Joan's Inflamed and Painful Joints Are Likely Due to Which

question 52

Multiple Choice

Joan's inflamed and painful joints are likely due to which of the following chemicals?

• A)gamma interferon
• B)interleukin-5
• C)prostaglandins
• D)histamine
• E)platelet-activating factor

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Definitions:

Lactose Tolerance Allele

A variant of the gene that allows adults to digest lactose, a sugar found in milk, indicating an adaptation to dairy consumption.

High-Elevation Adaptations

The physical or physiological changes that enable organisms to survive and reproduce at high altitudes.

Positive Selection

A process by which beneficial genetic variations that increase fitness are selected for and become more common in a population.

Avian Influenza

A viral infection spread from bird to bird, often highly contagious and potentially deadly, also known as bird flu.