Class 12 Biology Human Health and Disease Allergies

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Define the following terms: $PAP$ smear and Allergens.

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Solution

(N/A) $PAP$ smear: It is a diagnostic test,also known as a Papanicolaou test,used to collect cells from the cervix to screen for cervical cancer.
Allergens: These are substances that trigger an exaggerated immune response in the body,leading to allergic reactions.

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Class 12

Biology Questions

Chapter

Human Health and Disease

Subtopic

Allergies

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Assertion : Mast cells in the human body release excessive amounts of inflammatory chemicals,which cause allergic reactions.
Reason : Allergens in the environment on reaching human body stimulate mast cells in certain individuals.

MediumAIIMS 2008

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