NU 545 Unit 1 Test Bank Questions and Answers- University of South Alabama
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Course
NU 545
Institution
NU 545
NU 545 Unit 1 Test Bank Questions and Answers- University of South Alabama/NU 545 Unit 1 Test Bank Questions and Answers- University of South Alabama/NU 545 Unit 1 Test Bank Questions and Answers- University of South Alabama/NU 545 Unit 1 Test Bank Questions and Answers- University of South Alabama...
NU 545 Unit 1 Test Bank Questions and Answers- University of South Alabama
,NU 545 Unit 1 Test Bank Questions and Answers- University of South Alabama
c. Endothelial cell expansion
1. Which action is a purpose of the inflammatory process?
d. Emigration of neutrophils
a. To provide specific responses toward antigens
6. What process causes heat and redness to occur during the
b. To lyse cell membranes of microorganisms
inflammatory process?
c. To prevent infection of the injured tissue
a. Vasodilation of blood vessels
d. To create immunity against subsequent tissue injury
b. Platelet aggregation
c. Decreased capillary permeability
2. How do surfactant proteins A through D provide innate resistance?
d. Endothelial cell contraction
a. Initiate the complement cascade.
b. Promote phagocytosis.
7. What does activation of the classical pathway begin with?
c. Secrete mucus. a. Viruses
d. Synthesize lysosomes. b. Antigen-antibody complexes
c. Mast cells
3. Which secretion is a first line of defense against pathogen invasion that
d. Macrophages
involves antibacterial and antifungal fatty acids, as well as lactic acid? a.
Optic tears
8. What plasma protein system forms a fibrinous meshwork at an inflamed
b. Oral saliva
site?
c. Sweat gland perspiration
a. Complement
d. Sebaceous gland sebum
b. Coagulation
c. Kinin
4. Which bacterium grows in the intestines after prolonged antibiotic
d. Fibrinolysis
therapy?
a. Lactobacillus
9. Which component of the plasma protein system tags pathogenic
b. Candida albicans
microorganisms for destruction by neutrophils and macrophages?
c. Clostridium difficile
a. Complement cascade
d. Helicobacter pylori
b. Coagulation system
c. Kinin system
5. What causes the edema that occurs during the inflammatory process?
d. Immune system
a. Vasodilation of blood vessels
b. Increased capillary permeability
10. What is the vascular effect of histamine released from mast cells?
a. Platelet adhesion
b. Initiation of the clotting cascade
c. Vasodilation
d. Increased endothelial adhesiveness
11. What is an outcome of the complement cascade?
a. Activation of the clotting cascade
, NU 545 Unit 1 Test Bank Questions and Answers- University of South Alabama
b. Prevention of the spread of infection to adjacent tissues b. Activation
c. Inactivation of chemical mediators such as histamine c. Acceleration
d. Lysis of bacterial cell membranes d. Termination
12. What is the function of opsonization related to the complement 17. Frequently when H1 and H2 receptors are located on the same
cascade? cells, they act in what fashion? a. Synergistically
a. To tag pathogenic microorganisms for destruction by neutrophils and b. Additively
macrophages c. Antagonistically
d. Agonistically
b. To process pathogenic microorganisms so that activated lymphocytes
can be created for acquired immunity 18. Some older adults have impaired inflammation and wound healing
c. To destroy glycoprotein cell membranes of pathogenic microorganisms because of which problem?
d. To promote anaphylatoxic activity, resulting in mast cell degranulation a. Circulatory system cannot adequately perfuse tissues.
b. Complement and chemotaxis are deficient.
13. In the coagulation (clotting) cascade, the intrinsic and the extrinsic c. Underlying chronic illness(es) exists.
pathways converge at which factor? d. Number of mast cells is insufficient.
a. XII
b. VII 19. Which chemical mediator derived from mast cells retracts
c. X endothelial cells to increase vascular permeability and to cause
d. V leukocyte adhesion to endothelial cells? a. Chemokines
b. Prostaglandin E
14. Which chemical interacts among all plasma protein systems by c. Platelet-activating factor
degrading blood clots, activating complement, and activating the d. Bradykinin
Hageman factor?
a. Kallikrein 20. What is the inflammatory effect of nitric oxide (NO)?
b. Histamine a. Increases capillary permeability, and causes pain
c. Bradykinin b. Increases neutrophil chemotaxis and platelet aggregation
d. Plasmin c. Causes smooth muscle contraction and fever
d. Decreases mast cell function, and decreases platelet aggregation
15. How does the chemotactic factor affect the inflammatory process? 21. What is the correct sequence in phagocytosis?
a. By causing vasodilation around the inflamed area a. Engulfment, recognition, fusion, destruction
b. By stimulating smooth muscle contraction in the inflamed area b. Fusion, engulfment, recognition, destruction
c. By directing leukocytes to the inflamed area c. Recognition, engulfment, fusion, destruction
d. By producing edema around the inflamed area d. Engulfment, fusion, recognition, destruction
16. What effect does the process of histamine binding to the histamine-
2 (H2) receptor have on inflammation? a. Inhibition
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