MCAT Question of the Day
    •

    Q:

    		 S. aureus is a ubiquitous microorganism found on human skin that can cause infection. Strains of the bacterium can be resistant to various common antibiotics including methicillin, making the infections particularly difficult to treat. This suggests that

    I. antibiotic-resistant bacteria are more virulent than non-resistant bacteria
    II. immunocompromised individuals are susceptible to infection by both antibiotic-resistant and non-resistant strains of S. aureus
    III. an individual infected with non-resistant strains will not benefit from treatment with antibiotics
    		 

    A

    		 II only

    B

    		 I and II only

    C

    		 II and III only

    D

    		 I, II, and III



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