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PH Immunology Exam Questions and Answers 100% Correct with complete solution
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PH Immunology Exam Questions and Answers 100% Correct with complete solution
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PH ImmunologyStudy online at https://quizlet.com/_fkw9g8
1. Amongst the following properties of the adaptive im- Contraction and
mune system, which one allows immune system to Homeostasis
respond to newly encountered antigens?
2. _____________ is an enhanced adaptive immune re- immune memory
sponse to repeated exposures to the same antigens.
3. Naïve T lymphocytes preferentially migrate to Peripheral lymph
node
4. Innate cell important in first line of defense against neutrophil
microbes is _________________
5. An overactive immune response to harmless anti- hypersensitivity
gens is called
6. Which of the following is a medical method to pro- vaccination
duce active immunity?
7. Immune response mediated by naive lymphocytes primary
that occurs on first exposure to antigen
8. A non-immune individual, who has not previous- naive individual
ly been exposed to a microbe's antigens is called
____________.
9. Which of the following is NOT a type of lymphocyte macrophage
10. Which of the following is NOT a type of immune effec- erythrocyte
tor cell
11. Select the correct toll-like receptor that is specific for TLR-3
viral nucleic acids.
12. Cells that eliminate microbes are the effector
13. Which of the following is NOT a type of Antigen pre- red cell
senting cell?
14.
, PH Immunology
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Amongst the following properties of the adaptive im- non-reactivity to
mune system, which one prevents injury to the host self
during responses to foreign antigens?
15. Inappropriate recognition of self-antigens leads to autoimmunity
16. Process of differentiation of lymphocytes specific for clonal selection
antigens is called_______________
17. If you ever have swelling in your extremities, the way false
that fluid gets back out into the blood stream is by the
circulatory system.
18. Which cell can be derived from both the lymphoid and dendritic cell
myeloid progenitor cells?
19. Helper T lymphocytes recognize antigens on the sur- antigen present-
faces of ______ cells and secrete cytokines, which ing cells
stimulate different mechanisms of immunity and in-
flammation.
20. Monocytes are a type of white blood cell that can - macrophages
differentiate into what two cells? [Choose 2] - dendritic cells
21. Spleen and lymph nodes are examples of primary false
lymphoid organs.
22. Antigen presenting cells capture antigens of mi- true
crobes that enter through epithelia, concentrate
these antigens in lymphoid organs, and display the
antigens for recognition by T cells.
23. Lymph node filter lymph of the pathogens and other true
debris and return the fluid back to the circulatory
system.
24. Which of the following lymphoid progenitor cell takes natural killer cells
part in the innate immunity ?
25. true
, PH Immunology
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The innate immune system eliminates microbes
mainly by inducing the acute inflammatory response
and by antiviral defense mechanisms.
26. Which tissue based phagocytic cell removes partic- macrophage
ulate antigens, kills intracellular pathogens with no
specificity?
27. The cells of the immune system start pluripotent stem
as_____________ cells
28. Which of the following cell plays a role in allergic basophils
reactions ?
29. Mucosa Associated Lymphoid Tissue (MALT) is an false
encapsulated tissue in mucosa of respiratory, gas-
trointestinal & genitourinary tract and makes up >
50% of the lymphoid tissue.
30. Which cell is most important for the defense against eosinophils
parasitic organisms
31. What is the third class of lymphocytes & why is it part NK cells, innate
of innate immunity? cell that does not
express antigen
receptors needed
for specificity
32. What is NOT a function of the lymphatic system? Maintain the blood
pressure and
maintain home-
ostasis
33. Secondary lymphoid tissues do NOT include: thymus
34. The three main components of acquired or adaptive antigens, T & B
immunity are ______________________. lymphocytes, and
antibodies
35. Lymph nodes are:
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