Precautions to reduce crystalluria during sulphonamides use is:

Correct Answer: C

Rationale: Alkalinization of urine enhances sulphonamide solubility, preventing crystal formation in the urinary tract.

Correct Answer: B

Rationale: Quinolones (e.g., ciprofloxacin) inhibit DNA gyrase, disrupting bacterial DNA replication.

Correct Answer: D

Rationale: Chloramphenicol is not used for tuberculosis, which requires specific drugs like isoniazid and rifampin.

Correct Answer: A

Rationale: First-generation cephalosporins (e.g., cefazolin) are relatively beta-lactamase resistant, unlike later generations with broader spectra.

Correct Answer: C

Rationale: Gentamicin causes nephrotoxicity and ototoxicity, not hemolytic anemia, which is not a typical side effect.