Which of the following is not a positive inotropic drug:
Anonymous Quiz
0%
Dobutamine
77%
Verapamil
8%
Digoxin
15%
Amrinolone
Regarding the mechanism of action of antihypertensive drugs, the following is Wrong
Anonymous Quiz
0%
Losartan blocke angiotensin AT-1 receptors
9%
Sodium nitroprusside releases nitic oxide
0%
Prazosin block a1 adrenoreceptor
91%
Clonidine block ß adrenoreceptor
😁1
Digoxin produces alt of the following actions EXCEPT
Anonymous Quiz
0%
Positive inpèropic affect
20%
Bradycardia
0%
Decrease A-V conduction
80%
Direct vasodilator effect
. The first vascular response to injury is:
Anonymous Quiz
0%
a) Slowing of the circulation
0%
b) Venular dilation
0%
c) Recruitment of vascular beds
0%
d) Capillary engorgement
100%
e) Arteriolar vasoconstriction
5. Which of the following is the correct sequential order of the phases of healing?
Anonymous Quiz
0%
a) Remodeling, inflammation, hemostasis, and repair
56%
b) Inflammation, hemostasis, proliferation, and maturation
44%
c) Hemostasis, inflammation, repair, and remodeling
0%
d) Inflammation, maturation, proliferation, and hemostasis
7. Scar tissue extending beyond wound boundaries and usually doesn't regress:
Anonymous Quiz
9%
a) Elastin
82%
b) Keloid
0%
c) Stable tissues
9%
d) Organization
8. Example of permanent cell is:
Anonymous Quiz
83%
a) Nerve cell
8%
b) Surface epithelium
8%
c) Liver
0%
d) Kidney
9. Permanent cells are terminally differentiated cells usually confined which stage of the cell cycle
Anonymous Quiz
83%
a) GO
8%
b) G1
0%
c) M
8%
d) G2
10. The following are components of granulation tissue except:
Anonymous Quiz
17%
a) Fibroblasts
8%
b) Proliferate capillaries
0%
c) Myofibroblasts
75%
d) Platelets
13. Which one of the following is not a correct time-event match regarding wound healing by first intention?
Anonymous Quiz
10%
a) Day 5-incision space is filled by granulation tissue
30%
b) 0 hours-neutrophils from wound margin infiltrate the cut
20%
c) Week 2-proliferation of granulation tissue
10%
d) Day5-maximal neovascularisation
30%
e) Month 2-scar consisting of connective tissue devoid of inflammation
14. The main growth factor considered the main fibrogenic factor is:
Anonymous Quiz
55%
a) Fibroblast growth factor(FGF)
0%
b) Epidermal growth factor(EGF)
45%
c) Transforming growth factor beta (TGFb)
0%
d) Platelet derived growth factor (PDGF
19. In healing by primary intention:
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0%
a) There is a large tissue defect
9%
b) The tissue defect cannot be reconstituted
9%
c) It involves excessive granulation tissue
82%
d) An epithelial spur forms on the first day
20. Concerning the repair of a well opposed, clean surgical incision:
Anonymous Quiz
40%
a) Dermal appendages destroyed by the incision usually recover
30%
b) New collagen begins to accumulate after the first week
0%
c) Granulation tissue does not occur
30%
d) There is an initial inflammatory response
21. Morphology of tissue scar includes all of the following except:
Anonymous Quiz
0%
a) Pale in color
9%
b) Nearly avascular
73%
c) Composed of active fibroblasts & dense collagen
18%
d) Myofibroblasts help to reduce its size
22. In time repair, cells are attached to the surrounding extracellular matrix by cell surface proteins called:
Anonymous Quiz
55%
a) Fibronectin
45%
b) Integrin
0%
c) Selectin
0%
d) Laminin
23. One of these growth factors has inhibitory activity on the cells:
Anonymous Quiz
0%
a) EGF
17%
b) VEGF
67%
c) TGF-B
17%
d) FGF
24. Which of the following vitamins important for tissue repair?
Anonymous Quiz
17%
a) Vitamin A
75%
b) Vitamin C
8%
c) Vitamin E
0%
d) Vitamin B12
26. Healing of peripheral nerves occurs mainly by proliferation of:
Anonymous Quiz
0%
a) The axon
0%
b) The myelin sheath
90%
c) Schwann cells
10%
d) Glial cells
27. Chromatolysis means:
Anonymous Quiz
0%
a) Neuronal swelling
0%
b) Axonal degeneration
50%
c) Degradation of neuronal nucleus
50%
d) Loss of nissl granules
28. In Wallerian degeneration:
Anonymous Quiz
36%
a) Axons degenerate proximally until the cell body
55%
b) The axon & the myelin disintegrate distally
9%
c) Schwann cells are kst
0%
d) Full recovery always occur