Exam 6: Problems and Limits of Epidemiology Problems With Studying Humans

All epidemiologic studies have the advantage of studying humans rather than experimental animals.

What surgical procedure was performed on more than half of all children in the 1930s through the 1950s in the belief that the operation prevented rheumatic fever?

What type of studies are likely to suffer from a form of bias caused by people dropping out or being untraceable when results are being sought?

Whats the most appropriate description of the terms? -Systematic error that may be introduced into a study in a number of ways

________________________ occurs if the study group and the control group systematically report differently even if the exposure was the same.

Hormone replacement therapy for menopausal women became popular in the 1960s.

Most epidemiologic studies provide clear proof for the cause of disease.

Whats to the corresponding date of the event? -Tuskegee subjects received antibiotics to treat syphilis.

Rules for studies using human subjects came directly from the scandal over abuses in the Tuskegee _______________ study.

It is unrealistic to expect to succeed at a randomized controlled trial that requires people to alter their behavior over a significant period of time.

Generally, any U.S. hospital seeking to perform cohort studies will have to establish an in-house institutional review board.

Whats to the corresponding date of the event? -Case-control study found that exposure to high electromagnetic fields from power lines increased the risk of childhood cancer.

whats the study to the appropriate description. -Found a 42.7 odds ration from exposure to aspirin during a viral infection

The Women's Health Initiative was a _________________________, the gold standard for epidemiologic studies, and thus was much less likely to be subject to bias.

The more widely a therapy is already used, the easier it is to do a randomized controlled study.

Whats the most appropriate description of the terms? -Occurs if the study group and the control group systematically report differently even if the exposure was the same

whats the study to the appropriate description. -Was stopped early on the basis that the risks had been found to outweigh the benefits

whats the FDA-approved medication with the associated harmful side effect. -Suspected in increasing the risk of heart attacks

The ultimate goal of many epidemiologic studies is to determine the _______________ of disease.

whats the FDA-approved medication with the associated harmful side effect. -Risk of suicidal behavior in children and young people