art ATreating Walking Pneumonia Mycoplasma pneumoniae is a b

art A-Treating Walking Pneumonia Mycoplasma pneumoniae is a bacterium that lacks a cell wall. It causes atypical pneumonia. Which O cloxacillin, because it is a penicillin that resists the activity of penicillin-degrading enzymes O cipronoxacin, because it inhibits an enzyme necessary for bacterial DNA replication vancomycin, because it binds and blocks the terminal two amino acids on the short peptide attached to O penicillin, because it inhibits the enzyme that cross-links peptidoglycan Submit Hints My Answers Give Up Review Part incorrect, Try Again; 5 attempts remaining Part B Treating Gram-negative Infections Many Gram-negative bacteria are naturally resistant to penicillin. Which of the following would make them n O producing a penicillin-degrading enzyme thicker layer of peptidoglycan

Solution

The correct answer is

ciprofloxacin, because it inhibits an enzyme necessary for bacterial DNA replication

Atypical pneumonia is a bacterial infection of upper and lower respiratory tract. This is caused by a bacteria, mycoplasma pneumonia. This bacteria can live in nose, lungs, trachea, etc. They do not have the cell walls, so they chnage shape depending on the environment.

There are many antibiotics that are used to treat mycoplasmal pneumonia. these include, macrolide antibiotics, fluoroquinolones, tetracyclins. The fluoroquinolones include the drugs ciprofloxacin, and levofoxacin.

Therefore, the correct answer is ciprofloxacin, because it inhibits an enzyme necessary for bacterial DNA replication.