48. Which of the following statements is true about giant cells in inflammation?
Anonymous Quiz
0%
a) They are most commonly seen in suppurative inflammation,
0%
b) They have a weaker phagocytic capacity than macrophages.
70%
c) They are more commonly seen in granulomas than in chronic non-specific inflammation
30%
d) All of the above
0%
e) None of the above
7) Which of the following is the least important risk factor for development of thrombus?
Anonymous Quiz
82%
a) Smoking
0%
b) Antithrombin III deficiency
18%
c) Disseminated malignancy
0%
d) Prolonged rest in bed.
Which of the following factors participates in the formation of inflammatory fluid exudate?
Anonymous Quiz
73%
a) Increased vascular hydrostatic pressure
0%
b) Vasoconstriction
9%
c) Decreased osmotic pressure of the interstitial tissue
18%
d) All of the above
15) Heart failure cells are:
Anonymous Quiz
0%
a) Fibrocytes in myocardium
0%
b) Aschoji's giant cells
100%
c) Hcamosiderin laden macrophages in alveoli
0%
d) Hypertrophic myocardial fibers
40. Histologic sections of lung tissue from a 68-year-old female with congestive heart failure and progressive breathing problems reveal numerous hemosiderin- laden cells within the alveoli. These "heart failure cells" originate from alveolar
Anonymous Quiz
0%
a) Endothelial cells
0%
b) Eosinophils
10%
c) Lymphocytes
90%
d) Macrophages
0%
e) Pneumocytes
52. Which of the following is not a function of fibrin?
Anonymous Quiz
91%
a) Opsonization
0%
b) Sealing of bleeding vessels
0%
c) Facilitation of movement of inflammatory cells
9%
d) Localization of inflammatory fields
0%
e) Facilitation of movement of fibroblasts during repair
7. Vascular hyperemia:
Anonymous Quiz
55%
a) is caused by inflammatory mediators
0%
b) results in cyanosis
45%
c) results in oedema
0%
d) results in brown induration
42. The following statement is not true about retinoblastoma:
Anonymous Quiz
10%
a) An autosomal dominant inherited cancer syndrome
60%
b) Characterized by defects in DNA repair & genomic stability
30%
c) One defective allele of RB gene is inherited
0%
d) Patients also show increased risk of developing other cancer malignancies
62. What is the name of the phenomenon mediated by the selectin family?
Anonymous Quiz
0%
a) Chemotaxis
9%
b) Pavementing
0%
c) Emigration
91%
d) Rolling
6. In mechanism of metaplasia, the following is true:
Anonymous Quiz
10%
a) A neoplastic process that maintain the integrity of the basement membrane
10%
b) Results from change in the phenotype of an already differentiated cell type
50%
c) Results from reprogamming of stem cells known to exist in normal tissue
30%
d) Can occur physiological or pathological
19) The major factors predisposing to thrombogenesis include all of the following except:
Anonymous Quiz
18%
a) Altered blood flow
0%
b) Endothelial injury
82%
c) Pattern of blood flow
0%
d) Hypercoagulability of blood
9) Which of the following statement regarding disseminated intravascular coagulation (DIC) is FALSE?
Anonymous Quiz
0%
a) Multiple thrombi develop in the microcirculation
0%
b) Rapid consumption of platelets, prothrombin & fibrinogen occurs
67%
c) Bleeding diathesis is solely due to thrombocytopenia
33%
d) Fibronogen degradation products (FDPs) increase due to rapid fibrinolysis.
44. A common site for hamartoma:
Anonymous Quiz
54%
a) Lung
15%
b) Duodenum
23%
c) Breast
8%
d) Urinary bladder
15. In acute inflammation, which is the correct sequence of events with regard to vascular flow and caliber?
Anonymous Quiz
10%
a) Vasodilation, margination, stasis, vasoconstriction
0%
b) Vasoconstriction, stasis, margination, vasodilation
90%
d) Vasoconstriction, vasodilation, stasis, margination
0%
e) Vasodilation, vasoconstriction, stasis, margination
0%
c) Vasodilation, stasis, vasoconstriction, marginaiton
13) Which of the following statements are TRUE?
Anonymous Quiz
9%
a)Amniotic fluid embolism occurs during labour due to tear in the placental membrane.
0%
b) Mortality rate of amniotic fluid embolism is high.
0%
c) Patients with amniotic fluid embolism develop acute pulmonary oedema, RDS & DIC.
91%
d) All of the above
4) Endothelial cells can be activated (develop procoagulant properties) by:
Anonymous Quiz
25%
a) Cytokines
8%
b) Hemodynamic factors
0%
c) Plasma constituents
67%
d) All of the above
46. Chemotatic factors may include the following except:
Anonymous Quiz
0%
a) Leukotriene B4
8%
b) Chemokine
92%
c) Nitric oxide
0%
d) Bacterial products
47. Which of the following is true about fibrin?
Anonymous Quiz
0%
a) Deposition of fibrin in inflammatory conditions is known as fibrosis
67%
b) Fibrin plays important functions in inflammation & repair
8%
c) Cellulitis is characterized by excess fibrin deposition
25%
d) All of the above
45. Which of the following is an effect of chemical mediators?
Anonymous Quiz
0%
a) Increased vascular permeability.
0%
b) Chemotaxis
0%
c) Fever
100%
d) All of the above
50. One of the following is associated with marked tissue necrosis:
Anonymous Quiz
0%
a) Silicosis
6%
b) Foreign body granuloma
6%
c) Sarcoidosis
88%
d) Tuberculosis.
3) Transudation may occur due to the following EXCEPT:
Anonymous Quiz
25%
a) Increased intravascular hydrostatic pressure.
50%
b) Increased intravascular oncotic pressure.
0%
c) Lymphatic obstruction
25%
d) Renal salt & water retention