What Is the Best Description of the Hygiene Hypothesis

question 1

Multiple Choice

What is the best description of the hygiene hypothesis?

• A) A high level of hygiene prevents autoimmune disorders.
• B) A high level of hygiene prevents allergic reactions.
• C) Hygienic practices that prevent intestinal worms lead to dysfunction of the immune system.
• D) Poor hygiene leads to autoimmune disorders.

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Definitions:

Dikes

Vertical or steeply inclined sheet-like bodies of igneous rock that cut through sedimentary rock layers.

Intrusive Rock

Igneous rock formed from magma that cools and solidifies within the crust of the planet, creating large crystal grains.

Extrusive Rock

Igneous rock that forms on the Earth's surface as lava cools and solidifies.

Igneous Rock

Stone created by magma or lava hardening as it cools.