Practice test 2-2 CORRECTED

Practice test 2-2 CORRECTED - Name_ Test Number_ Multiple...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Name__________________________ Test Number______ Multiple Choice questions 1-35. 1. Which of the following complement proteins is responsible for opsonizing bacteria? a. C1/C4/C2 b. C3 c. MAC complex d. C3b e. C5b 2. Antigen presenting cells take up antigen and migrate a. Through the blood to the bone marrow to activate stem cell formation. b. Out of the tissue into the lymphatic system and lymph nodes. c. To the thymus to educate T cells. d. To the brain for processing. e. None of the above. 3. Which of the following roles is NOT the correct association? a. IgG-passive immunity b. IgG-complement fixation c. IgM- complement fixation d. IgE-ADCC e. IgE-complement fixation 4. The innate immune system is compromised when a. Chemicals present in body fluids destroy bacterial cell wall. b. Bacteria are opsonized and phagocytosized by PMNs. c. Antiviral proteins are induced by interferon. d. Membrane attack complexes punch holes in gram - cell walls. e. Commensal bacteria are eliminated by broad-spectrum antibiotics. 5. Which of the following would induce the strongest acquired immune response? a. A polysaccharide with repeating motifs binding to a B cell. b. A self protein presented on a liver cell. c. A killed whole virus. d. An attenuated virus. e. Human gamma globulin injections. 6. In the course of HIV infection all EXCEPT the following occur: a. A person will seroconvert during the ARS period. b. Th cells are destroyed by the virus which cripple the acquired immune response. c. Disease occurs when T H cell count drops below 200/ μ l. d. Asymptomatic period occurs when no virus is being produced. e. Western blot technology detects viral proteins in serum. 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
7. A 17 year old girl is admitted to the ER. She has a number of blood tests run and they find mainly IgM with a small amount of IgG antibodies specific for a blood borne pathogen. What does this mean? a. She has recently been infected with the pathogen. b. She has seroconverted. c. She is in the initial stages of a primary immune response. d. The next time she gets this infection she will make more IgG than IgM. e. All of the above. 8. Which of the following would be true if you were type AB blood type? a. You would have anti-A antibodies in your blood. b. You would have anti-B antibodies in your blood. c. You could give blood to a person with Type A blood. d. You could receive a liver from a person with the O blood type. e. Both a and b. 9. A reaction to urushirol in poison ivy is due to a. Cross linking of IgE on mast cells, triggering mediators of inflammation. b. Granulocytes diapedese to site of allergen. c. Activation of T cells and macrophages. d. Proteins in the oil binding to self proteins initiating an immune response.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This homework help was uploaded on 03/19/2008 for the course MCRO 255 taught by Professor Cramer during the Spring '08 term at UNC.

Page1 / 8

Practice test 2-2 CORRECTED - Name_ Test Number_ Multiple...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online