The critical sexual assault time frame for emergency contraception is ____ hours.

A medical office manager must be able to

A. draw blood. B. multi-task. C. use sign language. D. cook.

A stationary liquid oxygen system contains 80 lb of oxygen when full. A home care patient is using it 8 hours each day, during sleep, at a rate of 3 L/min. At this usage, how many days will the liquid oxygen last?

a. 6 c. 19 b. 8 d. 27