1. Which primary characteristic is unique for the immune response?
a. The immune response is similar each time it is activated.
b. The immune response is specific to the antigen that initiates it.
c. The response to a specific pathogen is short term.
d. The response is innate, rather than acquired.
2. In which structure does B lymphocytes mature and undergo changes that commit them to
becoming B cells?
a. Thymus gland
b. Regional lymph nodes
c. Bone marrow
d. Spleen
3. What is the term for the process during which lymphoid stem cells migrate and change into
either immunocompetent T cells or immunocompetent B cells?
a. Clonal diversity
b. Clonal differentiation
c. Clonal selection
d. Clonal competence
4. Which type of immunity is produced by an individual after either natural exposure to the
antigen or after immunization against the antigen?
a. Passive-acquired immunity
b. Active-acquired immunity
c. Passive-innate immunity
d. Active-innate immunity