The Chemical Mediator That Causes Prolonged Bronchospasm, Vascular Permeability, and Mucus

question 14

Multiple Choice

The chemical mediator that causes prolonged bronchospasm, vascular permeability, and mucus secretion of asthmatic patients is ______.

• A)histamine
• B)leukotriene
• C)platelet-activating factor
• D)serotonin
• E)prostaglandin

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Definitions:

Genetic Map

A chart that shows the relative positions of genes and genetic markers on a chromosome based on the frequency of recombination between markers.

Genetic Counseling

A service that provides individuals and families with information on the nature, inheritance, and implications of genetic disorders to help them make informed medical and personal decisions.

BRCA Analysis

Genetic testing that checks for mutations in the BRCA1 and BRCA2 genes, known to increase the risk of breast and ovarian cancers.

Genetic Disorder

A condition caused by abnormalities in an individual's DNA, often resulting in disease or variations in development.