Examlex
What may occur if an outdated evacuated tube is used to collect the blood specimen?
Impedance
A measurement of the resistance to the flow of alternating current (AC), encompassing both resistance and reactance.
Ohmmeter
An instrument for measuring electrical resistance, which is a fundamental property that quantifies how strongly a material opposes the flow of electric current.
Ammeter
An instrument used to measure the current in a circuit, usually in amperes.
Voltmeter
An instrument used for measuring electric potential difference between two points in an electric circuit.
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