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Questions and Answers
What is the main mechanism of action of penicillin against bacteria?
What is the main mechanism of action of penicillin against bacteria?
- Inhibiting the formation of bacterial ribosomes
- Interfering with the replication of bacterial DNA
- Disrupting the function of bacterial cell membrane proteins
- Preventing the bonding of cross-linked peptides in the bacterial cell wall (correct)
What component is necessary for the biological activity of penicillins?
What component is necessary for the biological activity of penicillins?
- Beta-lactam ring (correct)
- Side chain
- B-lactam antibiotic
- Thiazolidine ring
How does bacteria develop resistance to penicillin?
How does bacteria develop resistance to penicillin?
- By producing an enzyme called penicillinase to inactivate penicillin (correct)
- By reducing the permeability of the bacterial cell membrane
- By enhancing the efficiency of cross-linking peptides in the cell wall
- By increasing the production of bacterial ribosomes
What is the primary adverse reaction associated with penicillins?
What is the primary adverse reaction associated with penicillins?
What determines the antibacterial spectrum and susceptibility to degradation of penicillins?
What determines the antibacterial spectrum and susceptibility to degradation of penicillins?
What is the percentage of reported allergy to penicillin?
What is the percentage of reported allergy to penicillin?
What is the risk of cross-reactivity between penicillin and cephalosporin?
What is the risk of cross-reactivity between penicillin and cephalosporin?
In the context of penicillin allergy, what is the significance of nonallergic symptoms such as GI symptoms?
In the context of penicillin allergy, what is the significance of nonallergic symptoms such as GI symptoms?
What is the recommended action for a patient with a moderate risk history of allergic reaction to penicillin and urticaria or other pruritic rashes?
What is the recommended action for a patient with a moderate risk history of allergic reaction to penicillin and urticaria or other pruritic rashes?
Which type of penicillin is effective against Gram-positive bacteria and is available in oral form?
Which type of penicillin is effective against Gram-positive bacteria and is available in oral form?
What is the role of clavulanate in Amoxicillin and clavulanate (Augmentin)?
What is the role of clavulanate in Amoxicillin and clavulanate (Augmentin)?
What type of bacteria does dicloxacillin target?
What type of bacteria does dicloxacillin target?
What is the main difference between Amoxicillin and clavulanate and Dicloxacillin?
What is the main difference between Amoxicillin and clavulanate and Dicloxacillin?
What is the function of penicillins with extended spectra of activity such as Amoxicillin and clavulanate?
What is the function of penicillins with extended spectra of activity such as Amoxicillin and clavulanate?
What is the role of a B-lactamase inhibitor like clavulanate in antibiotics?
What is the role of a B-lactamase inhibitor like clavulanate in antibiotics?
Which antibiotic is known for frequently causing toxic effects and therefore not used often?
Which antibiotic is known for frequently causing toxic effects and therefore not used often?
Why does Bacitracin come in an ointment instead of a solution?
Why does Bacitracin come in an ointment instead of a solution?
Which antibiotic is commonly associated with MRSA (Methicillin-resistant Staphylococcus aureus)?
Which antibiotic is commonly associated with MRSA (Methicillin-resistant Staphylococcus aureus)?
Which antibiotic belongs to the penicillin class and is combined with clavulanate to enhance its effectiveness?
Which antibiotic belongs to the penicillin class and is combined with clavulanate to enhance its effectiveness?
Which antibiotic inhibits bacterial cell wall synthesis and is commonly used to treat various infections?
Which antibiotic inhibits bacterial cell wall synthesis and is commonly used to treat various infections?
What is the main mechanism of action for cephalosporins?
What is the main mechanism of action for cephalosporins?
Among the different generations of cephalosporins, which generation exhibits greater efficacy against resistant organisms?
Among the different generations of cephalosporins, which generation exhibits greater efficacy against resistant organisms?
What is the spectrum of activity for cephalosporins?
What is the spectrum of activity for cephalosporins?
What is the main method of resistance to cephalosporins?
What is the main method of resistance to cephalosporins?
Which adverse reaction is more likely to be seen with cephalosporins?
Which adverse reaction is more likely to be seen with cephalosporins?
Which penicillin is resistant to penicillinase and is NOT inactivated by bacterial penicillinase enzyme?
Which penicillin is resistant to penicillinase and is NOT inactivated by bacterial penicillinase enzyme?
What is the clinical use of dicloxacillin?
What is the clinical use of dicloxacillin?
What is the recommended dose of dicloxacillin for internal hordeolum treatment?
What is the recommended dose of dicloxacillin for internal hordeolum treatment?
What is the appropriate dosage of amoxicillin/clavulanate for a 56 lb child?
What is the appropriate dosage of amoxicillin/clavulanate for a 56 lb child?
What is the calculated daily dose of amoxicillin for the 56 lb child?
What is the calculated daily dose of amoxicillin for the 56 lb child?
What is the purpose of adding clavulanate to amoxicillin?
What is the purpose of adding clavulanate to amoxicillin?
What role does clavulanate play in the combination drug Augmentin?
What role does clavulanate play in the combination drug Augmentin?
For which condition is amoxicillin/clavulanate recommended as a treatment according to the text?
For which condition is amoxicillin/clavulanate recommended as a treatment according to the text?
What is the recommended dose of amoxicillin/clavulanate for an adult with preseptal cellulitis?
What is the recommended dose of amoxicillin/clavulanate for an adult with preseptal cellulitis?
What enzyme inactivates amoxicillin and is protected by clavulanate?
What enzyme inactivates amoxicillin and is protected by clavulanate?
In what form is Augmentin available?
In what form is Augmentin available?
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