ATI RN
Chapter 15 The Lymphatic System and Immunity Review Questions Questions
Question 1 of 5
Complete the following sentence. The most common antibody isotype found in serum, with roles in opsonisation, complement activation and ADCC as well as neonatal immunity is.....
Correct Answer: C
Rationale: IgG, the most abundant in serum, performs opsonization, complement activation, ADCC, and crosses the placenta for neonatal immunity.
Question 2 of 5
All of the following are true concerning IgE molecules, EXCEPT which one?
Correct Answer: D
Rationale: IgE aids parasites , is rare , drives allergies , and releases histamine ; it doesn't cross placenta or fix complement .
Question 3 of 5
Which substances will not stimulate an immune response unless they are bound to a larger molecule?
Correct Answer: C
Rationale: Haptens need carriers to be immunogenic; antigens and viruses don't, miligen is fictitious.
Question 4 of 5
Which portion of antibody structure is occupied by variable chains?
Correct Answer: C
Rationale: Variable regions are at the upper (antigen-binding) end ; not lower or middle .
Question 5 of 5
Which of the following cells are involved in Innate Immunity?
Correct Answer: D
Rationale: All (A, B, C) are innate immunity cells; thus, D is correct.