The _____ ratio is a ratio comparing the total number of older adults in a population to the number of people aged 15–64 years.

True or False? Providing assistive devices to people with disabilities can enable independence and fuller participation in social activities.

True or False? The keratin that makes up hair and nails; the hemoglobin in blood that transports oxygen; the antibodies that help the body’s immune system recognize and fight infection; the actin and myosin that contract and relax muscles; and the collagen in ligaments, tendons, and skin are all types of carbohydrates.

True or False? Water, sanitation system, and hygiene interventions are cost-effective means for reducing the preventable burden of water- and sanitation-related diseases in low- and middle-income countries.

People with which condition may not have the energy to get out of bed, eat, go to work, meet with friends, or conduct other routine daily activities?

True or False? Among global health implementing groups that have annual budgets of millions of dollars, the functional differences between for-profits and nonprofits are often minimal.

A(n) _____ approach draws on several traditional areas of academic study to understand complex issues.

True or False? Quarantine is applied to people who have a contagious infection.

Which substances are needed for the processing of some vitamins (A, D, E, and K) and are used by the body to make other compounds such as steroid hormones?

The term years of life lost describes the burden of _____ in a population.