ATI RN
Lymphatic System Questions Questions 
            
        Question 1 of 5
Anaphylactic shock is an example of an
Correct Answer: C
Rationale: Anaphylactic shock is a severe allergic reaction, not autoimmune, immunodeficiency, or acquired autoimmune.
Question 2 of 5
The antibody isotype that provides immunity against helminths and is capable of sensitising mast cells resulting in the induction of an allergic response is
Correct Answer: B
Rationale: IgE targets helminths and triggers mast cell degranulation in allergies.
Question 3 of 5
Which of these statements correctly describe the function of CTLA-4
Correct Answer: B
Rationale: CTLA-4 on activated T cells binds B7 with higher affinity than CD28, inhibiting T cell activation.
Question 4 of 5
All of the following are true EXCEPT
Correct Answer: A
Rationale: Paratope is the antibody site, not epitope ; epitope , IgG bivalence , and heavy chain class are true.
Question 5 of 5
B cells that produce and release large amounts of antibodies are called:
Correct Answer: C
Rationale: Plasma cells secrete antibodies; memory cells persist, basophils release histamine.
