The Estimated Global Burden of Disease (Percentage) Linked to Environmental

question 8

Multiple Choice

The estimated global burden of disease (percentage) linked to environmental sources is:

• A) 5% to 20%.
• B) 25% to 33%.
• C) 35% to 50%.
• D) 55% to 70%.
• E) 75% to 89%.

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Definitions:

Enamel

The hard, outermost layer of a tooth that protects against decay and is the hardest substance in the human body.

Photomicrograph

An image taken using a microscope to show a magnified view of a tiny object.

Duodenum

The first section of the small intestine immediately beyond the stomach, responsible for the initial breakdown and absorption of nutrients.

Esophagus

The muscular tube that connects the throat (pharynx) with the stomach, responsible for moving swallowed food and liquids.