Select one:a.Sensitivityb.Validityc.SpecificityFeedbackThe correct answer is: ValidityQuestion 2CorrectMark 1.00 out of 1.00Downloaded by Hannah K ([email protected])lOMoARcPSD|9965060

Flag questionQuestion textDo odds ratios have units?Select one:a.Yesb.Noc.Yes and nod.None of the aboveFeedbackThe correct answer is: NoQuestion 3CorrectMark 1.00 out of 1.00Flag questionQuestion textCalculate sensitivity:Use the figure below to answer the question.Downloaded by Hannah K ([email protected])lOMoARcPSD|9965060

DownSyndromeNo DSTest +569Test -0183551904Select one:a.5/ (5 + 0)b.1835/69 +1835)c.5/1904d.1835/5FeedbackThe correct answer is: 5/ (5 + 0)Question 4CorrectMark 1.00 out of 1.00Flag questionQuestion text__________ is the ability of the test to identify correctly those who do not have the disease.Select one:a.SensitivityDownloaded by Hannah K ([email protected])lOMoARcPSD|9965060

b.Validityc.SpecificityFeedbackThe correct answer is: SpecificityQuestion 5CorrectMark 1.00 out of 1.00Flag questionQuestion text__________ is the ability of the test to identify correctly those who have the disease.Select one:a.Sensitivityb.Validityc.SpecificityFeedbackThe correct answer is: SensitivityQuestion 6CorrectMark 1.00 out of 1.00Downloaded by Hannah K ([email protected])lOMoARcPSD|9965060

Flag questionQuestion textCalculate positive predictive value.Use the figure below to answer the question.DownSyndromeNo DSTest +569Test -0183551904Select one:a.5/(5+69)b.5/(5+1904)c.69/ 1835d.69/1904FeedbackThe correct answer is: 5/(5+69)Question 7CorrectMark 1.00 out of 1.00Downloaded by Hannah K ([email protected])lOMoARcPSD|9965060

Flag questionQuestion textThe following are the objectives of epidemiology.Select one:a.To determine the extent of disease found in communityb.To study the natural history and prognosis of diseasec.To identify the etiology or cause of diseasesd.A and Be.All the aboveFeedbackThe correct answer is: All the aboveQuestion 8CorrectMark 1.00 out of 1.00Flag questionQuestion textThe ability of the test to identify correctly those who do not have the disease is:Select one:Downloaded by Hannah K ([email protected])lOMoARcPSD|9965060

a.Sensitivityb.Specificityc.A and Bd.None of the aboveFeedbackThe correct answer is: SpecificityQuestion 9CorrectMark 1.00 out of 1.00Flag questionQuestion textCalculate specificity for screening test.Use the figure below to answer the question.DownSyndromeNo DSTest +569Test -0183551904Select one:a.Downloaded by Hannah K ([email protected])lOMoARcPSD|9965060

69/5b.5/69c.5/ (5 + 0)d.1835/69 +1835)FeedbackYour answer is correct.The correct answer is: 1835/69 +1835)Question 10CorrectMark 1.00 out of 1.00Flag questionQuestion textCalculate negative predictive value:Use the figure below to answer the question.DownSyndromeNo DSTest +2030Downloaded by Hannah K ([email protected])lOMoARcPSD|9965060

Test -60407070Select one:a.40/ (40 + 60)b.

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