A Wetpaint Site | TV Fandex 100

Ch. 15 Questions and Answers

1. B cells are located in the:
a. RBC
*b. Bone Marrow
c. Muscle Fibers
d. Thymus

2. ___________ is a substance that provokes an immune response in specific lymphocytes.
a. antigenicity
b. epitope
*c. antigen
d. haptens

3. Markers that display unique characteristics of self molecules and regulation of immune reactions, required for T lymphocytes is knowns as?
*a. Class I
b. Class II
c. B-cell receptors
d. T-cell receptors

4. In the bone marrow, lymphocytic stem cells differentiate into either T or B cells. Where do the B and T cells migrate?
*a. B cells stay in the bone marrow while T cells migrate to the Thymus
b. B cells mutate into memory cells and lay dormat in the frontal lobe while the T cells stay in the bone marrow
c. B and T cells both go to the Thymus where they opperate their specific functions
d. B cells Migrate to the Thymus and T cells stay in the bone marrow

5. Cell surface markers of one individual that are antigens to another of that same species is called:
*a. Alloantigens
b. Superantigens
c. Allergen
d. Autoantigens

6. Superantigens are:
a. cell surface markers of one individual that are antigens to another of that same species
b. antigent that provokes allergy
c. molecules on self tissues for which tolerance is inadequate
*d. potent T cell stimulators; provoke an overwhelming response

7. An antigen that provokes allergy is called a:
a. Alloantigens
b. Superantigens
*c. allergen
d. Autoantigens

8. An autoantigen is:
*a. molecules on self tissues for which tolerance is inadequate
b. antigen that provokes allergy
c. Not antigenic unless atached to a larger carrier
d. provoke and overwhelming response

9. Which of these factors is not a major factor in adaptive or aquired immunity?
a. specificity
*b. chemotaxis
c. recognition
d. memory

10. The primary B-cell receptor is
*a. IgD
b. IgA
c. IgE
d. IgG

11. In humans, b cells mature in the ------------, T cells mature in the -------------?
a. GALT, liver
b. bursa, thymus
*c. bone marrow, thymus
d. lymph nodes, spleen

12. Which type of cell actually secretes antibodies?
a. T cell
b. macrophage
* c. plasma cell
d. monocyte

lbrannin	Latest page update: made by lbrannin , Apr 13 2009, 2:37 PM EDT (about this update About This Update Q&A - lbrannin 85 words added view changes - complete history)
	Keyword tags: None More Info: links to this page

Threads for this page

Post a new thread

There are no threads for this page. Be the first to start a new thread.