Violation
Tetracyclines 1. have no side effects. 2. may increase susceptibility to superinfections. 3. are safe to use during pregnancy. 4. have a wide spectrum of antibacterial activity.
(2) and (4)
(4) only
All of the above
(1) (2) (3)
(1) and (3)
Tetracyclines 1. have no side effects. 2. may increase susceptibility to superinfections. 3. are safe to use during pregnancy. 4. have a wide spectrum of antibacterial activity.
(2) and (4)
(4) only
All of the above
(1) (2) (3)
(1) and (3)