This odorless gas is highly toxic.  It is produced by exhaust fumes from motor vehicles, and when inhaled, interferes with the oxygen carrying capacity of the blood.

Compensation for health care providers is mandated by law to keep costs down.

Which of the  following is NOT a characteistic of factory farms?

Cervical cancer screening rules have been amended to decrease the frequency of testing in older women due to false positives.

Vaccines are 100% safe in all individuals.

Pay for performance approaches encourage hospitals to request tests and procedures that are costly and unnecessary.

Post-exposure vaccination for polio is not effective.

Bird flu is a type of influenza that can be transmitted directly from birds to people.

Screening tests for HIV identify the virus in the blood.

Legal disposal of hazardous wastes is expensive and no one knows how much illegal “midnight dumping” may actually occur.