Epidemiology homework | Science homework help

Question 1 of 25
4.0 Points
When assessing a positive relationship between alcohol consumption and oral cancer using a case-control study, increasing the sample size of the study will result in which of the followingReset Selection
Question 2 of 25
4.0 Points
The measure of the benefit to the population derived by modifying a risk factor is the:Reset Selection
Question 3 of 25
4.0 Points
An approach to estimating the effects due to the single exposure factor is to compute the:Reset Selection
Question 4 of 25
4.0 Points
A statistical association may be causal or noncausal. In addition, many diseases require that more than one factor be present for disease to develop. Examples of multiple causation models include:Reset Selection
Question 5 of 25
4.0 Points
You are investigating the role of physical activity in heart disease and suggest that physical activity protects against having a heart attack. While presenting these data to your colleagues, someone asks if you have thought about confounders such as factor X. This factor X could have confounded your interpretation of the data if itReset Selection
Question 6 of 25
4.0 Points
The strategy which is not aimed at reducing selection bias is:Reset Selection
Question 7 of 25
4.0 Points
Question 8 of 25
4.0 Points
Which of the following is not a method for controlling the effects of confounding in epidemiologic studiesReset Selection
Question 9 of 25
4.0 Points
Surgeons at Hospital A report that the mortality rate at the end of a one-year follow-up after a new coronary bypass procedure is 15%. At Hospital B, the surgeons report a one-year mortality rate of 8% for the same procedure. Before concluding that the surgeons at Hospital B have vastly superior skill, which of the following possible confounders would you examine?Reset Selection
Question 10 of 25
4.0 Points
Sensitivity and specificity of a screening test refer to its:Reset Selection
Question 11 of 25
4.0 Points
Question 12 of 25
4.0 Points
The adverse consequences of using a screening test which has a low specificity include:Reset Selection
Question 13 of 25
4.0 Points
The degree of agreement between several trained experts refers toReset Selection
Question 14 of 25
4.0 Points
A test that determines whether disease is actually present is a:Reset Selection
Question 15 of 25
4.0 Points
Question 16 of 25
4.0 Points
The epidemiological triangle considers which factor(s) in the pathogenesis of disease:Reset Selection
Question 17 of 25
4.0 Points
The Centers for Disease Control and Prevention published an article concerning the high rate of foot fungal disease in New Orleans. The article explains that there has been a high rate of foot fungal disease in New Orleans for decades. Foot fungal disease in New Orleans is best described asReset Selection
Question 18 of 25
4.0 Points
An attack rate is an alternative incidence rate that is used whenReset Selection
Question 19 of 25
4.0 Points
Question 20 of 25
4.0 Points
An outbreak of salmonellosis occurred after an epidemiology department luncheon, which was attended by 485 faculty and staff. Assume everyone ate the same food items. Sixty-five people had fever and diarrhea, five of these people were severely affected. Subsequent laboratory tests on everyone who attended the luncheon revealed an additional 72. The attack rate of salmonellosis was:Reset Selection
Question 21 of 25
4.0 Points
An outbreak of salmonellosis occurred after an epidemiology department luncheon, which was attended by 485 faculty and staff. Assume everyone ate the same food items. Sixty-five people had fever and diarrhea, five of these people were severely affected. Subsequent laboratory tests on everyone who attended the luncheon revealed an additional 72 cases. The virulence of salmonellosis was:
Reset Selection
Question 22 of 25
4.0 Points
Which of the following examples involves indirect transmission of disease?Reset Selection
Question 23 of 25
4.0 Points
The ability of an agent to cause disease in the infected host is referred to as:
Reset Selection
Question 24 of 25
4.0 Points
Community A receives its water from several sources. The water source responsible for causing an outbreak of disease X is unknown. The best evidence to determine which suspected water supply is responsible would be:Reset Selection
Question 25 of 25
4.0 Points

The table below shows the mumps experience of children in 390 families exposed to mumps by a primary case within the family:

 

Population

Cases

Age in years

Total

No. susceptible before primary cases occurred

Primary

Secondary

2 − 4

300

250

100

50

5 − 9

450

420

204

87

10 − 19

152

84

25

15

 

                        The secondary attack rate among children aged two to four years is: 

Reset Selection







Calculate Your Essay Price
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more

Order your essay today and save 10% with the coupon code: best10