RHABDOVIRIDAE, CALICIVIRIDAE AND ASTROVIRIDAE QUIZ

Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease?

Shigellosis

Botulism

Diphtheria

Tetanus

TRUE ANSWER : ?
YOUR ANSWER : ?

Lactoferrin helps to protect against pathogens by

lowering the pH

blocking sebum production

sequestering Iron

facilitating the growth of normal flora

TRUE ANSWER : ?
YOUR ANSWER : ?

Fatalities following influenza infection are usually due to the

bacterial superinfection

damage to the heart muscle

dehydration

formation of granulomas in the lung

TRUE ANSWER : ?
YOUR ANSWER : ?

Prontosil is

not used as an antibacterial agent

an effective antibacterial both in animals as well as in in-vitro cultures

an effective antibacterial when used in animals

an effective antibacterial when used in in-vitro cultures

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following disease is not caused by microbial protein toxin?

Shigella dysentery

Tuberculosis

Botulism

Diphtheria

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is not a major defense mechanism in the stomach?

Proteolytic enzymes

Low pH

All of these

Dense normal flora

TRUE ANSWER : ?
YOUR ANSWER : ?

The "A" subunit of diphtheria toxin

binds host cell receptors found on heart cells

cause ADP ribosylation of a factor involved in protein synthesis

lysis macrophages with the release of cytokines

forms cAMP that leads to fluid accumulation

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following disease is caused by DNA viruses?

Yellow fever

Measles

Small pox

Poliomyelitis

TRUE ANSWER : ?
YOUR ANSWER : ?

The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is

small dosage of wild-type live viruses

heat killed virus

live attenuated strains of all three immunological types

formalin-inactivated viruses

TRUE ANSWER : ?
YOUR ANSWER : ?

Mucus helps in protecting against pathogens by

lowering the pH

blocking access and attachment of pathogens to mucosal surfaces

facilitating the growth of normal flora

sequestering Iron

TRUE ANSWER : ?
YOUR ANSWER : ?