Multiple Choice
Assume that a certain test for group A Streptococcus has reported sensitivity and specificity of 90% and 98%, respectively, and the estimated prevalence for group A Streptococcus infection in acute pharyngitis is 5%. What is the PPV of this test?
A) 99.5%
B) 30%
C) 90%
D) 70.3%
Correct Answer:

Verified
Correct Answer:
Verified
Q21: Multiple unlabeled specimen have been sent to
Q22: The following are provisions of CLIA 88,
Q23: When is a broken process fixed?<br>A) When
Q24: A test is performed on a group
Q25: When performing tests in the microbiology laboratory,
Q27: All of the following activities are included
Q28: Susceptibility testing of control organisms is usually
Q29: Usually, negative test results are more reliable
Q30: All the following are components of TJC
Q31: Media that do not need to be