The Nurse Instructs a Client on the Steps Needed to Obtain

The nurse instructs a client on the steps needed to obtain a peak expiratory flow rate.In which order should these steps occur?
1) "Take as deep a breath as possible."
2) "Stand up (unless you have a physical disability) ."
3) "Place the meter in your mouth,and close your lips around the mouthpiece."
4) "Make sure the device reads zero or is at base level."
5) "Blow out as hard and as fast as possible for 1 to 2 seconds."
6) "Write down the value obtained."
7) "Repeat the process two additional times,and record the highest number in your chart."

A) 4, 2, 1, 3, 5, 6, 7
B) 3, 4, 1, 2, 5, 7, 6
C) 2, 1, 3, 4, 5, 6, 7
D) 1, 3, 2, 5, 6, 7, 4