Multiple Choice
A new assay is used to test 120 samples from patients with a clinically confirmed diagnosis of the relevant infection and 50 samples from healthy control subjects.The test results were positive for 90 of the infected patients and positive for 10 of the healthy controls.
-Calculate the positive predictive value of the assay.
A) 57%
B) 75%
C) 80%
D) 90%
Correct Answer:
Verified
Correct Answer:
Verified
Q11: A blood sample is processed,and the resulting
Q12: A patient's serum must be added to
Q13: The concentration of a solution is reduced
Q14: A new assay is used to test
Q15: What type of pipette must be blown
Q16: How should a 1:50 dilution be made
Q17: If complement interferes with test results,the serum
Q18: If there will be an unavoidable 4-hour
Q19: On a serial dilution with the following
Q20: To prepare 70 ml of a 10%