Increased serum peak and trough levels of aminoglycosides (e.g., gentamicin) are often associated with toxic effects to which of the following organs?

The increase in skills and training required to meet today's operational needs in a fire department successfully has made __________ necessary

Fill in the blank(s) with correct word

A medical office's monthly expenses may include ________.

A. waste removal B. medical supplies C. laundry D. All of these