Question

Why is it important that the thermometer not touch the sides or bottom of the test tube? 

          Why is it important that the thermometer not touch the sides or bottom of the test tube?

Added by James H.

Biology for AP Courses
Biology for AP Courses
Julianne Zedalis, John Eggebrecht
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Why is it important that the thermometer not touch the sides or bottom of the test tube?
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Transcript

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00:01 Hello students, in this question the doctor dips thermometer in a liquid, so it containing alcohol or specialized form of anything, so it dips in a liquid, so that means that what is happening is that there are intentions of the doctor, different intentions of the doctor to do this process.
00:23 The first intention is sanitization, so dipping thermometer in a liquid helps it to be sanitized and remove any potential contaminants or germs that may present on the surface, so it kills germs.
00:44 So hygienic measurement and it helps to avoid infections from patient to patient.
00:53 Now the second one is lubrication, so the liquid acts as a lubricant, so it makes it easier for the doctor to put it in a person's mouth, under the tongue or other appropriate location, so it helps the thermometer slide into any location inside the mouth without causing any discomfort to the patient...
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