The Nurse Is Teaching a Patient with Asthma How to Measure

question 2

Multiple Choice

The nurse is teaching a patient with asthma how to measure peak expiratory flow rate (PEFR) .What should be included in the teaching plan? (Select all that apply. )

• A)Assume a recumbent position before measuring PEFR.
• B)Take a deep breath in,exhale,then place the mouthpiece in the mouth and form a firm seal with the lips.
• C)After placing the mouthpiece in the mouth,blow out as hard and as fast as possible through the mouth in only one single breath.
• D)Measure PEFR 3 times and record the highest number.

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Definitions:

Probabilities

The quantification of how likely an event is to happen, expressed as a number ranging from 0 to 1, with 0 meaning it cannot occur and 1 meaning it will definitely happen.

Double Counting

An error in calculation or analysis that occurs when the same data or transaction is counted more than once, leading to inaccuracies.

Joint Probability Distribution

A statistical measure that gives the probability of two events occurring together and at the same point in time.

Discrete Random Variables

Variables that assume a finite or countably infinite set of values, each with a certain probability.