Pet dander is an example of _____ allergen.
Important Questions on Allergy
Given below are two statements:
Statement I: Autoimmune disorder is a condition where body defense mechanism recognises its own cells as foreign bodies.
Statement II: Rheumatoid arthritis is a condition where body does not attack self cells.
In the light of the above statements, choose the most appropriate answer from the options given below:
Mention one application for each of the following:
Antihistamine
(i) The ability to differentiate pathogens or foreign molecules from self cells increases.
(ii) Body attacks self cells.
(iii) More antibodies are produced in the body.
(iv) The ability to differentiate pathogens or foreign molecules from self cells is lost.
Read the following statements:
(i) Drugs like adrenaline, antihistamines and steroids reduce the symptoms of allergy.
(ii) In autoimmune diseases, the immune system has the ability to distinguish the foreign organisms from the self.
(iii) The receptors present on B–lymphocytes that recognise discrete sites on the antigen are the antibodies.
(iv) Interferons are the group of proteins produced by viral infected cells.
Which of the above statements are correct?
