ATI RN
Chapter 15 The Lymphatic System and Immunity Review Questions Questions
Question 1 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 2 of 5
An immunoglobulin is a
Correct Answer: C
Rationale: Immunoglobulins are glycoproteins (proteins with carbohydrate attachments), critical for immune recognition.
Question 3 of 5
A term generally used to describe all white blood cells is:
Correct Answer: D
Rationale: Leukocytes is the general term for all white blood cells, unlike specific progenitors or cell types.
Question 4 of 5
When a B cell encounters antigen to which it is targeted, it divides rapidly and produces
Correct Answer: B
Rationale: B cells differentiate into plasma cells to produce antibodies; not antigens or T cells .
Question 5 of 5
A single antigen molecule may be composed of many individual ____________.
Correct Answer: D
Rationale: Antigens have multiple epitopes ; receptors (A, B) bind them.