What is the duration of oxygen's effect?

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Multiple Choice

What is the duration of oxygen's effect?

Explanation:
Oxygen provides an immediate improvement in oxygenation only while it is being delivered. There is no stored reservoir of extra oxygen in the body, so once administration stops, the elevated dissolved oxygen and tissue oxygen tension rapidly revert to baseline. This tends to happen within a couple of minutes, making the duration of the effect less than 2 minutes. In practice, you maintain delivery to sustain the benefit and monitor the patient accordingly.

Oxygen provides an immediate improvement in oxygenation only while it is being delivered. There is no stored reservoir of extra oxygen in the body, so once administration stops, the elevated dissolved oxygen and tissue oxygen tension rapidly revert to baseline. This tends to happen within a couple of minutes, making the duration of the effect less than 2 minutes. In practice, you maintain delivery to sustain the benefit and monitor the patient accordingly.

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