ATI RN
Chapter 15 The Lymphatic System and Immunity Review Questions Questions
Question 1 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 2 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 3 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.
Question 4 of 5
An immunoglobulin is a
Correct Answer: C
Rationale: Immunoglobulins are glycoproteins (proteins with carbohydrate attachments), critical for immune recognition.
Question 5 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.