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Regis NU-713 Midterm Exam Practice Questions and Answers

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Regis NU-713 Midterm Exam Practice Questions and Answers A colon cancer screening study is being conducted in Burkeshire, England. Individuals 50 to 75 years old will be screened with the Hemoccult test. In this test, a stool sample is tested for the presence of blood. The Hemoccult test has a ...

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Regis NU-713 Midterm Exam Practice
Questions and Answers



A colon cancer screening study is being conducted in Burkeshire, England. Individuals

50 to 75 years old will be screened with the Hemoccult test. In this test, a stool sample

is tested for the presence of blood. The Hemoccult test has a sensitivity of 70% and a

specificity of 75%. If Burkeshire has a prevalence of 12/1,000 for colon cancer, what is

the computed positive predictive value of the Hemoccult test? - ✔️✔️3.3%


Primary prevention - ✔️✔️Immunization, reducing exposure to a risk factor


Secondary prevention - ✔️✔️Screening for breast cancer


Tertiary prevention - ✔️✔️Rehabilitation after a surgical procedure


A physical examination was used to screen for breast cancer in 2,500 women with

biopsy-proven adenocarcinoma of the breast and in 5,000 age- and race-matched

control women. Results of the physical examination were positive, meaning that a mass

was palpated in 1,800 cases and in 800 control women, all of whom showed no

evidence of cancer at biopsy. The sensitivity of the physical examination was ________

percent. - ✔️✔️72%




1

, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Saturday, August 3, 2024 7:34 AM
WEST VIRGINIA UNIVERSIRTY- ( WV) : 26506


A program manager from an international health funding agency wants to identify

regions that would benefit from an intervention to reduce premature disability. The

program manager asks you to develop a proposal using an index that would assist in

making this decision. Which of the following would best serve this purpose to provide

the needed information? - ✔️✔️Disability-adjusted life-years


A research study reported a weighted Kappa statistic of Kappa = 0.86 between raters

(Kappa = 0.86). The reported Kappa statistic indicates ________. - ✔️✔️


Herd Immunity - ✔️✔️The resistance of a group of people to an attack by a disease to

which a large proportion of members of the group are immune


Incubation period - ✔️✔️The interval from receipt of infection to the time of onset of

clinical illness


Preclinical disease - ✔️✔️Disease that is not yet clinically apparent but will progress to

clinical disease


Persistent (chronic) disease - ✔️✔️Disease that persists for years and sometimes for

one's lifetime


A screening test is used in the same way in two similar populations, but the proportion

of false-positive results among those who test positive in population A is lower than that

among those who test positive in population B. The most likely explanation for this

finding is ________. - ✔️✔️the prevalence of disease is higher in population A




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