negative test
81Drug test — For other uses, see Drug testing (disambiguation). Drug test Diagnostics To minimize opportunities for tampering, a direct line of sight between the observer and the specimen bottle must be maintained during collection of a urine sample …
82Draw-a-Scientist Test — Drawing from Chambers (1983) The Draw A Scientist Test (DAST) is an open ended projective test designed to investigate children s perceptions of the scientist. Originally developed by David Wade Chambers in 1983, the main purpose was to learn at… …
83Rapid plasma reagin test — A screening blood test for syphilis. Rapid plasma reagin is commonly abbreviated RPR. A negative ( nonreactive ) RPR test result is compatible with a person not having syphilis. However, a person may have a negative RPR test and still have… …
84Pap test — Intervention ICD 9 CM 795.00 …
85Z-test — The Z test is a statistical test used in inference which determines if the difference between a sample mean and the population mean is large enough to be statistically significant, that is, if it is unlikely to have occurred by chance.The Z test… …
86Rinne test — The Rinne test is a hearing test. It compares perception of sounds, as transmitted by air or by bone conduction through the mastoid. Thus, one can quickly suspect conductive hearing loss.A Rinne test should always be accompanied by a Weber test… …
87Heaf test — The Heaf test is a diagnostic skin test performed in order to determine whether or not a child has been exposed to tuberculosis. Patients who exhibit a negative reaction to the test may be offered BCG vaccination. The test is named after F. R. G …
88Contraction stress test — Oxytocin A contraction stress test (CST) is performed near the end of pregnancy to determine how well the fetus will cope with the contractions of childbirth. The aim is to induce contractions and monitor the fetus to check for heart rate… …
89Dickey–Fuller test — In statistics, the Dickey–Fuller test tests whether a unit root is present in an autoregressive model. It is named after the statisticians D. A. Dickey and W. A. Fuller, who developed the test in 1979.[1] Contents 1 Explanation 2 Dealing with… …
90Sweat test — The sweat test measures the concentration of chloride and sodium that is excreted in sweat. It is used to diagnose cystic fibrosis (CF).BackgroundCystic fibrosis is caused by defects in a protein found in many tissues, including the airways and… …
