All of the following are functions of activated complement EXCEPT:
Anonymous Quiz
25%
Bacterial lysis
0%
Opsonization
69%
Interference with viral replication
6%
Immune complex clearance
Regarding the classical complement pathway, all is true EXCEPT:
Anonymous Quiz
0%
It is involved in acquired (specific) immunity
7%
Antibodies are needed for activation of C1
86%
Microbial components like endotoxin are needed for initiation
7%
All components from C1-C9 are involved
The complement component which attaches to Fc portion of IgM is:
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0%
C1a
67%
C3B
0%
C4b2
0%
C5
33%
C1
Transfer of antibodies from mother to child through colostrum is a form of
Anonymous Quiz
100%
Natural passive immunity
0%
Artificial passive immunity
0%
Natural active immunity
0%
Innate immunity, since it occurs naturally in all newborns
Treatment with gamma globulin is considered
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11%
Artificial active immunity
83%
Artificial passive immunity
0%
Natural active immunity
6%
Natural passive immunity
Immunity following injection of an antitoxin is a form of
Anonymous Quiz
0%
Cell mediated immunity
7%
Natural passive immunity
60%
Artificial passive immunity
33%
Artificial active immunity
Concerning active immunity, which statement is True:
Anonymous Quiz
93%
It includes development of an immunological memory
7%
It is present in all individuals, against all microorganisms.
0%
Its onset starts immediately after infection
0%
The duration of its protection is usually short.
immunity following administration of vaccines is a form of:
Anonymous Quiz
6%
Natural passive immunity
11%
Artificial passive immunity
6%
Natural active immunity
78%
Artificial active immunity
Which protection would be provided by injection of a toxoid
Anonymous Quiz
0%
Natural passive immunity
38%
Artificial passive immunity.
0%
Natural active immunity
63%
Artificial active immunity
Which immunity develops following a subclinical infection?
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14%
Artificial active immunity
0%
Artificial passive immunity.
86%
Natural active immunity
0%
Natural passive immunity
Which antibodies represent passive acquired immunity:
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0%
Antibodies developing after clinically manifest infection
71%
Antibodies passing from mother to newborn baby
14%
Antibodies produced after subclinical infection
14%
Antibodies produced following vaccine administration
Natural passive immunity
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8%
Innate immunity to viruses includes:
31%
Type I interferon
54%
Neutralizing antibodies
8%
Cytokines production by T helper cells
The main specific immune mechanism to established viral infection is:
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0%
Antibody-mediated immune response
92%
Cytotoxic T cell-mediated immune response
0%
Helper T cell-mediated immune response
8%
killing by NK cells
The most important cells involved in innate immunity to fungi are:
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22%
Eosinophils
0%
Helper T lymphocytes
67%
Neutrophils
11%
Macrophages
Which cell type is particularly important in the defense against parasitic infections?
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100%
Easinophil
0%
Macrophage
0%
Monocyte
0%
Neutrophil
Which statement is Incorrect regarding immunity to extracellular bacteria:
Anonymous Quiz
44%
NK cells can exert direct cytotoxic killing of extracellular bacteria
25%
Such bacteria rapidly killed by microbicidal mechanisms of phagocytes.
25%
The main protective specific immune immune response e is humoral immunity
6%
Agglutination of bacteria by antibodies prevents their spread.
Venlafaxine differs from standard tricyclic antidepressants in that it:
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0%
Does not inhibit 5-HT reuptake
20%
Does not inhibit noradrenaline reuptake
70%
Does not have anticholinergic or antiadrenergic property
10%
ο»Ώο»Ώο»ΏHas lower antidepressant efficacy
The following antiepileptic drug is used in treatment of Grand Mal epilepsy & has antiarrhythmic action:
ο»Ώο»Ώο»Ώ
ο»Ώο»Ώο»Ώ
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13%
Diazepamο»Ώο»Ώο»Ώο»Ώο»Ώο»Ώ
6%
Phenobarbitone
13%
Sodium valproate
69%
Phenytoin
Which of the following opioid analgesics induces withdrawal syndrome when given to a morphine addict?
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6%
Fentanyl
24%
Nalbuphine
18%
Meperidine
53%
Methadone