Question 80

Daptomycin is an antibiotic.

Daptomycin is a lipopeptide antibiotic used to treat bacterial infections, particularly those caused by Gram-positive organisms. It works by disrupting bacterial cell membrane function.

A) Daptomycin

Daptomycin is a correct choice as it is classified as an antibiotic specifically designed to treat infections caused by certain bacteria. It is effective against resistant strains, making it a vital option in antibiotic therapy.

B) Acyclovir

Acyclovir is not an antibiotic; it is an antiviral medication used primarily to treat infections caused by certain types of viruses, such as herpes simplex and varicella zoster. Its mechanism of action targets viral replication, which is distinct from the action of antibiotics.

C) Oxytocin

Oxytocin is a hormone, not an antibiotic. It is mainly used in medical settings to induce labor and manage postpartum hemorrhage. Its function is related to reproductive health and does not involve the treatment of bacterial infections.

D) Phenazopyridine

Phenazopyridine is a urinary analgesic, not an antibiotic. It is used to relieve pain and discomfort caused by urinary tract irritations. While it may be prescribed alongside antibiotics for urinary infections, it does not possess antibacterial properties itself.

Conclusion

Daptomycin is definitively the correct answer as it is the only option among the choices that serves as an antibiotic, targeting bacterial infections effectively. The other options serve different purposes in medical treatment, focusing on viral infections, hormonal functions, or pain relief, thereby failing to qualify as antibiotics.