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Questions and Answers
What is the basis of antibiotic selection?
What is the basis of antibiotic selection?
- The degree of permeability of capillaries
- Organism's virulence and site of the infection
- Organism's identity and susceptibility to a particular agent (correct)
- The presence of natural barriers to drug delivery
What is the main reason why antimicrobial drugs are effective in treating infections?
What is the main reason why antimicrobial drugs are effective in treating infections?
- They have minimal adverse effects on the host cells
- They have a broad spectrum of activity against all microorganisms
- They target the host cells and protect the invading microorganisms
- They have the ability to injure or kill an invading microorganism without harming the host cells (correct)
Why is it generally necessary to culture the infective organism in order to select the most appropriate antimicrobial agent?
Why is it generally necessary to culture the infective organism in order to select the most appropriate antimicrobial agent?
- To assess the degree of permeability of capillaries
- To determine the virulence of the infective organism
- To identify the site of the infection
- To arrive at a conclusive diagnosis and determine susceptibility to antibiotics (correct)
What is one of the natural barriers to drug delivery mentioned in the text?
What is one of the natural barriers to drug delivery mentioned in the text?
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Which factor determines the capillaries' ability to carry drugs to body tissues?
Which factor determines the capillaries' ability to carry drugs to body tissues?
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