Which of the Following Is Linked to More Rapid Onset

question 143

Multiple Choice

Which of the following is linked to more rapid onset of hearing difficulties in older adults?

• A) defects in mitochondria and declining levels of testosterone
• B) poor nutrition and a lifetime of smoking
• C) high blood pressure and resistant hypertension
• D) dietary intake of beta-carotene and obesity

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Definitions:

Hormone

A chemical secreted by a cell that affects the functions of other cells.

Steroidal Hormones

Hormones derived from cholesterol, including sex hormones and corticosteroids, which play vital roles in body functions.

Genes

Units of heredity made up of DNA that encode the information necessary to build and maintain an organism's cells and pass traits to offspring.

Nucleus

The central and most important part of an object, movement, or group, forming the basis for its activity and growth; in cells, it is the organelle that houses the cell's DNA.