Which type of bias occurs when the selection of participants into a study is related to both the exposure and the outcome?
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ATI RN · Epidemiology Multiple Choice Questions
Question 2 of 38
Although the etiology of adult rheumatoid arthritis is not known, studies of its epidemiology have shown that
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ATI RN · Epidemiology Multiple Choice Questions
Question 3 of 38
Which of the following statements about emphysema is true?
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ATI RN · Epidemiology Multiple Choice Questions
Question 4 of 38
The Iowa Women's Health Study, in which researchers enrolled 41,837 women in 1986 and collected exposure and lifestyle information to assess the relationship between these factors and subsequent occurrence of cancer, is an example of which type(s) of study? (Choose one wrong answer)
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ATI RN · Epidemiology Multiple Choice Questions
Question 5 of 38
Chronic barbiturate abuse is particularly common among
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ATI RN · Epidemiology Multiple Choice Questions
Question 6 of 38
What does the term 'confounding' mean in epidemiology?
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ATI RN · Epidemiology Multiple Choice Questions
Question 7 of 38
Public health surveillance is only conducted by public health agencies.
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ATI RN · Epidemiology Multiple Choice Questions
Question 8 of 38
In a case-control study, what is the purpose of matching cases and controls?
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ATI RN · Epidemiology Multiple Choice Questions
Question 9 of 38
The term 'population at risk' refers to:
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ATI RN · Epidemiology Multiple Choice Questions
Question 10 of 38
A physician working in an emergency room in Town A, USA, has just examined a tourist from Southeast Asia with watery diarrhea. The physician suspects the man might have cholera. The physician should notify the …
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ATI RN · Epidemiology Multiple Choice Questions
Question 11 of 38
An epidemiologist has written a summary of a food poisoning outbreak, including its cause and ways to prevent it from occurring in the future. Which best describes what has been done?
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ATI RN · Epidemiology Multiple Choice Questions
Question 12 of 38
What does a likelihood ratio of greater than 1 indicate?
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ATI RN · Epidemiology Multiple Choice Questions
Question 13 of 38
Among patients with intermittent claudication, all the following statements are true EXCEPT
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ATI RN · Epidemiology Multiple Choice Questions
Question 14 of 38
A nurse conducted a study of two skin lotions: (1) an inexpensive one and (2) an expensive one. The nurse found that there was a relative risk of 0.7 for skin sores using the inexpensive one and a relative risk of 1.2 using the expensive one. Which skin lotion should the nurse use?
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ATI RN · Epidemiology Multiple Choice Questions
Question 15 of 38
What is the primary limitation of a case-control study?
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Question 16 of 38
Randomised, controlled trials provide strong evidence that an observed effect is due to the intervention (the assigned exposure). One reason is because
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Question 17 of 38
In epidemiology, the measure of central location generally preferred for summarizing skewed data such as incubation periods is the:
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ATI RN · Epidemiology Multiple Choice Questions
Question 18 of 38
Which best describes the Tuskegee Syphilis Study?
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ATI RN · Epidemiology Multiple Choice Questions
Question 19 of 38
Exposure to benzene has been associated with all the following hematologic diseases EXCEPT
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Question 20 of 38
Common methods of identifying additional cases (expanding surveillance) as part of an outbreak investigation include: (Choose one wrong answer)
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Question 21 of 38
In a cohort study, the participants are selected based on their:
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Question 22 of 38
In a state that did not require varicella (chickenpox) vaccination, a boarding school experienced a prolonged outbreak of varicella among its students that began in September and continued through December. To calculate the probability or risk of illness among the students, which denominator would you use?
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Question 23 of 38
On an arithmetic-scale line graph, the x-axis and y-axis each should: (Choose one wrong answer)
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Question 24 of 38
Between 50 and 60 percent of fatal motor vehicle accidents in the United States are caused by drunk drivers, according to the Insurance Institute for Highway Safety. The most effective means to date of reducing drunk driving is
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Question 25 of 38
A number of passengers on a cruise ship from Puerto Rico to the Panama Canal have recently developed a gastrointestinal illness compatible with norovirus (formerly called Norwalk-like virus). Testing for norovirus is not readily available in any nearby island, and the test takes several days even where available. Assuming you are the epidemiologist called on to board the ship and investigate this possible outbreak, your case definition should include, at a minimum: (Choose one best answer)
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ATI RN · Epidemiology Multiple Choice Questions
Question 26 of 38
What is the focus of tertiary prevention?
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Question 27 of 38
Which of the following cancers has been associated with increasing age-adjusted mortality in the past 25 years?
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ATI RN · Epidemiology Multiple Choice Questions
Question 28 of 38
What is the purpose of an epidemiological study?
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ATI RN · Epidemiology Multiple Choice Questions
Question 29 of 38
The primary reason for preparing and distributing periodic surveillance summaries is which of the following?
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ATI RN · Epidemiology Multiple Choice Questions
Question 30 of 38
What is the main purpose of measuring disease prevalence?
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Question 31 of 38
In an analytical study, the main focus is on:
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Question 32 of 38
True statements about pneumoconiosis of coal workers (black lung) include which of the following?
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ATI RN · Epidemiology Multiple Choice Questions
Question 33 of 38
Which of the following statements about the statistics of suicide is correct?
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ATI RN · Epidemiology Multiple Choice Questions
Question 34 of 38
Which is the first step in preventing further spread of a particular sexually transmitted disease (STD)?
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Question 35 of 38
Disease control measures are generally directed at which of the following? (Choose one wrong answer)
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ATI RN · Epidemiology Multiple Choice Questions
Question 36 of 38
In the definition of epidemiology, 'distribution' refers to: (Choose one wrong answer)
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ATI RN · Epidemiology Multiple Choice Questions
Question 37 of 38
When a researcher deceives participants about the true nature of a study, they must:
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Question 38 of 38
What is the term for the time period when an infected person can transmit the disease to others?
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