Author Question: Which of the following is a commonly used definition of accuracy? A) The lowest concentration of ... (Read 132 times)

craiczarry · **on:** Jun 25, 2018

Which of the following is a commonly used definition of accuracy?

A) The lowest concentration of an analyte that can be distinguished from zero.
B) The closeness of agreement between the measured values of an analyte to its true value.
C) The ability to produce the same value to replicate measurements of the same sample.
D) The quality or state of being linear.

Question 2

A physician calls the microbiology department for the results of a lower respiratory culture of a 15-year-old female with cystic fibrosis.

The culture grows an oxidase-negative, motile, lysine-positive, non-lactose fermenter that presents as K/NC on TSI and an oxidase-positive, lysine-positive, non-lactose fermenter. Based on these results, you tell the physician she can potentially treat both organisms with
A) imipenem. B) polymyxin B.
C) an aminoglycoside. D) trimethoprim-sulfamethoxazole.