Which of the following statements about cephalosporins is true? a. they're often used long-term by patients who suffer from severe acne. b. they're associated with significant ototoxicity and nephrotoxicity. c. they contain a beta-lactam ring. d. they're bacteriostatic

Answer

Hi,

Correct answer option is {c} They contain a beta-lactam ring

Explanation

Cephalosporins are broad spectrum antibiotics that contain a beta-lactam ring that prevents bacteria cell wall synthesis through binding to penicillin-binding proteins. A beta lactam ring being part of the core structure in antibiotic families function is to inhibit bacteria biosynthesis.

Good Luck!

the ecg findings of an acute anterior myocardial infarction wall include: st segment elevation in the anterior leads (v3 and v4) at the j point and sometimes in the septal or lateral leads, depending on the extent of the mi. this st segment elevation is concave downward and frequently overwhelms the t wave.

explanation: