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Which color does the guaiac reagent turn when oxidized in the presence of blood?
The guaiac reagent turns blue when oxidized in the presence of blood. This color change occurs due to the reaction of guaiaconic acid with the heme component of hemoglobin in blood, catalyzed by peroxidase activity. This property makes the guaiac test useful for detecting the presence of blood in various samples.
What IMVic results would indicate the presence of fecal coliforms?
The IMViC test results that would indicate the presence of fecal coliforms are negative for indole production, positive for methyl red test, negative for Voges-Proskauer test, and positive for citrate utilization.
Does Benedict test indicate monosaccharides polysaccharides and disaccharides?
The Benedict test is useful for monosaccharides and disaccharides.
What does a positive Molisch's test on an unknown substance indicate?
A positive Molisch's test result indicates the presence of carbohydrates.
What three tests would you perform to determine what type of minerals are part of the rock?
To determine the types of minerals in a rock, I would perform a hardness test using the Mohs scale to assess scratch resistance. A streak test would reveal the color of the mineral's powder, helping to identify it. Lastly, I would conduct an acid test, applying a dilute hydrochloric acid solution to observe any reaction, which can indicate the presence of carbonates.
What does guaiac mean?
Guaiac-positive discharge means that there was blood in the discharge. This test may be used for breast discharge.
What color is a postitive protein test?
The colour would change to a purple, dark purple colour.
What is guaiac test?
The guaiac test is a medical screening tool used to detect hidden (occult) blood in stool samples, which can indicate gastrointestinal bleeding. The test involves applying a stool sample to a special card containing guaiac resin, which changes color in the presence of hemoglobin. It is commonly used to help diagnose conditions such as colorectal cancer, ulcers, and other digestive disorders. Although it is a useful screening method, it may require follow-up testing for definitive diagnosis.
What is stool guaiac?
Stool guaiac is a diagnostic test used to detect the presence of hidden (occult) blood in a person's stool, which can indicate gastrointestinal bleeding. The test involves applying a small sample of stool to a guaiac-based reagent, which changes color in the presence of hemoglobin. It is commonly used as a screening tool for conditions such as colorectal cancer or gastrointestinal disorders. A positive result typically requires further investigation to determine the source of the bleeding.
Can a drug test come out postitive by touching extacy?
it depends on what kind of test it is, but yes, things like dogs would pick up the smell of extacy.
Which of the following is the primary purpose of a guaiac test?
Detect occult Blood in fecal matter.
What is the cpt code for occult blood in stool three guaiac test cards?
843
If your partner test postitive for HIV and you test negative what conclusions can be made about that?
Conclusion: Your partner has hiv and you don't.......yet.
Is this true or false a test card impregnated with guaiac regent is used when testing for occult blood?
True
What is the medical term meaning test for hidden blood in the stools?
Hemoccult Test is the brand name. The generic name of the test is guaiac test. Seroccult is another common brand name.
Which color does the guaiac reagent turn when oxidized in the presence of blood?
The guaiac reagent turns blue when oxidized in the presence of blood. This color change occurs due to the reaction of guaiaconic acid with the heme component of hemoglobin in blood, catalyzed by peroxidase activity. This property makes the guaiac test useful for detecting the presence of blood in various samples.
What does a negative Benedicts test indicate?
A negative Benedict's test would indicate that there isn't any presence of reducing sugars in that particular substance.
