Amoxicillin | Bacterial Targets, Mechanism of Action, Adverse Effects | Antibiotic Lesson

The video tutorial discusses amoxicillin, a beta-lactam antibiotic, its bacterial targets, and its mechanism of action, which involves inhibiting bacterial cell wall synthesis. It addresses antibiotic resistance through the use of clavulanate, forming amoxiclav, which is effective against various bacteria. The video also covers contraindications and potential adverse effects of amoxicillin, including hypersensitivity reactions.

Which of the following bacteria is NOT a target of amoxicillin?

• Gram-negative aerobes

• Mycobacterium tuberculosis

• Listeria monocytogenes

• Gram-positive cocci

How does amoxicillin primarily exert its antibacterial effects?

• By inhibiting bacterial cell wall synthesis

• By inhibiting protein synthesis

• By disrupting DNA replication

• By interfering with RNA transcription

What is the role of penicillin-binding proteins in bacterial cells?

• They synthesize bacterial DNA

• They are involved in peptidoglycan cross-linking

• They are responsible for bacterial motility

• They transport nutrients across the cell membrane

What enzyme do bacteria produce to resist beta-lactam antibiotics?

• Protease

• Amylase

• Lipase

• Beta-lactamase

What is the purpose of combining clavulanate with amoxicillin?

• To overcome beta-lactamase resistance

• To enhance absorption

• To increase solubility

• To reduce side effects

Which condition is a contraindication for using amoxicillin?

• Mild headache

• Mild skin rash

• Previous anaphylaxis to beta-lactams

• Seasonal allergies

Which of the following is a rare but possible adverse effect of amoxicillin?

• Improved vision

• Increased appetite

• Dental discoloration

• Hair growth