Question

an asthma educator is teaching a client newly diagnosed with asthma and the family about the use of a peak flow meter. the educator should teach the client that a peak flow meter measures highest airflow during which type of breath? forced expiration normal inspiration normal expiration forced inspiration

Explanation:

A peak flow meter is used to measure the highest airflow rate during a forced expiration. Forced expiration involves exhaling as forcefully and quickly as possible after a deep inhalation, which is how peak flow meters assess airway function in asthma. Normal inspiration/expiration are not forceful enough, and forced inspiration is not what the meter measures (it focuses on expiratory flow).

Answer:

A. Forced expiration