Multiple Choice
A new screening test for Lyme disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Three hundred people are screened at a clinic during the first year the new test is implemented. (Assume the true prevalence of Lyme disease among clinic attendees is 10%.) The predictive value of a positive test is:
A) 33.0%.
B) 18.2%.
C) 94.0%.
D) 22.2%.
E) 6.0%.
Correct Answer:

Verified
Correct Answer:
Verified
Q9: Figure 11-12 represents different combinations and qualities
Q10: A screening examination was performed on 250
Q11: Specificity refers to the ability of a
Q12: Which of the following are the adverse
Q13: Lead time bias is best described as:<br>A)
Q15: Figure 11-12 represents different combinations and qualities
Q16: Cataracts of the eye may be difficult
Q17: A test that determines whether disease is
Q18: The degree of agreement among several trained
Q19: Reliability refers to the ability of a