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2.    Fluoride varnish is the most practical, cost-effective…

2.    Fluoride varnish is the most practical, cost-effective and safest means of prevention for a large community population. 

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64.    According to the Dental Hygiene Code of Ethics, it is…

64.    According to the Dental Hygiene Code of Ethics, it is our ethical duty to maintain skills, avoid harmful treatment, and never abandon our patients so that we “do no harm” to our patients. This is best described as:a.    Nonmaleficenceb.    Autonomyc.    Beneficenced.    Justice

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43.    If the success of a program is evaluated by screening…

43.    If the success of a program is evaluated by screening patients again a year later to identify any future carious lesions, this would be an example of what type of study?a.    Prospective    b.    Retrospectivec.    Experimental d.    Cross-over

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19.    The three core functions of public health area.    st…

19.    The three core functions of public health area.    stratification, process, modificationb.    assessment, assurance, evaluationc.    determination, development, evaluationd.    assessment, policy development, assurance

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32.    There are 10 million HIV positive patients worldwide….

32.    There are 10 million HIV positive patients worldwide.  A new case occurs every 15-20 seconds.a.    The above statements describe mortality rates related to HIVb.    First statement is prevalence of HIV; second statement is incidencec.    First statement is incidence of HIV; second statement is prevalenced.    The above statements describe an endemic disease situation

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41.    Quantitative data refer to which of the following?a….

41.    Quantitative data refer to which of the following?a.    Information that cannot be numerically measured or analyzedb.    Descriptions of traditions and the history of a communityc.    Information that is objective and measurable d.    The amount of data collected

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39.    Two dental hygiene instructors are double checking th…

39.    Two dental hygiene instructors are double checking the work of a student in clinic. To evaluate probe depth measurements, the instructors must use a UNC probe. This is an example of:a.    Internal validityb.    External validityc.    Interrater reliabilityd.    Intrarater reliability

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21.    In a distribution of scores that is asymmetrical, the…

21.    In a distribution of scores that is asymmetrical, the distribution can be skewed due to extreme scores. What causes a positive skew? I.    More scores in the lower rangeII.    More scores in the higher range III.    Skewed right (the “tail” is skewed to the right)IV.    Skewed left (the “tail” is skewed to the left) a.    I & IIIb.    I & IVc.    II & IIId.    II & IV

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“2{“version”:”1.1″,”math”:”2″} is a multiple of 18{“version”…

“2{“version”:”1.1″,”math”:”2″} is a multiple of 18{“version”:”1.1″,”math”:”18″}.”

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True/False: “All prime numbers are odd.” If TRUE, click on t…

True/False: “All prime numbers are odd.” If TRUE, click on true. If FALSE, click on false and then on your paper name at least one prime number that is even. 

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