Question

in which of the following phases of quality assurance are instruments maintained and calibrated? preanalytical phase analytical phase midanalytical phase postanalytical phase

Explanation:

In quality assurance in medical - related analysis, instrument maintenance and calibration occur before the actual analysis starts. The preanalytical phase involves activities such as instrument preparation, which includes maintenance and calibration to ensure accurate results during the analytical phase.

Answer:

Preanalytical phase