Which one of the following diseases is spread by housefly?
Dengue fever
Encephalitis
Filariasis
Typhoid
D.
Typhoid
Typhoid fever is caused by Salmonella typhi. It is a common worldwide illness transmitted by the ingestion of food or water contaminated with the faeces of an infected person, this disease is spread by housefly.
Dengue fever is a mosquito-borne tropical disease caused by the dengue virus. This may include a highfever, headache, vomiting, muscle and joint pains, and a characteristic skin rash.
Encephalitis is inflammation of the brain. It is mainly caused by viral infections. It often causes only mild flu-like signs and symptoms such as a fever or headache or no symptoms at all.
Filariasis is a parasitic disease caused by an infection with roundworms of the Filarioidea type. These are spread by blood-feeding diptera as black flies and mosquitoes. This disease belongs to the group of diseases called helminthiases.
Which of the following is related to humoral immunity?
T- lymphocyte
B- lymphocyte
I- lymphocyte
P- lymphocyte
Which is the correct sequence of arrangement of types of WBC in decreasing order in terms of number per mm3 of human blood
Eosinophils > Basophils > Neutrophils
Basophils > Eosinophils > Neutrophils
Neutrophils > Eosinophils > Basophils
Eosinophils > Neutrophils > Basophils
A female Anopheles mosquito can be recognised by
proboscis and palpi are long and more or less of equal length
proboscis long and palpi short
proboscis short and palpi long
Both proboscis and palpi are short
The anterior V-spot in microfilaria of Wuchereria represents
nerve ring
cervical papilla
excretory system
reproductive system
Which stage of malarial parasite is infective to man?
Gametocyte
Merozoite
Cryptomerozoite
Sporozoite
Which one of the following life cycle stages of Wuchereria bancrofti is infective to man?
Microfilaria
1st stage larva
2nd stage larva
3rd stage larva