9 Questions
Which of the following toxins causes the characteristic 'rice-water' diarrhea?
Cholera Toxin
Which toxin inhibits protein synthesis by ADP-ribosylation of elongation factor 2?
Diphtheria Toxin
Which toxin causes muscle paralysis by blocking the release of acetylcholine at neuromuscular junctions?
Botulinum Toxin
What is the main difference between pathogenicity and virulence?
Pathogenicity refers to the ability of a microbe to cause disease, while virulence refers to the severity of the disease caused by the microbe.
Which of the following is an example of a mechanism by which a pathogen enhances its virulence?
Producing toxins that damage host cells
How does a pathogen's ability to adhere to host cells contribute to its virulence?
It enables the pathogen to establish infection and cause disease
What is the primary function of an antibody?
To neutralize pathogens and toxins
Which of the following is a characteristic of a highly virulent pathogen?
Ability to evade the immune response
How do antibodies contribute to immunity against pathogens?
By neutralizing pathogens and marking them for destruction by immune cells
Test your knowledge about Cholera Toxin and Diphtheria Toxin with this quiz. Identify which toxin causes 'rice-water' diarrhea, inhibits protein synthesis, and causes muscle paralysis by blocking acetylcholine release at neuromuscular junctions.
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