Which of the following antibiotics is classified as a penicillin?
Vancomycin
Ciprofloxacin
Amoxicillin
Azithromycin
#2
Which of the following antibiotics is commonly used to treat urinary tract infections?
Clindamycin
Trimethoprim-sulfamethoxazole
Doxycycline
Erythromycin
#3
What is the mechanism of action of beta-lactam antibiotics?
Inhibition of cell wall synthesis
Inhibition of protein synthesis
Disruption of cell membrane integrity
Inhibition of DNA gyrase
#4
Which antibiotic is commonly associated with the development of pseudomembranous colitis?
Ciprofloxacin
Clindamycin
Gentamicin
Azithromycin
#5
Which of the following antibiotics is commonly used to treat Methicillin-resistant Staphylococcus aureus (MRSA) infections?
Cephalexin
Linezolid
Levofloxacin
Doxycycline
#6
What is the mechanism of action of macrolide antibiotics?
Inhibition of cell wall synthesis
Inhibition of protein synthesis
Disruption of cell membrane integrity
Inhibition of DNA gyrase
#7
Which antibiotic is commonly used as a prophylactic treatment for bacterial endocarditis before dental procedures in patients with specific cardiac conditions?
Ceftriaxone
Metronidazole
Clindamycin
Amoxicillin
#8
Which antibiotic class carries the risk of causing irreversible ototoxicity?
Aminoglycosides
Tetracyclines
Macrolides
Fluoroquinolones
#9
Which of the following antibiotics is NOT bactericidal?
Penicillins
Quinolones
Sulfonamides
Tetracyclines
#10
Which antibiotic is commonly used to treat Clostridium difficile infections?
Vancomycin
Ciprofloxacin
Metronidazole
Azithromycin
#11
Which of the following antibiotics is commonly associated with photosensitivity reactions?
Cephalexin
Ciprofloxacin
Erythromycin
Clindamycin
#12
Which antibiotic class is known for its activity against anaerobic bacteria and is commonly used to treat intra-abdominal infections?