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IMMUNOLOGY EXAM 2 ST UDY
UAMS MLT- MLS | LATEST
UPDATE | GRADED A+
Question 1: Humoral: antigen receptor CORRECT ANSWER : B cell receptor: antibody
Question 2: Humoral: Contact w/ antigen
CORRECT ANSWER : Bind AGN w/ surface antibody
Question 3: Humoral: Events after binding w/ specific antigen CORRECT ANSWER : Clone w/: Memory cells, Plasma cells
Question 4: Humoral: Function of effector cell CORRECT ANSWER : Plasma cell: Produces antibodies
Question 5: Cell mediated: Antigen receptor
CORRECT ANSWER: T cell receptor (TCR)
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Question 6: Cell mediated: Contact w/ antigen
CORRECT ANSWER : APCs present AGN w/in MHC
molecules
Question 7: Cell mediated: Events after binding w/ specific antigen CORRECT ANSWER : Clone w/: Memory cells, Effector cell
Question 8: Cell mediated: Function of effector cell
CORRECT ANSWER : Th-Produces cytokines, Tc-Kills
altered cells
Question 9: Origin of B cells
CORRECT ANSWER : Hematopoietic stem cells
Question 10: Where are B cells made?
CORRECT ANSWER : Bone marrow
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Question 11: What kind of lymphopoiesis does the B cells
have?
CORRECT ANSWER : antigen-independent
lymphopoiesis
Question 12: With the maturation of lymphocytes, what
are the 3 processes?
CORRECT ANSWER : Proliferation, Expression,
Selection
Question 13: What does Antigen-independent
lymphopoiesis mean?
CORRECT ANSWER : It does not need an antigen to
activate or replicate
Question 14: What % of peripheral blood lymphocytes
are B cells?
CORRECT ANSWER : 10-15% of peripheral blood
lymphocytes
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Question 15: B cell CD marker CD19
CORRECT ANSWER : Signaling to regulate B cell
development & activation
Question 16: B cell CD marker CD20
CORRECT ANSWER : Thought to be involved in B cell
activation
Question 17: B cell CD marker CD21
CORRECT ANSWER : Receptor for complement
breakdown component
Question 18: B cell CD marker CD25
CORRECT ANSWER : Found on activated T & B cells;
receptor for interleukin-2 (IL-2); it is a growth factor made by T cells