Exotoxins
Test Your Knowledge on Exotoxins
Welcome to the Exotoxins Quiz! This quiz is designed to challenge your understanding of the mechanisms of exotoxins and their effects on the human body. Each question presents a unique clinical scenario related to various bacterial toxins.
Whether you are a medical student, a healthcare professional, or simply curious about toxicology, this quiz will help you:
- Enhance your knowledge on exotoxins.
- Identify key mechanisms of bacterial toxins.
- Prepare for exams or clinical practice.
A patient has pseudomembranes on their pharynx and an enlarged neck. What is the mechanism of the exotoxin involved?
Inactivate EF2
Inactivate 60S ribosome
Lecithinase degrades tissue and cell membranes
Overactivate adenylate cyclase
A patient has been experiencing voluminous "rice water" diarrhea for 3 days. What is the mechanism of the exotoxin?
Overactivate adenylate cyclase
Overactivate guanylate cyclase
Permanently activate Gs
Permanently activate Gi
Disabling Gi
A child inhales with a "whoop" and coughs wetly on expiration. What is the mechanism of the toxin?
Overactivate adenylate cyclase
Overactivate guanylate cyclase
Permanently activate Gs
Permanently activate Gi
Disabling Gi
A bacterium contains an exotoxin that mimics adenylate cyclase. This bacterium causes black eschars on the body. What is the name of the toxin?
Alpha toxin
TSST-1
Pyogenic exotoxin A
Edema toxin
A patient eats undercooked hamburger and begins seeing blood in their watery stool. What is the MoA for the exotoxin involved?
Inactivate EF2
Inactivate 60S ribosome
Lecithinase degrades tissue and cell membranes
Overactivate adenylate cyclase
A child inhales with a "whoop" and coughs wetly on expiration. The action of this bacterium's toxin is most closely related to that of ____?
Bacillus
Shigella
Pseudomonas
Strep pyogenes
The MoA of S. Pyogene's exotoxin is most like which bacterium's?
C. tetani
C. botulinum
C. perfringens
C. diphtheriae
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