medium · NCLEX-RN risk-reduction

A nurse is zeroing a hemodynamic monitoring system. Why is zeroing the transducer at the level of the phlebostatic axis necessary?

1. To eliminate the influence of atmospheric pressure on the measurement.
2. To compensate for the client's high body temperature, for this client.
3. To ensure the heart rate on the monitor is accurate, for this client.
4. To prevent air from entering the arterial system.

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