Cholesterol serves as a precursor to bile salts and ____________________.
Fill in the blank(s) with the appropriate word(s).
hormones
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When should water flow from a sprinkler be stopped?
a. After the fire department connection has been disconnected b. As soon as the fire department arrives on scene c. Once the fire has been brought under control d. Once master stream devices have been deployed
A new tumor marker assay for prostate specific antigen (PSA) is evaluated for sensitivity by testing serum samples from patients who have been diagnosed as having prostate cancer
The following results were obtained: Number of prostate cancer patients who tested positive by the new assay = 42 out 46 Number of patients who did not have cancer and tested negative by the new assay = 31 out of 32 What is the sensitivity of the new assay for PSA? A. 98.0% B. 95.0% C. 91.3% D. 88.5%