After the Inhalation of a Bronchodilator, What Percentage Change in Peak

question 4

Multiple Choice

After the inhalation of a bronchodilator, what percentage change in peak expiratory flow (PEFR) would be required to demonstrate reversible airflow limitation consistent with asthma?

• A) -20%
• B) -10%
• C) +10%
• D) >20%

---

Definitions:

Elderly Individuals

are persons typically aged 65 years and older, often considered to be in the retirement phase of life.

Poverty Rates

The percentage of the population living below the poverty line, reflecting the proportion of individuals or families who cannot meet basic needs.

Poverty Threshold

The minimum level of income deemed adequate in a particular country for a person or family to afford basic needs, such as food, housing, and clothing.

Bottom 20 Percent

Refers to the lowest fifth of individuals or households in terms of income or wealth distribution in a given population.