ATI RN
ATI RN Test Bank
            Immune System Exam Questions Questions 
            
        Question 1 of 5
What is the role of lymph nodes in the immune system?
Correct Answer: C
Rationale: Lymph nodes filter lymph and activate immune responses.
Question 2 of 5
Identify the three specific tonsils.
Correct Answer: B
Rationale: The tonsils are lingual, palatine, and pharyngeal.
Question 3 of 5
Identify the class of antibody that is formed first in a new infection.
Correct Answer: D
Rationale: IgM is the first antibody produced in a primary response.
Question 4 of 5
A special feature of adaptive immunity is:
Correct Answer: B
Rationale: Adaptive immunity uniquely distinguishes self from non-self.
Question 5 of 5
The class I major histocompatibility complex (MHC)
Correct Answer: D
Rationale: MHC I has HLA-A, B, C loci; it's on nucleated cells , chromosome 6 , and highly polymorphic .
