Crack NBoard Analizing scientific Lit

Which of the following represents the median of the data set: 1,1,1,2,3,3,4,4,5,6, (n=10; sum +30)

• A) 15

• B) 7

• C) 20

• D) 3

• E) 2

Which of the following represents the mode of the data set: 1,1,1,2,3,3,4,4,5,6 (n=10; sum +30)

• A) 3

• B) 30

• C) 1

• D) 7

• E) 2

A group of patients has been classified as completely free of disease based on diagnostic test results. These results demonstrate high?

• A) Repeatability

• B) Specificity

• C) Sensitivity

• D) Generality

• E) Precisions

The letter “D” in DMFS stands for?

• A) Diagnostic

• B) Demineralized

• C) Determined

• D) Decayed

• E) Deionized

Which of the following would describe a situation where a diagnostic test failed to identify several cases of true disease?

• A) True positive

• B) True negative

• C) False positive

• D) False negative

• E) None of the above

All of the following are parts of a scientific article abstract EXCEPT one. Which one is the EXCEPTION?

• A) Introduction

• B) Objective

• C) Coordination

• D) Results

• E) Material and methods

Which of the following terms describes the rate or range of occurrence of disease?

• A) Extent

• B) Incidence

• C) Attributable risk

• D) Prevalence

• E) Penetration

Which database is the best place to obtain current electronic dental literature?

• A) Pubmed-MEDLINE

• B) Lexis-Nexus

• C) Index to Dental Literature

• D) MEDLit

• E) Dental Abstracts

Which of the following terms most accurately describes the situation where a diagnostic test identified a disease or condition that did not exist?

• A) True positive

• B) True negative

• C) False positive

• D) False negative

• E) None of the above

Which of the following represents the median of the data set: 1,2,3,3,3,3,3,4,4,4 (n=10; sum +30)

• A) 15

• B) 7

• C) 20

• D) 3

• E) 2