Lila asked in Science & MathematicsBiology · 1 month ago

Can you help me with this biology questions?

1- Which of the following is/are an example of a type I hypersensitivity reaction? To be marked correct, you'll need to select all applicable statements, as there may be more than one correct answer.

A- Atopic eczema

B- Anaphylactic shock following injection of bee venom

C- Atopic asthma after exposure to pet dander

D- Serum sickness

2- Which of the following is a mechanism through which a type II hypersensitivity cytotoxic reaction works? To be marked correct, you'll need to select all applicable statements, as there may be more than one correct answer. 

A- After activation by an antigen-antibody complex, complement proteins opsonize the target cell.

B- Antibody binding to host cell receptor triggers over-activation of receptor.

C- After activation by an antigen-antibody complex, complement proteins form a membrane attack complex to lyse target cells.

D- After activation by an antigen-antibody complex, leukocytes are recruited to trigger target cell lysis

THANK YOU!

There are no answers yet.
Be the first to answer this question.