Antimicrobial Resistance — MCQs

The initial origin of new drug resistance genes in bacteria most commonly occurs due to:

The mechanism of direct transfer of free DNA involves _____

The molecular basis of penicillin resistance in *S. pneumoniae* is:

The most common mechanism of resistance to drugs in Staphylococcus is

What is the mechanism of resistance in MRSA?

All of the following are true about methicillin resistance in MRSA, except:

Extended-spectrum beta-lactamases (ESBLs) are characterized by activity against all except :

All are false about tigecycline, except:-

Why does Mycoplasma genitalium show a higher rate of antimicrobial resistance compared to other STI pathogens?

A 31-year-old man presents with dysuria and urethral discharge. Gram stain shows intracellular gram-negative diplococci. Local resistance patterns show 28% quinolone resistance. Which of the following most appropriately guides empiric therapy selection?