The protection of workers from toxic chemicals, unsanitary conditions, and dangerous machinery is the key point of the:

Which of the following is true of nonparticipating providers who accept assignment?

They receive 10% lower fees for services than participating providers. They have access to beneficiary eligibility information. They are required to file Medicare claims on behalf of Medicare patients. They receive 15% lower fees for services than participating providers.

Microscopes are classified by:

A) the specimen to be examined. B) the examination to be conducted. C) personal preference. D) both A and B.