No. Taking the test too soon causes false negative.
There can be false-negative test for almost any disease including Valley fever.
A false negative for a pap smear or any test means that the test result was normal even if an abnormality exists. A false positive means that the test result was abnormal when no abnormality exists.
False. Counterexample: -1 - (-2) = -1 + 2 = 1.
Yes. Antihistamines can cause a negative result
no
If you are not taking hormone supplements then you are pregnant. You can get a false negative, you cannot get a false positives.
The chances of a false negative chlamydia test result with the newest test kits may be as high as 10%. The chances of two false negative results are 1%, and of three are one in one thousand. Having a negative result followed by a positive normally means that you were infected with chlamydia between the first and second test.
Some infections in the kidney can cause false positive dipstick test results but not false negative.
It is possible (a false negative test result), but not likely.
Yes. If the person had a "false negative" on their HIV test (getting a negative result even when the person actually does have HIV), then HIV can be transmitted. Sadly, false negatives are common, especially early in the infection. When in doubt, use condoms so that you are not infected with any STDs.
False!! is not usually negative.