Thermometer
Barometer
Sphygmomanometer
Lactometer
Answer is Right!
Answer is Wrong!
The correct answer is C. Sphygmomanometer.
A sphygmomanometer is a device used to measure blood pressure. It consists of an inflatable cuff, a manometer to measure pressure, and a stethoscope to listen to the sounds of blood flowing through the arteries.
A thermometer is a device used to measure temperature. It can be used to measure the temperature of air, water, or other objects.
A barometer is a device used to measure atmospheric pressure. It is used to predict weather conditions.
A lactometer is a device used to measure the density of milk. It is used to determine the quality of milk.