In primary immune response:
Anonymous Quiz
11%
There is a short induction period
82%
There is no memory cells
4%
The predominant immunoglobulin IgG
4%
The antibody level is very high
The monoclonal antibody is characterized by the following EXCEPT:
Anonymous Quiz
7%
Highly specific
79%
- Produced by different clones or B cells
7%
Can be artificially produced
7%
Can be used in diagnosis or therapy
Which antibody provides local Immunity at the mucosal surfaces:
Anonymous Quiz
97%
IgA
0%
IgD
0%
IgE
3%
IgG
Which surface molecule delivers the first signal for B-cell activation
Anonymous Quiz
71%
B cell receptor
6%
B7
15%
CD40
9%
MHCI
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45-" Larva currens" is the name given to the migrating larva of:
Anonymous Quiz
9%
a) Ancylostoma duodenale
2%
b) Trichostrongylus colubriformis
86%
c) Strongyloides stercoralls
3%
d) Capillaria philippinensis
46- Concerning ancylostomiasis duodenale, which of the following is infective:
Anonymous Quiz
3%
a) Mature Egg
86%
b) Filariform larva
11%
c) Rhabditiform larva
1%
d) Adult worm
47- A patient presenting with chronic diarrhoea, with history of eating improperly cooked whole infected fish, may be infected with:
Anonymous Quiz
2%
a) Enterobius vermicularis
2%
b) Echinococcus granulosus
2%
c) Ascaris lumbricoides
94%
d) Capillaria philippinensis
48-Walking barefooted poses a risk of acquiring:
Anonymous Quiz
3%
a) Trichostrongyliasis
4%
b) Visceral larva migrans
91%
c) Ancylostomiasis
2%
d) Intestinal capillariasis
49-Disseminated systemic infection in AIDS patient is reported with:
Anonymous Quiz
7%
a) Trichostrongyliasis
9%
b) Enterobiasis
5%
c) Ancylostomiasis
80%
d) Strongyloidiasis
50-Which of the following parasites infects man by skin penetration:
Anonymous Quiz
2%
a) Trichostrongylus colubriformis
5%
b) Enterobius vermicularis
3%
c) Trichuris trichiura
90%
d) Strongyloides stercoralis
51-Infection with Fasciola is through:
Anonymous Quiz
10%
a) Ingestion of raw liver of sheep
86%
b) Ingestion of encysted metacercaria on plants
2%
c) ingestion of eggs of Fasciola
1%
d) Penetration of skin by cercariae
❤2👍1
52- Undercooked meat is the source of infection with:
Anonymous Quiz
4%
a) Fasciola gigantica
1%
b) Ancylostoma duodenale
6%
c) Heterophyes heterophyes
90%
d) Taenia sagniata
👎20
53- Lymnaea is the snail intermediate host for:
Anonymous Quiz
5%
a) Heterophyes
1%
b) Diphyllobothrium spp.
1%
c) Toxocara spp.
92%
d) Fasciola spp.
54-Man is infected by Heterophyes through:
Anonymous Quiz
0%
a) Eating insufficiently cooked crabs
6%
b) Handling the snail Pirenella conica
3%
c) Drinking contaminated water with cercaria
91%
d) Eating improperly cooked fish (Tilapia or Mugil)
55-Sheep liver fluke is the common name of:
Anonymous Quiz
95%
a) Fasciola hepatica
2%
b) Fasciola gigantica
2%
c) Taenia saginata
0%
d) Taenia solium
56-Maldigestion is seen with ascariasis due to:
Anonymous Quiz
2%
a) Multivitamin deficiency
5%
b) Secretion of anti IgA blocking antibodies
2%
c) Presence of chronic malabsorption
92%
d) Secretion of anti-enzymes
58-The following about Fasciola spp. infection is TRUE:
Anonymous Quiz
6%
a) Proline secretion by the worm causes minimal abscesses
83%
b) Immature worms produce destruction in liver parenchyma
6%
c) No ectopic migration occurs
6%
d) Praziquantel is the drug of choice