Which antimicrobial inhibits bacterial protein synthesis by binding to the 50S ribosomal subunit?
Correct answer: A. Erythromycin
- A. Erythromycin
- B. Gentamicin
- C. Doxycycline
- D. Amoxicillin
Explanation
Erythromycin is a macrolide that binds to the 50S subunit and blocks bacterial protein synthesis. Gentamicin and doxycycline act at the 30S subunit, while amoxicillin interferes with the bacterial cell wall.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Antimicrobial Drugs
Antimicrobial pharmacology covers antibiotics, antitubercular, antifungal, antiviral and antiparasitic drugs, including their targets, clinical uses, resistance and major adverse effects. Questions distinguish bactericidal from bacteriostatic action, narrow from broad spectrum therapy, and antimicrobial treatment from supportive management of infection.
Practise Antimicrobial Drugs
50 free Antimicrobial Drugs MCQs from Nursing Pharmacology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Nursing Pharmacology questions like this
Nursing Pharmacology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Antimicrobial Drugs questions
A patient is prescribed oral fluconazole for a fungal infection and also takes warfarin. Which nursing action is most appropriate?
Which statement by a patient taking antiretroviral medicines shows correct understanding of adherence?
A patient taking amphotericin B develops fever, chills and rigors during the infusion. Which nursing action is most appropriate?
A patient asks why antibiotics are not prescribed for an uncomplicated viral common cold. Which response by the nurse is best?
Why are several antimicrobial drugs given together during the initial treatment of active tuberculosis?
A patient is prescribed permethrin cream for scabies. Which instruction should the nurse give?