Chapter 3 - Inflammation and Repair Flashcards
Which of the following is the correct sequence of typical inflammatory reaction?
A. Recognition - Removal - Regulation - Recruitment - Repair
B. Recruitment - Recognition - Removal - Regulation - Repair
C. Recognition - Recruitment - Removal - Regulation - Repair
D. Recruitment - Recognition - Removal - Repair- Regulation
C. Recognition - Recruitment - Removal - Regulation - Repair
All of the following are true about acute inflammation EXCEPT:
A. Self-limited
B. Short duration (several hours to days)
C. Emigration of predominant macrophages
D. Characterized by edema
C. Emigration of predominant macrophages
Which of the cardinal signs of inflammation is mostly associated with pain?
A. Rubor B. Tumor C. Calor D. Dolor E. Functio laesa
D. Dolor
Rubor = Redness Tumor = Swelling Calor = Heat Dolor = Pain Functio laesa = loss of function
Which of the following is the most common cause of inflammation?
A. Tissue necrosis B. Infections C. Foreign bodies D. Hypersensitivity reactions D. Immune reactions
B. Infections
Which of the following is the best-defined cellular receptor, which activate production of molecules involved in inflammation?
A. Plasma membrane receptors
B. Endosomes
C. Cytosol receptors
D. Toll-like receptors
D. Toll-like receptors
Which of the following induces IL-1 production?
A. Phagosome B. Lysosome C. Inflammasome D. Endosome E. Phagolysosome
C. Inflammasome
All of the following correctly describes an exudate EXCEPT:
A. Intravascular fluid
B. High protein concentration
C. Result of increased small vessel permeability
D. An example is pus (rich in leukocytes, debris, microbes)
A. Intravascular fluid
All of the following correctly describes an transudate EXCEPT:
A. Low protein B. No/little cellular material C. High specific gravity D. Ultrafiltrate of blood plasma E. Result of increased hydrostatic pressure
C. High specific gravity
All of the following are true about contraction/retraction of endothelial cells EXCEPT:
A. Induced by histamine
B. Long-lived (hours to days)
C. Results in opening of inter-endothelial gaps
D. Most common mechanism of vascular leakage
B. Long-lived (hours to days)
All of the following are true about endothelial injury EXCEPT:
A. Caused by thermal burns, some microbial toxins
B. Results in endothelial cell atrophy and attachment
C. Neutrophil adheres to endothelium
D. Leakage starts immediately after injury
B. Results in endothelial cell atrophy and attachment
All of the following are involved in responses of lymphatic vessels and lymph nodes EXCEPT:
A. Lymph flow is increased; increased permeability
B. Proliferation of lymphatic vessels
C. Inflammation of vessels (lymphadenitis) and nodes (lymphangitis)
D. Red streaks near skin wound indicates sign of bacterial infection
C. Inflammation of vessels (lymphadenitis) and nodes (lymphangitis)
These are major family of proteins involved in WBC adhesion and migration
A. Selectin and integrin
B. Selectin and opsin
C. Secretin and relaxin
D. Secretin and integrin
A. Selectin and integrin
Selectin - mediates initial rolling mechanism
L-selectin (leukocytes)
E-selectin (endothelium)
P-selectin (platelets)
Integrin - mediates firm adhesion
This is the most potent bactericidal system of neutrophils
A. Phagocyte oxidase
B. H2O2-MPO-halide
C. Hydroxyl radical
D. Superoxide dismutase
B. H2O2-MPO-halide
Which of the following reduces oxygen to superoxide?
A. Phagocyte oxidase
B. Superoxide dismutase
C. Catalase
D. Glutathione peroxidase
A. Phagocyte oxidase or NADPH oxidase
Which of the following types of nitric oxide is involved in microbial killing?
A. eNOS
B. nNOS
C. iNOS
D. pNOS
C. iNOS
Which of the following are considered as major phagocytes?
A. Monocytes and neutrophils
B. Neutrophils and macrophages
C. Macrophages and eosinophils
D. Mast cells and eosinophils
B. Neutrophils and macrophages
Leukocyte migration (diapedesis) occurs mainly in which of the following?
A. Arteries
B. Arterioles
C. Veins
D. Postcapillary venules
D. Postcapillary venules
Leukotrienes are produced from which of the following cells?
A. Mast cells B. Basophils C. Platelets D. Endothelial cells E. Plasma
A. Mast cells
The richest source of histamines are _________
A. Eosinophils B. Basophils C. Mast cells D. Endothelial cells E. Dendritic cells
C. Mast cells
TNF belong to which of the following groups?
A. Vasoactive amines B. AA metabolites C. Cytokines D. Kinins E. Neuropeptides
C. Cytokines
All of the following cytokines are involved in acute inflammation EXCEPT:
A. TNF
B. IL1
C. IL12
D. IL17
C. IL12
Acute: TNF, IL-1, IL-6, IL-17
Chronic: IL-12, IFN-y. IL17
This is a collection of plasma proteins that function mainly in host defense against microbes and in pathologic inflammatory reactions.
A. Cytokines B. Chemokines C. Complement system D. Prostaglandins E. Vasoactive amines
C. Complement system