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20 Cards in this Set
- Front
- Back
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whcih hormones share a common alpha subunit |
a |
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what is the diffeence between a case control study, a cohort study, and a clinical trial? which studies use odds ratios, and which use relative risks? |
a |
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which neoplasm is most commonly responsible for each of the following hormone parpneoplastic syndrome acth |
cushing syndrome |
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pth-related peptide |
hypercalcemia |
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erythropoietin |
polycythemia |
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adh |
siadh |
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selectioin bia |
the referral centers for a trial of a new anticancer drug have more pt with end stage dz than early stage, so more pt with end statge dz are referred for the trial than early stage dz |
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berkson bias |
studies performed on pt that have been hospitalized type of selection bias |
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recall bias |
parents of autism pt have a more detailed recall of events and illnesses in their childs first two years of life compared to parents of healty controles |
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sampling bias |
a study performed in china may not generalizable to the us population |
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late lool bias |
sending a survey out to people dx with a fatal ilness 5 years after dx will perferentially sample those with a low grade dz (or few comorbidities) |
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procedure bias |
the positive benefit of a new drug during a study simply may have been due to the fact that study participants were required to attend clinic monthly, where they received extra dz education and counseling compared with the controls. |
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confounding bias |
are abestos miners more likely to have cancer because they mine abestos or because they are more likely to smoke |
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lead time bias |
while test PSA-xyz may detect prostate cancer before it is detected by a traditional PSA, early detection using PSA-xyz does not increase cancer survival compared to traditional PSA |
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pygmalion effect |
an orthopedic surgeon investigator who finds statistically significant benefit of arthroscopic surgery when compared to non invasive therapeutic strategies. a chiropractor led study that finds significant benefit of the effects of cerivical manipulaiton when compared to traditional medicine strategies |
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hawthrorn effect |
when studying the effects that infection control educaiton has on physicians, the investigatior notes that both the experimental and the control groups improve their hand hygiene. |
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study x shows that vitamin c can preven coronavirus infections, but 10 other studies show no benefit. what type of error is found in study x |
a |
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study Y shows that aspirin administration during an MI offers no improvement in patient morbidity or mortality. what type of error is present |
w |
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what is the difference between the mean, median and mode |
a |
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what does it mean to say that a statistical distribution has a positive skew? |
b |
