By definition, a dietary supplement may include

Which is NOT a reason for rising healthcare costs?

a. Fewer people are seeking healthcare now compared to 20 years ago. b. Medical treatments and equipment employed are more extensive and sophisticated and, therefore, more expensive. c. The cost of training healthcare professionals and malpractice insurance expenses are rising. d. When a significant part of a person's medical expenses are paid for by a health plan, the healthcare provider pinches pennies at the expense of the client.

In the context of respirators, what does the "S" stand for in the acronym SAR?

a. Supplied b. Supplemental c. Self d. System