Which of the Following Statements Would the Nurse Use When

Which of the following statements would the nurse use when teaching a client about the in-line method of administering albuterol (Proventil) ?

A) "After you inhale the medication once,repeat until you obtain relief."
B) "Make sure that you puff out air repeatedly after you inhale the medication."
C) "Hold your breath as long as you can after you inhale the medication."
D) "After the drug escapes the machine,exhale for as long as possible."