The Nurse Is Teaching the Client to Use a Metered-Dose

The nurse is teaching the client to use a metered-dose inhaler.Which information will the nurse provide to the client?

A) Take a deep breath,hold it,and then gently squeeze the inhaler to dispense the medication.
B) Take several slow deep breaths in through the nose and out through the mouth,then squeeze the inhaler while taking a deep breath.
C) Exhale comfortably,squeeze the cannister to discharge the medication,and inhale slowly and deeply through the mouth,then hold the breath for 10 seconds,or as long as possible.
D) Exhale deeply,squeeze the cannister to discharge the medication,and inhale slowly and deeply through the mouth,then hold the breath for 10 seconds,and exhale through the nose.