Calculate the following concentrations.A pharmacy technician needs to make 1,200 mL of a 7% NaCl solution by diluting a 12% solution of NaCl. How many mL of the 12% NaCl solution are needed?__________

Which of the following is one of a fire department's two basic resources?

a. Training b. Apparatus c. Leadership d. Organization

Which of the following is NOT considered an invasive procedure?

A. Administering an injection B. Working with an open wound C. Applying a topical ointment D. Making a surgical incision