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What Sensitivity and specificity of a screening test refer to its?
validity
What is the sensitivity and specificity of the modified barium swallow?
stomach muscles ache after a barium swallowing test
What is the difference between sensitivity and specificity?
Sensitivity measures how well a test identifies disease-positive (D+). Specificity measures the probability that a positive test result (T+) correlates to a real D+ person. These measures tend to be inverse of each other-- that is, the more sensitive a test, the less specific it is likely to be, and vice versa.
Would a false negative result for the VP test more than likely be attributed ti poor sensitivity or to poor specificity of the test system?
False negatives in a voges-proskauer test would be due to poor sensitivity.
Would a false positive from the reaction between the inoculation loop and hydrogen peroxide be caused by poor specificity or poor sensitivity of the test system?
no
Would a false positive from the reaction between the inoculating loop and hydrogen peroxide be caused by poor specificity or poor sensitivity of the test system?
no
Would a false positive from the reaction between the inoculating loop and hydrogen peroxide be caused by poor specificity or poor sensitivity of the catalase test system?
The false positive from the reaction of hydrogen peroxide and the inoculating loop would be caused by poor specificity. The formula for specificity is TN/TN+FP.
Can Benz show up in drug test after taking trimthoprim?
It is very unlikely for one drug to cause a false positive on a drug screen for any other substance. Drug screens test for metabolites of specific drugs. All drug tests have a rating based on specificity and sensitivity. The higher the sensitivity, the lower the specificity. Basically it is only possible to have a false positive by using another drug that is very chemically similar to the positive test.
Would omitting NaCl alter the medium's specificity or sensitivity?
Omitting NaCl would alter the osmolarity and ion content of the medium, which could affect the growth and survival of certain organisms. This could impact the medium's specificity and sensitivity by limiting the ability of some organisms to grow or inhibiting the growth of others. It's important to consider the nutritional requirements of the target organisms when omitting components from a medium.
Does sulfamethoxaole show up as methamphetamine on a drug test?
It is very unlikely for one drug to cause a false positive on a drug screen for any other substance. Drug screens test for metabolites of specific drugs. All drug tests have a rating based on specificity and sensitivity. The higher the sensitivity, the lower the specificity. Basically it is only possible to have a false positive by using another drug that is very chemically similar to the positive test. These drugs are not chemically similar.
Can you pass a drug test while taking dextromethorphine?
Yes. DXM is slightly related to opiates but not close enough to cause a positive drug screen. It is very unlikely for one drug to cause a false positive on a drug screen for any other substance. Drug screens test for metabolites of specific drugs. All drug tests have a rating based on specificity and sensitivity. The higher the sensitivity, the lower the specificity. Basically it is only possible to have a false positive by using another drug that is very chemically similar to the positive test.
Will prazosin test positive for phenabarbitol?
It is very unlikely for one drug to cause a false positive on a drug screen for any other substance. Drug screens test for metabolites of specific drugs. All drug tests have a rating based on specificity and sensitivity. The higher the sensitivity, the lower the specificity. Basically it is only possible to have a false positive by using another drug that is very chemically similar to the positive test.
