Textbook Question
More than one choice may apply.
Which of the following antibody capabilities causes a transfusion reaction with A or B erythrocyte antigens?
a. Neutralization
b. Precipitation
c. Complement fixation
d. Agglutination
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21. The Immune System
Introduction to Adaptive Immunity
Multiple Choice
Which of the following is a characteristic of a secondary immune response?
A
A secondary immune response produces as many antibodies as a primary immune response.
B
A secondary immune response is slower than a primary immune response.
C
A secondary immune response lasts longer than a primary immune response.
D
A secondary immune response is started by naive lymphocytes, while a primary immune response is initiated by memory cells.
Verified step by step guidance1
Understand the difference between primary and secondary immune responses. A primary immune response occurs when the immune system is first exposed to an antigen, while a secondary immune response occurs upon subsequent exposures.
Recognize that a secondary immune response is typically faster and more robust than a primary immune response due to the presence of memory cells that were generated during the primary response.
Identify that memory cells, which are long-lived, are responsible for the rapid and efficient response during a secondary immune response, leading to a quicker production of antibodies.
Note that a secondary immune response generally produces a higher quantity of antibodies and lasts longer than a primary immune response, providing more prolonged protection.
Evaluate the given options: The correct characteristic of a secondary immune response is that it lasts longer than a primary immune response, due to the activation of memory cells rather than naive lymphocytes.
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