Questions & Verified Answers
Quiz_________________?
1. Antigen recognition
2. Costimulation by Il 2 (or another cytokine) -
Answer✅
What are the two signals that a T cell requires to become activated?
Quiz_________________?
1. Chemotaxis
2. Adherence (opsonization)
3. Ingestion (pseudopods and phagosome)
4. Digestion (lysosomes fuse with phagosome)
5. Killing (oxidative burst - superoxide, hypochlorite and peroxide) -
Answer✅
What are the five stages in phagocytosis?
Quiz_________________?
1. Classical pathway
2. Alternative pathway
1
, 3. Lectin Pathway -
Answer✅
What are the three ways a complement system can become activated?
Quiz_________________?
1. Effector cell (carry out immune rxn
2. Memory cell -
Answer✅
What are the two types of cells that are created from clonal selection?
Quiz_________________?
1. Granzymes - induce apoptosis
2. Perforin - Makes a channel in cell membrane causing Lysis
3. Granulysin - Enters through channels created by perforin ausing lysis
4. Lymphotoxin - activates enzymes that destroy DNA
5. Gamma Interferon - Attracts phagocytic cells to area -
Answer✅
What 5 things do T cytotoxic release to eliminate an invader?
Quiz_________________?
1. Histamine - from mast cells, basophils and platelets *MOST IMPORTANT
VASODILATOR
2. Kinins - polypeptides formed in the blood (Bradykinin is an example)
3. Prostaglandins - from damaged cells, intensify 1 and 2
Also, leukotrienes and complement -
Answer✅
2
, What are the clotting proteins used during inflamation?
Quiz_________________?
1. Interleukin 1
2. Interleukin 2
3. Alpha and beta Interferons
4. Lymphotoxins
5. Perforin
6. Granzymes
7. Granulysin -
Answer✅
What are the 7 types of cytokines?
Quiz_________________?
1. Phagocytosis
2. Inflammation
3. Lysis -
Answer✅
What 3 results occur once the complement system has been activated?
Quiz_________________?
1. Recognize MHC antigens (self-recognition)
2. Lack reactivity to your own peptide fragments (self-tolerance) -
Answer✅
What 2 skills/traits are critical for T cells to have and are developed in the thymus?
3
, Quiz_________________?
1. Vasodilation and increased permeability
2. Emigration
3. Tissue repair -
Answer✅
What are the three steps of inflammation?
Quiz_________________?
1) Fixed macrophages
2) Storage of platelets
3) Hemopoiesis during fetal life -
Answer✅
What is in the red pulp (venous sinuses)?
Quiz_________________?
1) Neutralize the antigen
2) Immobolize the bacteria
3) Agglutination/precipitation of An
4) Activate complement
5) Enhance phagocytosis -
Answer✅
What are some of the actions of an Ab?
Quiz_________________?
10 days -
4