Helper T Cells

question 5

Multiple Choice

Helper T cells

• A) Activate B cells to produce specific antibodies
• B) Differentiate into cytotoxic T cells upon re-exposure to a known pathogen
• C) Help T cells recognize antigens as nonself
• D) Recognize and kill viral cells by secreting perforin
• E) Secrete interferon upon contact with a virus

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Definitions:

Depersonalization/Derealization Disorder

A mental disorder characterized by experiencing a feeling of being detached from one's own body or thoughts (depersonalization) and a sense of unreality about the external world (derealization).

PET Scan Activity

A measure of metabolic activity within the brain or other parts of the body using Positron Emission Tomography, which can help in diagnosing diseases and understanding brain functions.

Brain Wave Activity

The patterns of neural oscillations in the brain, detectable with electroencephalography (EEG), linked to different states of consciousness.

Dissociative Fugue

A psychological state in which a person loses awareness of their identity or other important autobiographical information and often involves unexpected travel away from home.