HESI RN · Epidemiology Test Questions and Answers PDF
Question 1 of 82
Explain the purposes of blinding and randomization in clinical trials.
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Question 2 of 82
Which of the following statements about alcoholism is true?
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Question 3 of 82
Govt. of Nepal formulated the Drug act in:
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Question 4 of 82
The term 'etiology' refers to:
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Question 5 of 82
A woman is sitting in a corner of the clinical waiting room, crying audibly. The nurse asks, “What’s wrong? Can I help?†The woman responds, “They just told me I have a positive mammogram and I need to see my doctor for follow-up tests. I know I’m going to die of cancer. How can I tell my family?†Which of the following information does the nurse need to know in order to help the woman cope with this finding?
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Question 6 of 82
First and foremost, element of PHC is
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Question 7 of 82
What is the primary way to reduce information bias in a study?
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Question 8 of 82
Which of the following actions would a nurse take to reduce the high incidence of coronary
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Question 9 of 82
‘Bitot's spot' is the characteristic feature of............... deficiency
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Question 10 of 82
Cigarette smoking increases the risk of acquiring cancers of all the following EXCEPT
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Question 11 of 82
Date of establishment of EPI is
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Question 12 of 82
Common uses and applications of public health surveillance include which of the following? (Choose one wrong answer)
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Question 13 of 82
Which of the following is an indicator of degree of age heaping?
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Question 14 of 82
What is the etiologic fraction of disease due to smoking among individuals with coronary thrombosis?
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Question 15 of 82
Sentinel surveillance indicates
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Question 16 of 82
True statements about complications of appendicitis include all the following EXCEPT
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Question 17 of 82
Which is correct?
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Question 18 of 82
To whom should a physician report a suspected cholera case?
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Question 19 of 82
Which of the following patients is most likely to have a stroke within a year?
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Question 20 of 82
Define the following terms: Oral/dental epidemiology
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Question 21 of 82
The parameter that can be used to obtain the best estimate of the prevalence of dental caries is
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Question 22 of 82
In an analytical study, the main focus is on:
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Question 23 of 82
What is meant by morbidity and mortality in epidemiology?
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Question 24 of 82
Which food is the most likely culprit? [Referring to data in Q19: Ate Specified Food vs. Did Not Eat Specified Food]
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Question 25 of 82
A spot map is particularly useful for displaying:
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Question 26 of 82
Preparation of Super flour can be best done with
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Question 27 of 82
What are focus areas of nutritional epidemiology?
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Question 28 of 82
Which of the following is an example of an observational study?
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Question 29 of 82
ICPD focus on
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Question 30 of 82
In any study, selection bias interfere:
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Question 31 of 82
What type of study design is most suitable for establishing a cause-and-effect relationship?
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Question 32 of 82
Define and give the formulas for attack rate, secondary attack rate, and CFR.
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Question 33 of 82
Which is a fairly recent surprise regarding infectious diseases in the United States?
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Question 34 of 82
Key sources of morbidity data include which of the following? (Choose one wrong answer)
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Question 35 of 82
Define in your own words the term 'epidemiologic transition'.
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Question 36 of 82
Factors that influence a health department’s decision whether or not to conduct a field investigation in response to one or more cases of disease include: (Choose one wrong answer)
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Question 37 of 82
What type of study is the public health nurse using to collect exposure and lifestyle information to assess the relationship between these factors and consequent occurrence of disease?
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Question 38 of 82
Which of the following requires more than one variable?
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Question 39 of 82
A community health nurse determined exactly how many cases of a particular disease were currently occurring in the community. Which action should the nurse take before determining what interventions should be planned?
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Question 40 of 82
Burden of disease is measured by:
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Question 41 of 82
In which stage of disease progression would the nurse classify a client who has elevated blood pressure but no symptoms?
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Question 42 of 82
What does the term 'confounder' refer to in epidemiology?
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Question 43 of 82
A nurse believes a new mouth care procedure (MCP) is causing more mouth problems than it
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Question 44 of 82
Which of the following can improve the positive predictive value of a test?
