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ACBS MIC 419 Exam 1 questions well answered graded A+
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ACBS MIC 419 Exam 1 questions well answered graded A+
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ACBS MIC 419 Exam 1 questions wellanswered graded A+
Which of the following is not a mechanism associated with the skin?
a. Keratinocytes
b. Epidermis
c. Epithelial Cells
d. Dermis - correct answer ✔✔c. Epithelial Cells
Epithelia Surfaces provide the first line of defense against infection by the use of several types of
mechanisms. One of the chemical mechanisms used by epithelia is:
a. Joining of the epithelia cells by tight junctions
b. Secretion of anitmicrobial peptides by epithelial cells
c. Production of mucus, tears,or saliva in the nose, eyes, and oral cavity.
d. Movement of mucus by cilia
e. Peristalsis in the gastrointestinal tract - correct answer ✔✔b. Secretion of anitmicrobial peptides by
epithelial cells
Goblet cells (a part of the mucous membrane) produce_______ in response to cytokine signals:
a. Neutrophils
b. Keratinocytes
c. Macrophages
d. Mucous - correct answer ✔✔d. Mucous
, Which of the following is not considered part of the activated innate response? (AKA second line of
defense)
a. Inflammation
b. Mucous membrane secretions
c. Phagocyte migration
d. Vasodilation - correct answer ✔✔b. Mucous membrane secretions
Where do complement proteins come from? They are secreted from...
a. Liver
b. Bone Marrow
c. Lymph nodes
d. Epithelial cells - correct answer ✔✔a. Liver
In the Classical Pathway, what two proteases cleave C2 and C4 into C2a, C2b, C4a and C4b?
a. C1r and C1s
b. C1q and C1r
c. C3b and C4a
d. C1s and C3b - correct answer ✔✔a. C1r and C1s
Which is the most active anaphylatoxin?
a. C5a
b. C2a
c. C4a
d. C3a - correct answer ✔✔a. C5a
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