Why should you use a spacer when administering albuterol for an asthma attack?

Spacers help the medication get straight to where it's needed in your lungs, with less medication ending up in your mouth and throat where it can lead to irritation or mild infections. A spacer can also make it easier to coordinate breathing in and pressing your puffer.

By placing 2 fingers at the sternum (the spot where the lower ribs meet) the put the heel of your other hand next to your fingers. hope this

Ithink the answer is c.  hope this is right and