Certified Clinical Hemodialysis Technician (CCHT) Practice Exam 2025 - Free CCHT Practice Questions and Study Guide

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Venous Pressure meters are typically calibrated in which unit?

lb/in²

mm/Hg

Venous Pressure meters are typically calibrated in millimeters of mercury (mm/Hg). This unit is widely used in medical settings to measure blood pressures, including venous pressure, due to its historical significance and ease of understanding in clinical practice. The measurement in mm/Hg reflects the height of a column of mercury that the blood pressure would support, which provides a clear and direct indication of pressure levels within the body.

While other units like pounds per square inch (lb/in²), pascals (Pa), and kilopascals (kPa) are used in various scientific and engineering contexts, mm/Hg is specifically favored in the medical field for measuring blood pressures. This makes it essential for those working with dialysis and similar practices to be familiar with this unit as it relates directly to monitoring the patient's hemodynamic status.

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Pa

kPa

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