Which of the following is not a reliable method while diagnosing a disease?
A
Using thermometer
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B
Blood tests
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C
Checking heartbeat using stethoscope
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D
Checking body temperature by touching through skin
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Solution
The correct option is D Checking body temperature by touching through skin Thermometer is an instrument used to measure the temperature of the person, checking the temperature using skin may lead to some human errors in diagnosis.