In Order to Establish the Personal Best Peak Flow, Which

question 21

Multiple Choice

In order to establish the personal best peak flow, which instructions should the asthma educator give the patient?
I. Record peak flows when free of symptoms.
II. Record peak flows once a week for 2 to 3 weeks.
III. Record peak flows preferably in the early afternoon.
IV. Maintain peak flow values within 80% of the best peak flow.

• A) I, III, and IV only
• B) II and IV only
• C) I, II, and III only.
• D) I, III, and IV only.

---

Definitions:

Correlation

A statistical measure that expresses the extent to which two variables change together, ranging from -1 to 1.

Pearson Correlation

A measure of the linear relationship between two variables, ranging from -1 to 1, where 1 means a perfect positive correlation and -1 means a perfect negative correlation.

Correlation Coefficient

A statistical measure that quantifies the degree of relationship or association between two variables.

Relationship

The way in which two or more concepts, objects, or people are connected, or the state of being connected.