Anaphylatoxins Stimulate a Localized Inflammatory Response, Which Includes Mast-Cell Degranulation
Anaphylatoxins stimulate a localized inflammatory response, which includes mast-cell degranulation, vasodilation, and recruitment of lymphocytes and phagocytic cells.What is the purpose of this localized immune response?
A) Mast cells contain histamine, which triggers vasodilation, which will increase blood flow to an infected area so that higher numbers of white blood cells will be recruited.
B) Serum proteins contain specific and nonspecific immune effector molecules to bind up and neutralize the invading pathogen and any toxins.
C) Vasodilation locally increases the temperate of an infected area so that bacterial proteins become denatured.
D) Vasodilation increases tenderness at the site of infection and causes edema (swelling) to that the host is careful not to overuse or tax the infected area.
E) All of the answers are correct.
Correct Answer:
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Q5: Viruses such as Epstein-Barr virus, cytomegalovirus, and
Q6: By which mechanisms can bacterial pathogens evade
Q7: Which pathogen would be LEAST affected by
Q8: Each of the following is a step
Q9: _ is/are known as an endotoxin.
A)C3a
B)Capsular proteins
C)Flagellar
Q11: Which of the following are anaphylatoxins?
A)C1 and
Q12: Parasitic infections include
A)protozoans.
B)protozoans and helminthes.
C)prions and viruses.
D)prions,
Q13: Sleeping sickness and Chagas's disease are caused
Q14: How do Plasmodium cells avoid immune clearance?
A)Antagonistic
Q15: Schistosomiasis is a debilitating and potentially fatal
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