A patient is admitted to the medical unit with a diagnosis of severe asthma. The physician has ordered peak flow monitoring. The nurse knows that this type of monitoring measures which of the following?
A) Oxygen saturation in the blood
B) Highest airflow during a forced expiration
C) Inspiratory reserve volume
D) Tidal volume
Ans: B
Feedback: Peak flow monitoring indicates the highest airflow during a forced expiration. A pulse oximetry shows what the oxygen saturation in the blood is currently. Inspiratory reserve volume is the maximum volume of air that can be inhaled after a normal inhalation. Tidal volume indicates the volume of air inhaled and exhaled with each breath.
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