How many degrees does the mercury thermometer show?

Mercury thermometer (mercury tube is cylindrical) should be disinfected with 75% alcohol before use. After disinfection, hold the upper end of the thermometer with your fingers and shake it downward (to the mercury ball side) to lower the mercury column below 35℃. Then put the thermometer under the patient's tongue and take it out after the lips are closed for about 3 minutes. After taking it out, tilt one end of the mercury ball slightly downward to avoid vibration, keep the triangular prism in sight, and rotate it back and forth slightly to make the mercury column clearly visible and read the readings.

In daily life, when people are sick and have a fever, they will use a thermometer to measure their temperature. Mercury thermometer is a widely used thermometer.

Details 0 1 Sterilize the thermometer with 75% alcohol first, then hold the upper end of the thermometer with your fingers and swing it downward (to the mercury ball side) to make the mercury column drop below 35℃.

Put the thermometer in your mouth or under your armpit, close your mouth or under your armpit for about 5 minutes and then take it out.

Read the data according to the scale actually displayed by mercury. There are ten cells between every two numbers, each cell represents 0. 1 degree, and the figure is 37.8 degrees.

Wipe with alcohol after using the mercury thermometer. On the one hand, it can be disinfected. On the other hand, alcohol is volatile, which can reduce the mercury column and then put it in plastic packaging for preservation.