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What are guaiac slides used to detect?
to occult blood in the stool
What is the principle of the guaiac reaction?
The guaiac reaction is based on the principle that the guaiac molecule interacts with certain substances, like blood, causing a color change that indicates the presence of those substances. This reaction is often used to detect the presence of blood in samples, for example in fecal occult blood tests.
What tube color test occult blood?
The commonly used tests to detect occult blood in feces require a small sample of stool that is collected in a special container provided by the laboratory. The sample is usually collected at home by the individual and returned to the laboratory for analysis. The tube color for this test may vary depending on the specific laboratory protocol, but a common color for the container is brown or green.
What is the difference between anti-A and anti-B serum in blood typing tests?
Anti-A serum is used to detect the presence of A antigens on red blood cells, while anti-B serum is used to detect the presence of B antigens. This helps determine a person's blood type in blood typing tests.
Which blood tests are run to determine GI bleeding?
The tests normally used to look for Gastrointestinal bleeding are:Fecal Occult Blood Test (simplest) -- tests for blood in feces.Lower GI Series (Barium Enema) -- non invasive Xrays of the colon/bowelColonoscopy -- endoscopy of the colon/bowelOther test may be used but these are the most common. Blood tests are not normally used to look for GI bleeding
What requies a sample of feces?
A typical medical test that requires a stool sample is the fecal occult blood test, used to detect colon cancer.
What is a hemoquant blood test used for?
Hemoquant, another fecal occult blood test, is used to detect as much as 500 mg/g of blood in the stool. Like the Hemoccult, the Hemoquant test is affected by red meat. It is not affected by chemicals in vegetables.
Can you detect chlamydia in blood samples?
Chlamydia is typically detected through urine or swab samples, not blood samples. Blood tests are not commonly used for diagnosing chlamydia.
What test checks for blood in the in intestines?
A fecal occult blood test (FOBT) is used to check for the presence of blood in the intestines. This test can detect small amounts of blood that are not visible in the stool. It is often used as a screening tool for various gastrointestinal conditions, including colorectal cancer.
What blood tests can confirm a diagnosis of melioidosis?
Blood tests that can be used to confirm a diagnosis of melioidosis include culture of Burkholderia pseudomallei from blood, serological tests such as enzyme-linked immunosorbent assay (ELISA) for specific antibodies, and polymerase chain reaction (PCR) to detect the bacteria's genetic material in the blood.
What are immunoassay tests?
chemical tests used to detect or quantify a specific substance, the analyte, in a blood or body fluid sample, using an immunological reaction
How many weeks does it take to know that your pregnant?
This will generally depend on the test that is used to detect a pregnancy. Blood tests are more accurate in that they can detect a pregnancy earlier. As soon as two weeks after a missed period, blood tests can detect levels of Hcg (the hormone pregnant females produce). Urine pregnancy tests generally do not detect a pregnancy before the 6th week because sometimes it takes that long for Hcg levels to rise to the point where a urine test will be sensitive enough to detect it.
