Which is the correct statement about masks?

A. To be cost effective, masks may be worn as long as they do not show visible signs of contamination.
B. Wearing two masks offers twice the protection.
C. Masks filter 99% of particles.
D. When tying a mask, the ties should be crossed at the back of the head.

ANS: C

Health Professions

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Evaluation is

A) A periodic event B) A process that occurs every 6 months C) An ongoing process D) A one-time event

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Which types of scheduled drugs have "high abuse potential"?

A. Schedules I and II B. Schedules II and III C. Schedules I and V D. Schedules IV and V

Health Professions