Which instruction is correct when teaching a patient how to use a traditional metered-dose inhaler? 1. “Inhale deeply, place canister in mouth, depress top of canister, exhale.” 2. “Exhale, place...

Which instruction is correct when teaching a patient how to use a traditional metered-dose inhaler? 1. “Inhale deeply, place canister in mouth, depress top of canister, exhale.” 2. “Exhale, place canister in mouth, depress canister and inhale at the same time.” 3. “Cough, place canister in mouth, inhale deeply, cough again.” 4. “Exhale, depress canister, place in mouth, inhale deeply