With ________ sinusitis, infection or inflammation may last for three months or longer

The sum of the days' stay of any group of inpatients discharged during a specific period of time is ____

A) total length of stay B) total discharge days C) percentage of occupancy D) none of the above

Above is a graph of the therapeutic index of a drug. How many milligrams of this drug will produce a lethal dose in 100% of the subjects tested?

A. 38 mg B. 40 mg C. 60 mg D. 78 mg