Question

which is used in a technique to determine respiratory volumes?
o electroencephalogram
o sphygmomanometer
o spirometer
o echocardiogram
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Explanation:

• An electroencephalogram (EEG) records electrical activity of the brain.
• A sphygmomanometer measures blood pressure.
• A spirometer is specifically designed to measure respiratory volumes (e.g., tidal volume, vital capacity).
• An echocardiogram (ECG) is used to assess the heart's structure and function.

Answer:

spirometer