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.Management Sciences
Category: Microbiology
Viruses can be isolated from clinical samples by cultivation in the following except_______________?
A. Tissue culture
B. Embryonated eggs
C. Animals
D. Chemically defined media
Loss of capsule in bacteria is generally associated with______________?
A. Decease in virulence
B. Loss of infectivity
C. Inability to spread through tissue
D. increase in invasiveness
The HIV virus can be destroyed invitro by which of the following_____________?
A. Boiling
B. Ethanol
C. Cidex
D. All of the above
Incubation pariod of herpes zoster is________________?
A. 7-14 days
B. 1 months
C. 1-2 years
D. 3-6 months
Signs of tyhoid fever is/are_____________________?
A. Haemorrhage
B. perforation
C. Osteomyelitis
D. All of the above
Which of the following is not a pox virus ?
A. Cowpox
B. Molluscum contagiosum
C. Small pox
D. chicken pox
All are true about widel test except________________________?
A. Base lines differ depending on the endemicity of the disease
B. O antibodiest last longer and hence is not indicative of recent infection
C. H antigen cannot differentiate between subtypes
D. High titre value in a single widal test is not confirmative
Staphylococcal food poisoning includes the following features_______________?
A. Incubation period of 24 hours
B. Requires immediate antibiotics
C. Common with dairy products
D. Heat labile enterotoxin
Anaphylaxis refers to the________________?
A. Severe reaction following the injection of protein solution in a sensitized individual
B. Severe reaction following primary injection of Protein solutions
C. State of immunity developed by repeated injections of any foreign substance
D. Severe reaction resulting from sensitivity to common allergens
The best way of detecting the presence of viruses in the infected cell – culture is____________?
A. Cytopathic changes in culture cells
B. Presence of viral protein in the infected monolayer
C. Haemagglutination test
D. Haemagglutination inhibition test
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