Source of infection in diseases
Direct contact
Droplet of Saliva
Carrier organisms
A vector
Carriers of hepatitis are
Monkeys
Human beings
Rats
Dogs
One of the following happens in manifestation stage of disease
The immune system of patient flights and kills the organisms
Disease process is held temporally or permanently
Toxic substances are released by the organism
Disease organisms select suitable carrier
During incubation period the parasite
destroys host tissue
release toxic substance
divides and multiples in number
blocks passage in tissue
Filariasis is caused by
Plasmodium
Rubella
Wuchereria
None of the above
Carrier organisms of yellow- fever are
Mosquitoes
The sporozoites of the malarial parasite are formed from
macrogametes
microgametes
zygote
salivary glands
Reservoir and carrier organisms differ in
Possessing disease causing organisms
Carrying living infectious agents
Absence of movement
Ability to directly infect the host
Which of the following sequences in life cycle of malarial parasite is correct?
Cryptometozoit - Merozoite - Gametocyte
Merozoite - Schizont - Cryptometozoit
Schizont - Cryptometozoit -Gametocyte
Gametocyte -Merozoite - Schizont
Jaundice symptoms are seen in the following conditions except in
destruction of large number of red blood cells of liver
infection by hepatitis virus
excretion of bilirubin by the kidney
drugs taken that cause damage to liver cells