Data from the National Health and Nutrition Examination Survey Show

question 32

True/False

Data from the National Health and Nutrition Examination Survey show that the prevalence of vitamin A deficiency in the U.S.is very low.

---

Definitions:

Myocardium

The muscular tissue of the heart that is responsible for heart contractions to pump blood throughout the body.

Oxygen

A chemical element that is crucial for life, necessary for respiration in humans and animals, and plays a vital role in combustion.

Arteriosclerosis

The thickening, hardening, and loss of elasticity of the walls of arteries, leading to restricted blood flow.

Ischemia

Restriction of blood flow to tissue or organs; often used with reference to the heart.