alleryStart learning →MRSA takes its name from resistance to which set of drugs?
AOnly to antifungal and antiviral drugs
BTo disinfectants but not to antibiotics
CTo methicillin, penicillin and oxacillin
DTo every antibiotic ever developed
Answer & Solution
Correct answer: C. To methicillin, penicillin and oxacillin
1. MRSA stands for methicillin-resistant Staphylococcus aureus, a very dangerous strain of a common bacterium.
2. It resists many commonly used antibiotics, including methicillin, amoxicillin, penicillin and oxacillin.
3. It can infect skin and also the bloodstream, lungs, urinary tract or sites of injury.
4. Resistance here is to antibacterial drugs, so antifungal and antiviral agents are irrelevant.
5. Resistance covers many antibiotics but is not described as universal, so the last option overstates it.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 22 "Prokaryotes: Bacteria and Archaea", section 22.4 Bacterial Diseases in Humans_
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