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Question 45 of 82
Which manifestation would the nurse include when teaching about mild to moderate food poisoning at a community health fair?
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Question 46 of 82
Identify challenges and opportunities for epidemiology from hazardous waste sites.
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Question 47 of 82
To study the causes of an outbreak of aflatoxin poisoning in Africa, investigators conducted a case-control study with 40 case-patients and 80 controls. Among the 40 poisoning victims, 32 reported storing their maize inside rather than outside. Among the 80 controls, 20 stored their maize inside. The resulting odds ratio for the association between inside storage of maize and illness is:
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Question 48 of 82
A spot map must reflect numbers; an area map must reflect rates.
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Question 49 of 82
Compare ecologic, cross-sectional, and case-control studies with respect to their strengths and weaknesses, and advantages and disadvantages.
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Question 50 of 82
Which of the following factors may contribute to development of chronic bronchitis?
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Question 51 of 82
Which of the following statements correctly describes emotional disturbances of the postpartum period?
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Question 52 of 82
Which of the following can help control confounding in an epidemiological study?
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Question 53 of 82
Indirect transmission includes which of the following? (Choose one wrong answer)
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Question 54 of 82
A nurse is investigating a bacterial illness that has caused a health problem in the community. Only some of the people exposed to the bacteria have become ill. Which of the following factors best explains why this would have happened?
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Question 55 of 82
Underreporting is not a problem for detecting outbreaks of notifiable diseases because the proportion of cases reported tends to remain relatively stable over time.
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Question 56 of 82
Sensitivity of a diagnostic test is defined as:
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Question 57 of 82
An example of secondary prevention in infectious diseases is:
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Question 58 of 82
The algebraic relationship between the variance and standard deviation is that:
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Question 59 of 82
Which is the most effective way to determine if Healthy People 2020 is improving the health of Americans?
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Question 60 of 82
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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Question 61 of 82
The Iowa Women's Health Study, which enrolled women and collected exposure data, is an example of which type of study?
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Question 62 of 82
Whenever a shopkeeper wants to stock the goods he sells he always looks to:
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Question 63 of 82
What is a risk factor?
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Question 64 of 82
when group do not became able to to make decision,then there should be:
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Question 65 of 82
A nurse reports that in comparison to all the children in a particular school, the children who
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Question 66 of 82
Which type of study design is often used for hypothesis generation?
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Question 67 of 82
The measure of central location most commonly used with the standard deviation is the:
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Question 68 of 82
True statements about occupational asthma include which of the following?
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Question 69 of 82
Define the following terms: dose–response curve
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Question 70 of 82
A community health clinic put a tax levy on the ballot. An angry man asks a nurse, 'How can you ask me to pay taxes to buy immunizations for parents who do not want to pay for their kids to get their shots?' Which is the most appropriate response by the nurse?
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Question 71 of 82
In which of the following study relative risk is calculated?
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Question 72 of 82
Which disease does the elementary school nurse identify as being spread via airborne transmission?
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Question 73 of 82
In pilot phase of research, which of the technique is economical and easy for data collection?
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Question 74 of 82
All the following are independently associated with poor prognosis in colon cancer EXCEPT
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Question 75 of 82
A study in which children are randomly assigned to receive either a newly formulated vaccine or the currently available vaccine, and are followed to monitor for side effects and effectiveness of each vaccine, is an example of which type of study? (Choose one wrong answer)
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Question 76 of 82
Bingo is
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Question 77 of 82
The most common asbestos-related tumor in humans is
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Question 78 of 82
What is the purpose of a control group in an epidemiological study?
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Question 79 of 82
Which is the most common way that a local health department uncovers outbreaks?
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Question 80 of 82
Using only the data shown below for deaths attributed to Alzheimer's disease and to pneumonia/influenza, which measure(s) can be calculated?
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Question 81 of 82
If the mean is 220 and the standard error is 10 the 95% confidence limits would be:
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Question 82 of 82
A public health nurse found that out of the 70 people who ate the potato salad at a school picnic, 63 developed symptoms of food poisoning. Which of the following best describes the attack rate?
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