Podcast
Questions and Answers
Which of the following is a semisynthetic derivative of beta-lactams?
Which of the following is a semisynthetic derivative of beta-lactams?
- Methicillin (correct)
- Bacitracin
- Penicillin G
- Isoniazid
What defines a broad-spectrum antimicrobial agent?
What defines a broad-spectrum antimicrobial agent?
- Effective against many organisms with an unknown specific agent. (correct)
- Agent is known and identified.
- Effective against a limited range of organisms.
- Used specifically for viral infections.
What is the primary action of Tetracyclines in microbial treatment?
What is the primary action of Tetracyclines in microbial treatment?
- Disrupting mycolic acid biosynthesis.
- Blocking the transport of NAG and NAM.
- Interfering with protein synthesis by blocking tRNA docking sites. (correct)
- Attaching to ergosterol in fungal membranes.
What is the purpose of the therapeutic index in antimicrobial drugs?
What is the purpose of the therapeutic index in antimicrobial drugs?
Which compound disrupts mycolic acid synthesis?
Which compound disrupts mycolic acid synthesis?
Which agent is used in the disruption of cell membranes by targeting ergosterol?
Which agent is used in the disruption of cell membranes by targeting ergosterol?
What is a key feature of semisynthetic antibiotics compared to natural antibiotics?
What is a key feature of semisynthetic antibiotics compared to natural antibiotics?
What is the main role of sulfonamides in antimicrobial therapy?
What is the main role of sulfonamides in antimicrobial therapy?
What is the thermal death point?
What is the thermal death point?
What is the effect of lyophilization on microbial cultures?
What is the effect of lyophilization on microbial cultures?
What type of radiation is known to cause pyrimidine dimers in DNA?
What type of radiation is known to cause pyrimidine dimers in DNA?
What is the primary purpose of osmotic pressure in food preservation?
What is the primary purpose of osmotic pressure in food preservation?
Which method is most effective for sterilizing powders and oils?
Which method is most effective for sterilizing powders and oils?
What is the term used to describe the ability of a microorganism to cause disease?
What is the term used to describe the ability of a microorganism to cause disease?
Which of the following is NOT a mode of disease transmission?
Which of the following is NOT a mode of disease transmission?
Which virulence factor helps bacteria evade phagocytosis?
Which virulence factor helps bacteria evade phagocytosis?
What defines an epidemic in terms of disease occurrence?
What defines an epidemic in terms of disease occurrence?
What stage of infectious disease is characterized by the most severe symptoms?
What stage of infectious disease is characterized by the most severe symptoms?
Which type of toxin is produced by Gram-negative bacteria?
Which type of toxin is produced by Gram-negative bacteria?
What is the term for the presence of toxins in the bloodstream?
What is the term for the presence of toxins in the bloodstream?
What is the role of attachment antagonists in viral infection?
What is the role of attachment antagonists in viral infection?
Which of the following factors is NOT considered a part of hospital epidemiology?
Which of the following factors is NOT considered a part of hospital epidemiology?
Opportunistic pathogens are typically part of the normal microbiota but can cause disease under what conditions?
Opportunistic pathogens are typically part of the normal microbiota but can cause disease under what conditions?
Which of the following mechanisms is NOT a way bacteria can resist antimicrobial drugs?
Which of the following mechanisms is NOT a way bacteria can resist antimicrobial drugs?
What type of reservoir is a human carrier who is in the incubatory phase of an infection?
What type of reservoir is a human carrier who is in the incubatory phase of an infection?
Contamination and infection differ in that contamination refers to what?
Contamination and infection differ in that contamination refers to what?
In which of the following instances would the parenteral route be used?
In which of the following instances would the parenteral route be used?
Which of the following best describes 'synergism' in the context of drug interactions?
Which of the following best describes 'synergism' in the context of drug interactions?
Which of the following is considered a non-living reservoir of infection?
Which of the following is considered a non-living reservoir of infection?
What is the primary consequence of using antimicrobial drugs on resident microbiota?
What is the primary consequence of using antimicrobial drugs on resident microbiota?
Which phase of microbial control focuses on killing all viruses and microorganisms on an object?
Which phase of microbial control focuses on killing all viruses and microorganisms on an object?
What method is characterized by the removal of microorganisms by mechanical means?
What method is characterized by the removal of microorganisms by mechanical means?
Which of the following is NOT a part of the public health role in limiting disease transmission?
Which of the following is NOT a part of the public health role in limiting disease transmission?
Which biosafety level is characterized by pathogens that do NOT cause disease in healthy humans?
Which biosafety level is characterized by pathogens that do NOT cause disease in healthy humans?
What is the main effect of extreme heat and chemicals on proteins during antimicrobial action?
What is the main effect of extreme heat and chemicals on proteins during antimicrobial action?
Which method specifically involves using heat to destroy pathogens and reduce spoilage in food and beverages?
Which method specifically involves using heat to destroy pathogens and reduce spoilage in food and beverages?
Which term refers to the reduction in the number of microorganisms on living tissue?
Which term refers to the reduction in the number of microorganisms on living tissue?
