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A Mantoux test is done by injecting a very small amount of TB protein ( antigens) under the top layer of skin. The skin test is then read 2 or 3 days later, a positive test, doesn't always mean someone has TB; it just means that you have been exposed to TB at sometime in your life, a follow up XRay or CT scan to reveal if there is an active infection should be done.
A sputum test can also be done to determine if there is active infection.
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What if all your pregnancy test say positive?
Then you are probably pregnant.
Does a pregnancy blood test say negative or positive?
Depends...
Are you sure that the light and dark red lines means positive?
Follow the directions on the test box. If the directions say the reading is positive, yes you can be sure the test is correct.
What can you do if a deputy sheriff make you a positive met amphetamine test?
Say that your friend does it.
What would the pregnancy test say if you are pregnant and your tubes are tired?
False positive
How long are you supposed to wait for a test to say negative or positive?
usually about 2 minutes
Is the result of a pregnancy test kit positive if the test line has a very slight color and the control line has a dark color?
yes a line is a line,I'd say it's positive
Why do digital pregnancy tests say negative but pregnancy tests with strips say positive?
Go to the doctor to get a real test.
When can confirm pregnancy in a urine test?
some test say a day before you missed period! but with both my children i was about a month pregnant when the test turned up positive!
Will the pregnancy test say positive after one week of conception?
It can, but you should wait at least 2 weeks for accurate pregnancy test results.
If Pregnancy test is positive but doctors can see baby in the ultrasound is there something wrong?
did you mean to say "negative"?
What does it mean when hiv test results say active?
Actually, it is reactive. That means that the patient is preliminarily positive, and a second test should be done for confirmation.
