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USAF Medical Service AFSC 4C0X1 – Mental Health Service Specialty Practice Test

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What device measures blood pressure?
Correct Answer:
Sphygmomanometer
Explanation:
Blood pressure is measured with a sphygmomanometer, a cuff-style instrument that can be manual or automated. In the manual method, you wrap the cuff around the upper arm, place a stethoscope over the brachial artery, and inflate the cuff to temporarily stop blood flow. As you slowly release the pressure, you listen for the Korotkoff sounds; the first sound indicates the systolic pressure, and the moment the sounds disappear marks the diastolic pressure. The reading is recorded in millimeters of mercury (mmHg). The stethoscope is used to hear the sounds, but the measuring device itself is the sphygmomanometer. Other tools like a thermometer or a pulse oximeter measure temperature or oxygen saturation, not blood pressure.

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