USMLEGladiator
2009 & still in race
Topics: 136
Posts: 510
|
40. A study is conducted to investigate the prevalence of past infection with genital herpes among students attending a large coeducational Midwestern university. After obtaining informed consent, the study participants undergo antibody testing for herpes simplex virus 2 (HSV). Which of the following is the most important factor in determining the validity of a positive test?
A) The number of sexual partners of the student
B) The proportion of students infected with HSV
C) The proportion of students with negative tests
D) The proportion of students with positive tests
E) The total number of students screened
___________________
Chance favors only the prepared mind. - Louis Pasteur.
|
| liliaeliz
Forum Guru
Topics: 49
Posts: 450
|
e
___________________
sos el sol de mis dias
|
| USMLEGladiator
2009 & still in race
Topics: 136
Posts: 510
|
???
___________________
Chance favors only the prepared mind. - Louis Pasteur.
|
| USMLEGladiator
2009 & still in race
Topics: 136
Posts: 510
|
BBBBBBBB
___________________
Chance favors only the prepared mind. - Louis Pasteur.
|
| cherryho
Forum Guru
Topics: 30
Posts: 584
|
What's the correct answer?
___________________
99/99/Pass; Certified; 2003; US PhD; 2M US clerkships; GC; Chance favors only the prepared mind. - Louis Pasteur
|
| paheli
It'sAllAboutGoodKarma
Topics: 197
Posts: 2,720
|
It's B.
The qn asks for Positive Predictive Value which is dependant on incidence [while Specificity and Sensitivity are only dependant on the test itself]
___________________
Prepare as if you're the worst, Perform as if you're the best! As you dream, so you manifest. So, DREAM BIG!! When you face hardship, remember, God never gives you more than you can handle. Keep your face to the sunshine and you cannot see the shadows. Internship, Here I come!!
|
|
| |
| | | | | | |
Similar forum topics