Which one of the following statements regarding antibiotics is FALSE? It is a substance produced by microorganisms It is a substance produced totally by chemical synthesis It is a substance produced partially by chemical synthesis It is a substance produced by our immune system in response to a pathogen OIt kills or inhibits the growth of micro-organisms

Which one of the following statements regarding antibiotics is FALSE? It is a substance produced by microorganisms It is a substance produced totally by chemical synthesis It is a substance produced partially by chemical synthesis It is a substance produced by our immune system in response to a pathogen OIt kills or inhibits the growth of micro-organisms

Essentials of Pharmacology for Health Professions

7th Edition

ISBN:9781305441620

Author:WOODROW

Publisher:WOODROW

Chapter17: Anti-infective Drugs

Section: Chapter Questions

Problem 13CRQ

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Which of the following are criteria for antibiotics? (select all that apply) Chemical substance produced by a microbe Kills viruses Stops the growth or kills other microorganisms Effective in small doses
If someone is contaminated with a bacterium from the environment, are they guaranteed to develop a disease? O Yes, contamination precedes disease and only one microbe is needed for disease development. Yes, a contamination implies that the patient will develop an illness. O No, contamination is just the mere presence of microbes in or on the body. O No, only non-living surfaces may be contaminated.
What is an antibiotic? it is any type of chemical that is toxic it is a general disinfectant effective against most types of cells and viruses it is a type chemical produced by a bacterium or fungus that has the potential to control the growth of another bacterium allows exchange of organisms between your bacteria culture and the environment it is a macromolecule produced by the vertebrate immune system that helps destroy foreign cells
An antimicrobial agent shows selective toxicity when specifically: An antimicrobial agent is said to exhibit selective toxicity when it specifically: Select one: O does not induce the development of resistant strains of microorganisms O kills or destroys many species of microorganisms O kills or inhibits the microorganism with minimal or no damage to host cells O penetrates rapidly into host cells and tissues O does not interfere with host defense microorganisms
As microbes come in contact with humans there are variables that come into play determining if the microbe will cause infection, colonize onto the host without any issues or is removed by the hosts immune system. Microbes that become associated with us and don't cause any issues should be a benefit and provide us with something useful (i.e. vitamin or prevent colonization of other microbes). Please research a microbe that is normally associated with us, considered a normal flora, and provides a benefit. Answer each of the following about the microbe you choose. 1. Scientific name of the microbe. 2. Where it is normally found on/in the human body? 3. What is the benefit/advantage the microbe provides to us? Explain in 3-4 sentences. 4. An interesting fact about the microbe not related to the benefit/advantage. 5. Can this microbe cause disease in its human host? Explain why or why not in a few sentences.
The question below is one question I just separated the question marks 1) How are antibiotics, as a class of drugs, unique? 2)How does this facilitate resistance? 3)How are antibiotics misused?
Which statements describe ways in which antibiotic resistant bacteria can spread? Health care workers become infected after have interacting with sick patients. Hospital visitors transfer resistant bacteria from patients to family or community members. Animals raised for meat or milk are routinely given antibiotics. Animal feces is used as a fertilizer for food crops. Antibacterial soaps are used at home, at schools, and in hospitals.
Which of the following mechanisms of action of antibiotics has the fewest side effects? protein synthesis cell wall synthesis DNA replication synthesis of essential metabolites enzymatic activity
Which of the following is the site of action for penicillin? O Cell wall Cell membrane O Protein O DNA
Which of the following pairs of terms is mismatched? Virucide - inactivates viruses Germicide - kills microbes Sterilant-destroys all living microorganisms Bacteriostatic - kills vegetative bacterial cells
As the immune system increases fluids in a tissue resulting in swelling and increased mucus production during infection a bacteria will utilize to maintain themselves in a patient's tissue. Salmonella would utilize these to maintain themselves in the gastrointestinal tract and not be pushed out of the host by peristalsis. O Adhesins O Exoenzymes O Endotoxins O Exotoxins O None of the above apply
No one would dispute the facts that the use of antibiotics is extremely beneficial. Why then are there currently discussions around the idea that we as a society should be limiting our antibiotic use? What are the pros and cons of utilizing antibacterial and antimicrobial products (NOT antibiotics) on a daily basis? Do you agree or disagree that the use of antibiotics should be reduced and if so, how should it be done?