Quiz - Chapter 6
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1.
Which of the following is NOT a natural barrier?
A.
Physical
B.
Mechanical
C.
Biochemical
D.
Resistance
2.
Which of the following best describes a physical barrier?
A.
Antibacterial fatty acids
B.
Lysozymes in tears
C.
Epithelial cells
D.
Earwax
3.
Which of the following statements is TRUE regarding the inflammatory response?
A.
It is the third line of defense.
B.
It relies on cellular components only.
C.
It is nonspecific.
D.
It occurs at healthy tissue.
4.
You are evaluating a person who has a leg injury. Which of the following would NOT be an observable characteristic of vascular injury and inflammation?
A.
Redness
B.
Coolness to the touch
C.
Increased swelling
D.
Pain
5.
Which of the following is NOT one of the three pathways to activate the complement system?
A.
Antigen-antibody complexes
B.
Classical pathway
C.
Lectin pathway
D.
Alternative pathway
6.
Which of the following complement factors causes pores to form in the bacterial membrane?
A.
C1
B.
C4
C.
C5b-C9
D.
C2
7.
Which of the following complement factors is considered an anaphylatoxin?
A.
C3a
B.
C1
C.
C7
D.
C9
8.
Which of the following terms describes a biochemical substance that attracts leukocytes to the site of inflammation?
A.
Carboxypeptidase
B.
Chemotactic factor
C.
Fibrin
D.
Opsonin
9.
Which of the following is NOT a function of the clotting system at the site of injury or inflammation?
A.
Prevents spread of infection to adjacent tissues
B.
Keeps microorganisms at site of greatest inflammatory cell activity
C.
Forms constant bleeding to flush out the microorganism
D.
Provides a framework for future repair and healing
10.
Which receptor is found expressed on macrophages and facilitates recognition and phagocytosis of bacterial pathogens?
A.
Complement receptors
B.
Scavenger receptors
C.
Toll-like receptors
D.
Pattern recognition receptors
11.
Which of the following statements regarding mast cells is TRUE?
A.
Histamine causes vasoconstriction.
B.
Mast cells are found only in blood vessels.
C.
Snake bites, bee venoms, and toxins may cause activation.
D.
Mast cells are not involved in allergic reactions.
12.
Which of the following terms describes an acidic sulfur-containing lipid that produces effects similar to histamine?
A.
Leukotriene
B.
Prostaglandin
C.
Adhesion molecule
D.
Phagocyte
13.
Which of the following is a TRUE statement regarding neutrophils?
A.
They are agranular.
B.
Neutrophils are the predominant phagocytes in the early inflammatory site.
C.
They are the largest blood cells.
D.
Neutrophils enter after lymphocytes and macrophages.
14.
Which of the following is TRUE regarding the difference between neutrophils and macrophages?
A.
Neutrophils arrive at the site of inflammation after macrophages.
B.
Macrophages survive and divide at the site of inflammation and neutrophils do not.
C.
Neutrophils and macrophages are attracted by the same factors.
D.
Neutrophils and neutrophils activate the adaptive immune system.
15.
Which of the following are biochemical messengers produced by macrophages and lymphocytes in their response to a bacterial pathogen?
A.
Interleukins
B.
Interferons
C.
Chemokines
D.
Tumor necrosis factor
16.
Which is not a systemic effect of inflammation?
A.
Abscess formation
B.
Fever
C.
Leukocytosis
D.
Acute-phase reactants
17.
Chronic inflammation is characterized by:
A.
a lack of giant cells.
B.
being free of exudate.
C.
a dense infiltrate of lymphocytes and macrophages.
D.
inflammation that lasts less than 2 weeks.
Quiz - Chapter 6