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BIOS 255 Final Exam 2 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct
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BIOS 255 Final Exam 2 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct
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BIOS 255 Final Exam 2By ExamNavigator
, BIOS 255 Final Exam 2
1. What are the 2 type of immune response?
Answer: Innate Immunity and AdaptiveImmunity
2. Which lines of defense make up innate immunity?
Answer: 1st and 2nd line of defense
3. Innate Immunity characteristics
Answer:
Non-specific resistance
Present at birth
1st & 2nd line of defense
4. What is the 1st line of defense?
Answer: Skin & Mucous Membranes
5. What is the 2nd line of defense?
Answer: Internal Defenses
6. The 1st line of defense is made up of what 2 types?
Answer: Mechanical Defense &Chemical Defense
7. What are the mechanical defenses in innate immunity
Answer: skinmucous membranes
tears saliva mucus cillia epiglottis urine defecatingvomiting
8. What are the chemical defenses in innate immunity
Answer:
sebumlysozyme
gastric juices
9. What makes up the internal defenses of innate immunity
Answer:
antimicrobial proteins
natural killer cells
Fever Phagocytes Inflammation
Complement system
Interferons (IFN)
10. steps of phagocytosis
Answer:
chemotaxis
, Adherence
Ingestion
Digestionkilling
11. What happens in inflammation?
Answer:
redness/pain/heat/swelling
Vasodilation & increase permeability of blood vessels
phagocytes migrate from blood to injuryPRISH
12. What do interferons do?
Answer: protect the uninfected host cell from viral infection
13. adaptive immunity definition
Answer: ability of body to defend itself against specificinvading agents
14. adaptive immunity characteristics
Answer: Specific immunityhas both specificity and memory
2 types
15. what are the 2 types of adaptive immunity
Answer: cell mediated and antibody mediated
16. What is Cell Mediated Immunity
Answer: Specific immunity that only uses T cells
17. antibody-mediated immunity
Answer: produces antibody B cells in response to anti-gen. Either works alone or with Helper
T cells (humoral)
18. Immunogenicity
Answer: ability to provoke immune response
19. Reactivity
Answer: ability of antigen to react specifically to antibody it provokes
20. What are epitopes?
Answer: receptors on B & T cellsBinding site
21. B Cells in antigen processing
Answer: Recognize and bind to antigens in lymph,interstitial fluid and blood
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