Question

Which step is NOT involved in displaying an exogenous antigen?

		the cell ingests a pathogen
		the phagocytic vesicle fuses with a lysosome
		the lysosome fuses with a vesicle that contains a class I MCH molecule
		the MCH-antigen complex is inserted into the plasma membrane

______ cells live for many years and can mount a quick response to antigens while _______ cells produce antibodies.

		Helper T, Cytotoxic T
		Cytotoxic T, Helper T
		Plasma, Memory
		Memory, Plasma

		Fix Complement
		Cause Agglutination
		Lyse cells
		Fix Complement and Cause Agglutination
		Fix Complement, Cause Agglutination, and Lyse cells

QUESTION 4

1. Antigen-presenting cells include

   		Dendritic cells
   		Macrophages
   		B-cells
   		Both Dendritic cells and Macrophages
   		Dendritic cells, Macrophages, and B-cells

2. Which of the following is NOT an autoimmune disease?

   		AIDS
   		Type 1 Diabetes
   		Rheumatoid arthritis
   		Multiple sclerosis

3. If you have a Helper T cell count below 200 you likely have

   		HIV
   		AIDS
   		Systemic lupus erythematosus
   		Glomerulonephritis

4. Which antibody class is involved in allergies?

   		IgA
   		IgM
   		IgG
   		IgE

5. _____ present antigens to Helper T cells to help activate themselves.

   		Macrophages
   		B-Cells
   		Dendritic cells
   		Antibodies

6. What forms membrane attack complexes (MAC)?

   		Interferons
   		Pyrogens
   		Natural killer cells
   		Complement

7. A cytotoxic T is a _______ cell and a helper T is a _______ cell.

   		CD8, CD4
   		CD4, CD8
   		MCH I, MCH 2
   		MCH 2, MCH 1

Answer 1

1. the lysosome fuses with a vesicle that contains a class I MCH molecule IS FALSE

THERE IS MHC class 2 not MHC class 1

3. Fix Complement, Cause Agglutination, and Lyse cells2. MEMORY cells live for many years and can mount a quick response to antigens while PLASMA cells produce antibodies.

4. Antigen-presenting cells include  Dendritic cells and Macrophages , B -cells

5.  AIDS is NOT an autoimmune disease , IMMUNUCOMPROMISE STATE .

6.Helper T cell count below 200 you likely have AIDS

7. antibody class is involved in allergies Ig E

8 . Dendritic cells present antigens to Helper T cells to help activate themselves.

9.   COMPLEMENTS forms membrane attack complexes (MAC)

10. A cytotoxic T is a _CD8_ cell and a helper T is a _CD4_ cell.