Epidemiology
Boston University School Of Medicine
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Epidemiology Final Exam- Study Guide- 133 questions- with complete solutions
- Exam (elaborations) • 11 pages • 2023
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What is osteopenia? correct answer: Unusually low bone mass that leads to osteoporosis 
 
What is osteoporosis? correct answer: A disease characterized by abnormal bone loss 
 
When and how is osteoporosis detected? correct answer: - In 990-970 BC 
- Bone mass is measured by dual energy X-ray absorptiometry (DEXA) or CT scan 
 
What is the most common method of detection? correct answer: DEXA or CT scan 
 
What are the anatomical sites used during detection? correct answer: lumbar spine, pr...
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Public Health Epidemiology Final Exam| 124 questions| with complete solutions
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Epidemiology correct answer: Cornerstone of public health 
Focuses on the distribution and causes of disease (in time and place) in human populations and on developing and testing ways to prevent and control disease 
Tries to determine cause and effect 
If we understand a disease/what causes it/risk factors, then we should be able to figure out how to prevent it 
Population science 
To implement prevention, we must understand causation 
 
Epidemiologic Transition correct answer: The trans...
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Epidemiology 3 questions with complete solutions
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Confounding correct answer: A factor that is connected to two other factors that makes the other two factors appear related even though they are not; distort the apparent relationship between the exposure and the outcome 
 
Comparing populations correct answer: Combining two population frequencies into a single summary parameter to estimate the association between exposure and disease 
 
Relative risk correct answer: A ratio of disease frequencies for two populations, which indicates how much...
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Epidemiology Final Exam| 60 questions| with complete solutions
- Exam (elaborations) • 8 pages • 2023
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Case-Control design for exposure and outcome study base 
Study basis is determined by following up retrospectively 
Four Case-control study steps after determining exposure and outcome study base 
1.Find cases 
2.Match for control 
3.Measure exposure 
late odds ratio 
Who are the cases and controls 
Cases: people with outcome 
Control:representative of all persons with out disease in population 
Exaggerating effect size (relative vs absolute risk) 
Relative risk reduction: makes effect size seem...
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Epidemiology Final Exam| 60 questions| with complete solutions
- Exam (elaborations) • 10 pages • 2023
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A disease transmitted through a mosquito bite is an example of ______ transmission. 
 
Active 
Passive 
Direct 
Indirect correct answer: Indirect 
 
In an outbreak investigation, which of the following measures might be calculated? 
 
Attack rate 
Case-fatality rate 
Relative risk 
All of the above correct answer: All of the above 
 
Concerning a host during an epidemic, which is NOT true? 
 
The infectious agent grows inside the host 
The host need not be human 
The host is always infected ...
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Epidemiology exam qbank| 228 questions| with complete solutions
- Exam (elaborations) • 32 pages • 2023
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Broncoville has a population of 100,000. In 2011, there 1,000 deaths in the population from all causes. There were 300 cases of tuberculosis (TB) identified. In 2011, 110 people died of TB. What is the cause-specific mortality rate per 1,000 population? correct answer: 1.10 TB deaths per 1,000 population in 2011 
 
All proportions are ratios, but not all ratios are proportions. correct answer: True 
 
In a recent study of dental erosion in 5-year-old children, 202 healthy school-attending chil...
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Epidemiology Final exam review| 51 questions| with complete solutions
- Exam (elaborations) • 5 pages • 2023
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mortality rate correct answer: Total no of deaths from all causes in year/No of persons in the population at midyear 
*time must be specified* 
 
cause specific mortality rate correct answer: - limiting the rate of death to a certain disease 
- No of deaths from lung cancer in one year/ No of persons in the population at midyear 
 
case-fatality rate correct answer: - % of people who have a certain disease die within a certain time after diagnosis 
- measure severity of the disease 
- No of i...
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Epidemiology Final Exam| 137 questions| with complete solutions
- Exam (elaborations) • 13 pages • 2023
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How should you report a calculated period prevalence = 0.0074 for multiple sclerosis? The data were collected over 3 years. Report the 3-year period prevalence. correct answer: The prevalence of multiple sclerosis over 3 years was 0.74%. 
 
Epidemiology is the study of the [1________________] and [2_________________] of disease, health, disability, and injuries in [3________________]. correct answer: 1. distribution 
2. determinants 
3. populations 
 
Temperatures below 20°C (68°F) effectiv...
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Epidemiology Final Exam| 109 questions| with complete solutions
- Exam (elaborations) • 8 pages • 2023
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A map displaying the geographic distribution of disease is called a correct answer: Spot map 
 
An epidemiologist receiving routine disease reports from a network of physician offices and laboratories and maintaining a database of these reports would be correct answer: Public Health Surveillance 
 
A case definition should be correct answer: Carefully crafted to include all potential cases, but not so vague as to include individuals suffering from "other" diseases 
 
The hallmark feature of...
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