A nurse is caring for several clients who are prescribed inhaled medications. Which client could benefit from the use of a spacer?
a. A 7-year-old client using a nebulizer for bronchiolitis​
b. An 8-year-old client using a pressurized metered-dose inhaler for asthma​
c. A 65-year-old client using a dry-powder inhaler for chronic obstructive pulmonary disease​
d. A 32-year-old client using a breath-actuated inhaler for chronic bronchitis​