Bacterial Pathogenicity Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the definition of pathogenicity?

The ability of an organism to cause disease (correct)
The ability of an organism to live on a living host
The ability of an organism to alter the natural habitat of other organisms
The ability of an organism to live in a non-living host

What are antibiotics?

Substances produced by humans that are active in high dilutions and can only inhibit the growth of microorganisms without killing them.
Substances produced by microorganisms that are active in high dilutions and can kill or inhibit the growth of microorganisms without harming host cells. (correct)
Substances produced by microorganisms that are active in high dilutions and can only inhibit the growth of microorganisms without killing them.
Substances produced by humans that are active in high dilutions and can kill or inhibit the growth of microorganisms without harming host cells.

What is the difference between bacteriostatic and bactericidal antibiotics?

Bacteriostatic antibiotics and bactericidal antibiotics are the same thing.
Bacteriostatic antibiotics kill bacteria, while bactericidal antibiotics only inhibit their growth.
Bacteriostatic antibiotics only inhibit bacterial growth, while bactericidal antibiotics kill bacteria. (correct)
Bacteriostatic antibiotics and bactericidal antibiotics have no effect on bacteria.

What is the difference between parasitic and pathogenic bacteria?

Parasitic bacteria live on a living host, while pathogenic bacteria can multiply in the host tissues causing disease (D) Signup and view all the answers

What is the difference between broad-spectrum and narrow-spectrum antibiotics?

Broad-spectrum antibiotics are active against several types of microorganisms, while narrow-spectrum antibiotics are active against one or very few types. (C) Signup and view all the answers

What are carriers?

Apparently healthy individuals carrying a pathogenic organism without showing clinical manifestations (D) Signup and view all the answers

What is the ideal characteristic of an antimicrobial agent?

It should have selective toxicity, meaning it can kill or inhibit the growth of microorganisms without harming host cells. (A) Signup and view all the answers

What is the point of attack for selective toxic agents?

The bacterial cell wall. (D) Signup and view all the answers

What are the causes of antibiotic resistance?

All of the above. (B) Signup and view all the answers

What are the complications of antimicrobial chemotherapy?

Development of drug resistance due to inadequate dosage, prolonged treatment, and the abuse of antibiotics without in vitro susceptibility testing. (D) Signup and view all the answers

Flashcards are hidden until you start studying