Answer:I need to shake the inhaler well before taking the medication."
Explanation: An inhaler is a mixture of the needed medicine and the propellant for carrying the gaseous medicine to force it through ther respiratory tracks en route i the lungs.
Therefore in order to get the right doses during spray administration, it should be well shaken by the user before use
Missing part of the question
"I should take a deep breath, hold it while I administer the medication, and then exhale."
"I need to shake the inhaler well before taking the medication."
"I need to take three short, quick breaths to inhale the medication."
"I need to wait at least 30 minutes after the first inhalation before taking a second."