Which T-Lymphocyte Phenotype Is the Key Determinant of Childhood Asthma

question 6

Multiple Choice

Which T-lymphocyte phenotype is the key determinant of childhood asthma?

• A) Cluster of differentiation (CD) 4 T-helper Th1 lymphocytes
• B) CD4 T-helper Th2 lymphocytes
• C) CD8 cytotoxic T lymphocytes
• D) Memory T lymphocytes

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Definitions:

Classical Conditioning

A learning process where two stimuli are repeatedly paired: a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Eyeblink Response

A reflex action of closing the eyelids quickly to protect the eyes from threats or stimuli.

Cerebellum

Part of the brain that regulates motor movements, including coordination, precision, and timing.

Serial-Position Effect

A cognitive phenomenon where people tend to remember the first and last items in a series better than the middle items.