Which of the following is not a positive inotropic drug:
Anonymous Quiz
6%
Dobutamine
63%
Verapamil
19%
Digoxin
13%
Amrinolone
Regarding the mechanism of action of antihypertensive drugs, the following is Wrong
Anonymous Quiz
0%
Losartan blocke angiotensin AT-1 receptors
7%
Sodium nitroprusside releases nitic oxide
21%
Prazosin block a1 adrenoreceptor
71%
Clonidine block ß adrenoreceptor
Digoxin produces alt of the following actions EXCEPT
Anonymous Quiz
6%
Positive inpèropic affect
11%
Bradycardia
11%
Decrease A-V conduction
72%
Direct vasodilator effect
20) Which of the following being is the most frequent site of thrombus?
Anonymous Quiz
0%
a) hepatic vein
6%
b) Pulmonary vein
0%
c) Portal vein
94%
d) Veins of lower extremities
1) Causes of lymphatic obstruction include the following except:
Anonymous Quiz
6%
A. Neoplastic.
0%
B. Post irradiation
94%
C. Nutritional
0%
D. Postsurgical
36. Which one of the listed substances is produced by the action of lipoxygenase on arachidonic acid, is a potent chemotactic factor for neutrophils, and causes aggregation and adhesion of leukocytes?
Anonymous Quiz
13%
a) C5a
0%
b) Prostacyclin
6%
c) IL-8
19%
d) Thromboxane A2
63%
e) Leukotriene B4
2) Causes of hypoproteinemia include:
Anonymous Quiz
71%
a) Liver cirrhosis
21%
b) Renal hypoperfusion
7%
c) Excessive salt intake
0%
d) Neoplasia
17) In a thrombus, the dark lines of Zahn are due to:
Anonymous Quiz
14%
a) Coagulated fibrin
0%
b) Aggregated proteins
21%
c) Aggregated platelets
64%
d) Aggregated R.B.C
39. One feature of signet ring carcinoma is:
Anonymous Quiz
100%
a) One of the mucin secreting adenoma
0%
b) Also called scirrhous carcinoma
0%
c) Malignant cells form solid groups
0%
d) Usually accompanied by acinar differentiation
52. Contraceptive pills can lead to:
Anonymous Quiz
7%
a) Breast adenoma
36%
b) Endometrial adenoma
43%
c) Liver adenoma
14%
d) Cervical polyp
7. The following are true regarding metaplasia except:
Anonymous Quiz
15%
a) Replacement of one mature differentiated cell type into another differentiated type
0%
b) An adaptive response to chronic injury
69%
c) Irreversible process
15%
d) Associated with increased risk of malignancy
41. Carcinoma simplex commonly seen in:
Anonymous Quiz
8%
a) Lung
15%
b) Stomach
77%
c) Breast
0%
d) Liver
. What is the name for the protein-rich extravascular fluid produced in inflammation?
Anonymous Quiz
8%
a) transudate
0%
b) blood
0%
c) pus
92%
d) exudate
What is an example of fibrinous inflammation?
Anonymous Quiz
9%
a) Serous pleural effusion
82%
b) Bread and butter pericarditis
0%
c) Acute bacterial meningitis
9%
d) Tuberculoma
69. Adenoma can arise from the following sites except:
Anonymous Quiz
21%
a) Pituitary
21%
b) Ovary
0%
c) Mucosa of GIT
57%
d) Nasal mucosa
. Regarding chemical mediators of inflammation:
Anonymous Quiz
8%
a) Histamine is particularly produced by basophils
42%
b) Leukotrienes is a potent chemotactic agent for platelets
25%
c) C3a and C3b increase vascular permeability
25%
d) Leukotrienes are produced by neutrophils and some
16) Heart failure cells are seen in:
Anonymous Quiz
0%
a) Heart
88%
b) Lungs
13%
c) Liver
0%
d) Kidney
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