Chemotherapeutic Agents and Disinfectants Quiz

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What is the main purpose of chemotherapeutic agents as described in the text?

To only suppress bacterial growth
To directly attack and kill spores
To boost body defenses against infection
To prevent replication of infective microorganisms (correct)

Which type of antimicrobial substances are usually used with nonliving substances like alcohols and detols?

Disinfectants (correct)
Antibiotics
Bacteriocidal agents
Antiseptics

What distinguishes antiseptics from disinfectants?

Antiseptics have a broader spectrum of activity than disinfectants
Antiseptics are used on living tissues, while disinfectants are not (correct)
Antiseptics work on nonliving substances, while disinfectants work on living tissues
Disinfectants are specific for microorganisms causing skin infections

What does the term 'Bacteriocidal' mean?

Killing bacteria (B) Signup and view all the answers

Which antimicrobial substance is specifically mentioned as working at a low concentration due to its non-injurious nature to tissues?

Antiseptics (D) Signup and view all the answers

In what condition are chemotherapeutic agents considered successful in their function?

When they prevent the replication of infective microorganisms (C) Signup and view all the answers

Explain the difference between bactericidal and bacteriostatic chemotherapeutic agents.

Bactericidal agents kill bacteria, while bacteriostatic agents suppress bacterial growth. Signup and view all the answers

How do disinfectants differ from antiseptics in terms of usage?

Disinfectants are used with nonliving substances, while antiseptics are used with living tissues like skin. Signup and view all the answers

Explain why antiseptics have a limited spectrum of activity compared to disinfectants.

Antiseptics are specific for microorganisms that cause skin infections, unlike disinfectants which have a broader range of action. Signup and view all the answers

Describe the primary purpose of chemotherapeutic agents in treating infections.

Chemotherapeutic agents aim to prevent the replication of infective microorganisms, allowing the body's defenses to fight and eliminate the infection. Signup and view all the answers

How does the term 'Bacteriocidal' relate to the ability of bacterial cells to replicate?

Bacteriocidal agents render bacterial cells unable to replicate and produce new cells, effectively killing the bacteria. Signup and view all the answers

Chemotherapeutic Agents

Substances that prevent the replication of infective microorganisms.

Disinfectants

Antimicrobial substances used on nonliving surfaces like alcohols.