Placing a caller on hold is _____ when the person being called will come on the line within a short period of time

Transdermal gels are also known as PLO gels; PLO stands for:

A) Palmitate lecithin organogel. B) Pluronic lecithin organogel. C) Poloxamer lycine oragel. D) Palmitate lycine oragel.

What percent of the total lung capacity (TLC) does the residual volume (RV) normally represent?

a. 10% b. 20% c. 30% d. 40%