1. It is made of glass with a narrowing above the bulb so that the mercury column stay in position even when the instrument is move.

• A. Clinical Thermometer
• Clinical-thermometer

Clinical-thermometerA thermometer used to measure body temperature, especially a small glass thermometer designed with a narrowing above the bulb so that the mercury column stays in position when the instrument is removed from the body.

2. which instrument is a mercury - based unit that has a manual inflatable cuff attached by tubing to the unit that is calibrated in millimeter of mercury?

• C. B.P Apparatus Mercurial(Sphygmomanometer)
• Sphygmomanometer

Instrument for measuring blood pressure. It consists of an inflatable rubber cuff, which is wrapped around the upper arm and is connected to an apparatus that records pressure, usually in terms of the height of a column of mercury or on a dial (an aneroid manometer).

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