Examples of using False-negative in English and their translations into Vietnamese
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Colloquial
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Ecclesiastic
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Computer
Why can a pregnancy test be false-negative?
A false-negative result doesn't mean that a mistake was made.
These results are described as"false-negative".
False-positive and false-negative Lyme disease test results are common.
Pylori infection is not present(false-negative).
False-negative results are possible when using the glucose oxidase method for the determination of glucosuria.
Suppress the skin reaction to histamine, leading to false-negative tests.
The resulting false-positive and false-negative rates were reduced considerably.
The false-negative is much more dangerous- it's when there's no beeping sound even though the current is flowing.
Laboratory screening in 3-9% of cases gives false-negative results.
A false-negative test result means you really do have an HPV infection, but the test indicates that you don't.
If you have drunk a lot of fluid,your urine may be diluted and this may also cause a false-negative result.
Cell culture or PCR test may give a false-negative result if the sores have begun healing or if you are recently infected.
With the earlier direction of a person for a blood test,the probability of obtaining a false-negative result is high.
Additionally, a false-negative is possible if you have recently been taking certain drugs, such as antibiotics or proton pump inhibitors.
If you have soft plaque in your arteries, the test may give normal results,but this is a false-negative result.
A false-negative result can also occur in people who have recently been infected with TB, but whose immune systems have not yet reacted to the bacteria.
Antibodies may not appear for weeks or even months after you develop hepatitis,so having the test too soon may give a false-negative result.
For example, you may have false-negative results if you have had syphilis for less than three months, as it could take this long for your body to make antibodies.
It was safer to make false-positive assumptions(avoid something that was good),than to make false-negative assumptions(not avoid something that was bad).".
A man who receives a false-negative test result- one that shows no cancer when there really is- may delay seeking medical care even if he has symptoms.
Kvamatel can inhibit the acid-stimulating effect of histamine and pentagastrin, as well as inhibit the skin reaction to histamine,with the result that false-negative results can be obtained.
It is possible toobtain a false-positive result of the Coombs test, a false-negative reaction to glucose in the urine when it is determined by the method of glucose oxidase, data on the increased content of creatinine and urea in the blood.
Immunity of helminthic invasions is reduced(see the symptoms of human worms),the diagnosis of which by a single analysis of feces can give false-negative results, so if suspicion should be submitted to an analysis of 3-day.
Therefore, if the initial negative HIV test was conducted within the first 3 months after possible exposure, repeat testing should be consideredgt;3months after the exposure occurred to account for the possibility of a false-negative result.
Falciparum malaria parasites in the Democratic Republic of the Congois infected by a pfhrp2-deleted mutant, producing a false-negative result when an RDT is used, say investigators from the University of North Carolina at Chapel Hill.
Invasive testing is considered to be highly specific- particularly histological examination- but its sensitivity is partly dependent on the accuracy of the biopsy procedure, since sampling tissue from areas where only low numbers ofbacteria are present may give false-negative results.
However, one of every 15 children infected with Plasmodium falciparum malaria parasites in the DRC is infected by a pfhrp2-deleted mutant,producing a false-negative result when an RDT is used, investigators from the University of North Carolina at Chapel Hill found.