Bacterial Toxins

What are bacterial toxins primarily produced by?

• Parasites

• Viruses

• Fungi

• Bacteria

Which of the following is a characteristic of exotoxins?

• They are less toxic than endotoxins.

• They are released by bacteria into the surrounding environment.

• They are part of the bacterial cell wall.

• They are only produced by gram-negative bacteria.

What disease is caused by the exotoxin produced by Corynebacterium diphtheriae?

• Cholera

• Botulism

• Diphtheria

• Tetanus

Which bacterium's exotoxin blocks the action of inhibitory neurons in the spinal cord?

• Clostridium tetani

• Clostridium botulinum

• Corynebacterium diphtheriae

• Vibrio cholerae

What is the primary effect of the botulinum toxin?

• Causes diarrhea

• Inhibits protein synthesis

• Paralysis of muscles

• Causes cell death

Which of the following toxins causes hypersecretion of water and electrolytes in the gut?

• Shiga toxin

• Diphtheria toxin

• Cholera toxin

• Botulinum toxin

What is the main mechanism by which bacteria develop diseases?

• Antibiotic resistance

• Bacterial toxins

• Biofilm formation

• Spore formation

Which bacterium is known for causing gas gangrene?

• Escherichia coli

• Clostridium perfringens

• Shigella dysenteriae

• Vibrio cholerae

What type of toxin is produced by Enterotoxigenic E. coli?

• Endotoxin

• Heat-labile exotoxin

• Neurotoxin

• Cytotoxin

Which of the following is NOT a type of bacterial toxin mentioned?

• Exotoxin

• Neurotoxin

• Endotoxin

• Enterotoxin