Which of the Following Statements About Genetic Factors in Obesity

question 21

Multiple Choice

Which of the following statements about genetic factors in obesity is TRUE?

• A) The genetic contribution to obesity is about 75%.
• B) The weight of an adopted child is more closely related to the weights of the adoptive parents than to the weights of the biological parents.
• C) Researchers have identified a single gene responsible for obesity.
• D) Genetic factors influence body fat distribution.

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Definitions:

High Pressure

A condition where the force exerted by a fluid (such as blood or air) against the walls of its container (such as blood vessels or airways) is greater than normal.

Arteries

Blood vessels that carry oxygen-rich blood away from the heart to the body's tissues.

Distributing Arteries

Arteries that branch from larger arteries to distribute blood to various parts of the body.

Tunica Media

The middle layer of the wall of a blood vessel, composed primarily of smooth muscle cells and elastic fibers, which regulate vascular diameter and blood pressure.