exclusive projects and the implications for decision-making.

Comprehend the internal rate of return (IRR) and its role in evaluating investment opportunities.

Understand the payback and discounted payback methods and their limitations.

Recognize the concept of profitability index and its relation to NPV.

---

Definitions:

Hearing Voices

The experience of hearing sounds, particularly voices, when no external sound is present, often associated with certain mental health conditions.

Schizophrenic

Relating to schizophrenia, a mental disorder characterized by abnormal behavior, strange speech, and a decreased ability to understand reality.

CIA Agents

Members of the Central Intelligence Agency, an American intelligence service, responsible for gathering, processing, and analyzing national security information from around the world.

Paranoid Schizophrenia

A subtype of schizophrenia characterized by prominent delusions or auditory hallucinations in the context of a relative preservation of cognitive functioning and affect.