Codes can have Excludes1 notes and:

Correct instruction in the technique of incentive spirometry should include which of the follow-ing?

a. Use of accessory muscles at high inspira-tory flows b. Diaphragmatic breathing at slow to mod-erate flows c. "Panting" at volumes approaching total lung capacity d. Use of accessory muscles at low inspira-tory flows

The disinfectant level that has germicidal agents that can kill all gram-negative bacteria and fungi, but have variable success against spores and certain viruses is:

A. the low level of disinfectants. B. the highest level of disinfectants. C. the intermediate level of disinfectants. D. the germicidal level of disinfectants.