All of the following is true concerning viral capsid EXCEPT:
Anonymous Quiz
29%
It is formed of capsomeres
0%
It is protein in nature
14%
It is responsible for viral symmetry
57%
It is the infectious part of the virus
0%
It protects the nucleic acid
In viral replication, the step which directly follows penetration is:
Anonymous Quiz
63%
Eclipse
0%
Assembly
38%
Uncoating
0%
Synthesis of viral components
The eclipse period of viral multiplication is defined as the period of time between:
Anonymous Quiz
45%
the un-coating and assembly of the virus
18%
the start of the infection and the first appearance of extracellular virus
36%
the start of the infection and the first appearance of intracellular virus
0%
the start of the infection and shedding of the virus
Regarding replication of DNA viruses, all the following statements are correct EXCEPT:
Anonymous Quiz
44%
They use the host's DNA dependent RNA polymerase
22%
The mRNA is transcribed from the ve sense strand
11%
Some viruses may remain latest within the host cell for variable periods
22%
The positive sense strand may act as mRNA
Regarding replication of the RNA viruses, all the following statements are correct EXCEPT:
Anonymous Quiz
70%
The host's polymerase can work from viral RNA
20%
The positive sense strand can act directly as MRNA
0%
Negative sense strand must first transcribed into positive sense strand
10%
Retroviruses use reverse transcriptase to produce complementary DNA
Systemic viral infections are characterized by the following EXCEPT:
Anonymous Quiz
11%
Long incubation period
22%
Long duration of immunity
11%
IgM and IgG play an important role
56%
The site of infection is close to the portal of entry
Fungi differ from bacteria in all the following EXCEPT:
Anonymous Quiz
0%
They are larger in size
0%
They have ergosterol in their cytoplasmic membrane
40%
They may be autotrophic or heterotrophic
10%
There is no obligate anaerobic fungi
50%
They have chitin in their cell wall
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❤1
Exchange of nuclear materials between two protozoa is called:
Anonymous Quiz
29%
a) Syngamy.
65%
b) Conjugation.
6%
c) Endodyogony.
0%
d) Budding.
Hemolytic anemia is involved in the pathogenesis of:
Anonymous Quiz
29%
a) Malaria
21%
b) Hookworm infection
13%
c) Schistosomiasis
38%
d) Diphyllobothriasis
Diagnostic and infective stages are identical in:
Anonymous Quiz
0%
a) Trichuriasis
70%
b) Taeniasis solium
0%
c) Cyclosporiasis
30%
d) Enterobiasis
Appendicitis can occur as a complication of infection with:
Anonymous Quiz
24%
a) Ancylostoma duodenale
18%
b) Taenia solium
53%
c) Trichuris trichiura
6%
d) Schistosoma mansoni
Transient pulmonary symptoms occur in the course of the following disease:
Anonymous Quiz
6%
a) Trichuriasis
65%
b) Ascariasis
18%
c) Trichostrongyliasis
12%
d) Hymenolepiasis nana
Ascariasis is not transmitted directly between family members as:
Anonymous Quiz
19%
a) Infection is through ingestion of larvae.
50%
b) Eggs are laid immature.
31%
c) Infection is through skin penetration by larvae.
0%
d) Needs close contacts.