Positive Selection of Lymphocytes Refers to the

question 85

Multiple Choice

Positive selection of lymphocytes refers to the

• A) processing of an antigen by a macrophage.
• B) proliferation of natural killer cells.
• C) production of antigen-specific antibodies.
• D) survival of pre-B and pre-T cells that are capable of an immune response.
• E) replication of memory cells.

---

Definitions:

Specific Phobia

An intense, irrational fear of specific situations, objects, or activities, which can significantly interfere with daily functioning.

Unrealistic Fear

A fear that is disproportionate to the actual risk or threat present in a situation, often based on imagination or speculation rather than fact.

Hallucination

The perception of something not present, such as hearing or seeing something that isn't there, often associated with psychiatric conditions or substance use.

Sensory Experience

The subjective experience of sensory information, which includes sight, sound, taste, touch, and smell.