NU 545-805 Unit 1 Test Bank Questions

CHAPTER 7
1. Which action is a purpose of the inflammatory process?
a. To provide specific responses toward antigens
b. To lyse cell membranes of microorganisms
c. To prevent infection of the injured tissue
d. To create immunity against subsequent tissue injury
2. How do surfactant proteins A through D provide innate resistance?
a. Initiate the complement cascade.
b. Promote phagocytosis.
c. Secrete mucus.
d. Synthesize lysosomes.
3. Which secretion is a first line of defense against pathogen invasion that
involves antibacterial and antifungal fatty acids, as well as lactic acid?
a. Optic tears
b. Oralsaliva
c. Sweat gland perspiration
d. Sebaceous gland sebum
4. Which bacterium growsin the intestines after prolonged antibiotic
therapy?
a. Lactobacillus
b. Candida albicans
c. Clostridium difficile
d. Helicobacter pylori
5. What causesthe edema that occurs during the inflammatory process?
a. Vasodilation of blood vessels
b. Increased capillary permeability
c. Endothelial cell expansion
d. Emigration of neutrophils
6.
7.
8. What process causes heat and rednessto occur during the inflammatory
process?
a. Vasodilation of blood vessels
b. Platelet aggregation
c. Decreased capillary permeability
d. Endothelial cell contraction
9. What does activation of the classical pathway begin with?
a. Viruses
b. Antigen-antibody complexes
c. Mast cells
d. Macrophages
10. What plasma protein system forms a fibrinous meshwork at an
inflamedsite?
a. Complement
b. Coagulation
c. Kinin
d. Fibrinolysis
11. Which component of the plasma protein system tags
pathogenic microorganisms for destruction by neutrophils and
macrophages?a. Complement cascade
b. Coagulation system
c. Kinin system
d. Immune system
12. What isthe vascular effect of histamine released from mast cells?
a. Platelet adhesion
b. Initiation of the clotting cascade
c. Vasodilation
d. Increased endothelial adhesiveness
13. What is an outcome of the complement cascade?
a. Activation of the clotting cascade
b. Prevention of the spread of infection to adjacent tissues
c. Inactivation of chemical mediatorssuch as histamine
d. Lysis of bacterial cell membranes
14. What isthe function of opsonization related to the complement
cascade?
a. To tag pathogenic microorganisms for destruction by neutrophils and
macrophages
b. To process pathogenic microorganisms so that activated lymphocytes
can be created for acquired immunity
c. To destroy glycoprotein cell membranes of pathogenic microorganisms
d. To promote anaphylatoxic activity, resulting in mast cell degranulation
15. In the coagulation (clotting) cascade, the intrinsic and the extrinsic
pathways converge at which factor?
a. XII
b. VII
c. X
d. V
16. Which chemical interacts among all plasma protein systems by
degrading blood clots, activating complement, and activating the Hageman
factor?
a. Kallikrein
b. Histamine
c. Bradykinin
d. Plasmin
17. How doesthe chemotactic factor affect the inflammatory process?
a. By causing vasodilation around the inflamed area
b. By stimulating smooth muscle contraction in the inflamed area
c. By directing leukocytes to the inflamed area
d. By producing edema around the inflamed area