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Spontaneous Mutations Occur in the B-Lactamase Genes That Result in Extended-Spectrum

Question 4

Multiple Choice

Spontaneous mutations occur in the b-lactamase genes that result in extended-spectrum β-lactamases (ESBL) .These ESBL inactivate:

A) Cephalosporins
B) Penicillins
C) Aztreonam
D) All of the above

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