Which of the following is a means of passing through a fire-barrier wall that separates two fire compartments in a structure?

Which of the following could be considered to achieve even density of the AP projection t-spine?

application of a small focal spot use of a trough filter use of a wedge filter application of a large focal spot

A(n) ________ medication is placed under the tongue, where it is absorbed through tissue that is rich in capillaries. 

Fill in the blank(s) with the appropriate word(s).