A Patient, Age 22, Is Admitted with Acute Asthma

question 19

Multiple Choice

A patient, age 22, is admitted with acute asthma. The patient shows a pulse oximetry level of SaO? of 82%. How should the nurse interpret this?

• A) Only 82% of the red blood cells are able to use oxygen.
• B) There is only 82% of oxygen bound to the hemoglobin compared with the amount available.
• C) Eighteen percent of oxygen is not dissolved in the blood.
• D) The muscular respiratory effort is only 18% effective.

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