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Question

Which of these are used to diagnose allergies?


A

X-Ray

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B

Blood Test

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C

Chemotherapy

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D

MRI

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Solution

The correct option is B

Blood Test


The main types of allergy tests are skin tests, scratch tests and blood tests. In scratch or skin test, the doctor or nurse will put a tiny bit of allergen (like pollen or food) on the skin, then prick the outer layer of skin or make a small scratch on the skin. Whereas blood tests measure the concentration of IgE antibodies for specific food. IgE, short for “immunoglobulin E,” is the antibody that triggers food allergy symptoms.


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