IMMUNOLOGY

MISCELLENOUS

VACCINATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is/are true of allergic reactions?
A
The first exposure to an allergen causes the symptoms
B
Allergens are treated as foreign antigens
C
Allergens cause B cells to clone into plasma cells
D
Plasma cells secrete antibodies to the specific allergen
Explanation: 

Detailed explanation-1: -Common allergic reactions, such as hay fever, certain types of asthma, and hives are linked to an antibody produced by the body called immunoglobulin E (IgE).

Detailed explanation-2: -Mast cells, basophils, and eosinophils are central effector cells in allergic inflammation, as well as in innate and adaptive immunity.

Detailed explanation-3: -An allergy blood test measures a substance called immunoglobulin E (IgE) in your blood. IgE is an antibody that your body makes. If you have allergies, you may have more IgE in your blood than normal. Allergies are a common, long-term condition that involves your immune system.

There is 1 question to complete.