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Ascorbic acid (vitamin C) is known to interfere with the oxidation reaction of the blood and glucose pad on common urine test strips. Some urine test strips are protected against the interference with iodate, which eliminates ascorbic acid by oxidation. [25] Some test strips include a test for urinary ascorbate.
Test strips estimate urine protein levels by exploiting the ability of protein to interfere with pH indicators. The reagent pad contains an indicator that is buffered to a pH of 3, which changes from yellow to green in the presence of protein. [45]
Azoospermia is the medical condition of a man whose semen contains no sperm. [1] It is associated with male infertility, but many forms are amenable to medical treatment.In humans, azoospermia affects about 1% of the male population [2] and may be seen in up to 20% of male infertility situations in Canada.
Usually, men will be able to observe a runny/fluid, low-volume semen by themselves during masturbation. Since the seminal vesicles contain a viscous, alkaline fluid rich in fructose, a chemical analysis of the semen of affected men will result in a low concentration of fructose and a low pH. A microscopic semen analysis will reveal aspermia ...
Phenazopyridine is an azo dye. [17] [18] Other azo dyes, which were previously used in textiles, printing, and plastic manufacturing, have been implicated as carcinogens that can cause bladder cancer. [19] While phenazopyridine has never been shown to cause cancer in humans, evidence from animal models suggests that it is potentially ...
The test had a 95% sensitivity among men who had a grade group 2 or greater cancer; this sensitivity improved to 99% in men with a grade group 3 or greater cancer. In practical terms, that means ...
A widely used test for prostate cancer may leave black men at increased risk of overdiagnosis, a study has suggested. ... with urinary symptoms such as blood in urine or urinating very frequently ...
A urine test is any medical test performed on a urine specimen. The analysis of urine is a valuable diagnostic tool because its composition reflects the functioning of many body systems, particularly the kidneys and urinary system , and specimens are easy to obtain. [ 1 ]