What is the mechanism of action used by cephalosporins in the treatment of bacterial infections?
inhibition of protein synth
Inhibition of DNA replication
Inhibition of cell wall synthesis
Inhibition of folic acid synthesis
The Correct Answer is C
A. Inhibition of protein synthesis is the mechanism of action for other classes of antibiotics, such as tetracyclines and macrolides.
B. Inhibition of DNA replication is characteristic of fluoroquinolones.
C. Cephalosporins work by inhibiting cell wall synthesis, leading to bacterial lysis and death. This mechanism is critical for their effectiveness against a wide range of bacterial infections.
D. Inhibition of folic acid synthesis is primarily associated with sulfonamides.
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Related Questions
Correct Answer is D
Explanation
A. Using the same antibiotic for every infection can promote resistance, as it does not consider the specific pathogens or susceptibility patterns.
B. Prescribing antibiotics for every suspected infection can lead to overuse and unnecessary exposure to antibiotics, increasing the risk of resistance.
C. Encouraging self-medication with antibiotics can result in inappropriate usage and contribute to the development of resistant bacteria.
D. Educating healthcare providers and patients about appropriate antibiotic use is crucial in minimizing antibiotic resistance. This education helps ensure that antibiotics are prescribed only when necessary and used correctly, which can reduce the development of resistant strains of bacteria.
Correct Answer is ["B","C","E"]
Explanation
A. Screening for high blood pressure is an example of secondary prevention, aimed at early detection.
B. Physical therapy for stroke patients is an example of tertiary prophylaxis as it helps restore function and prevent further complications after a stroke.
C. Management of chronic pain in arthritis is also tertiary prevention as it focuses on managing symptoms and improving quality of life after the onset of a chronic condition.
D. Vaccination for hepatitis B is an example of primary prevention, aimed at preventing the onset of disease.
E. Cardiac rehabilitation after a myocardial infarction is aimed at recovery and preventing further cardiac events, fitting into the category of tertiary prevention.
F. Hand hygiene promotion is also a form of primary prevention to reduce infection risk.
G. Routine mammograms are examples of secondary prevention, aimed at early detection.
H. Healthy diet counseling is an example of primary prevention, aimed at preventing the onset of disease.
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