What McFarland standard provides turbidity comparable to that of a bacterial suspension containing approximately 1.5 $\times$ 10⁸ colony-forming units (CFU)/mL? A) 1.0 B) 1.5 C) 0.5 D) 2.0

Question

Quizplus · Accepted Answer

The McFarland standard of 0.5 provides turbidity comparable to a bacterial suspension containing approximately 1.5 x 10^8 CFU/mL, which is the same as the bacterial suspension mentioned in the question. Therefore, the correct choice is C.

What McFarland Standard Provides Turbidity Comparable to That of a Bacterial