MEDICAL LABORATORY SCIENCE, Assignments of Medical Sciences

Download MEDICAL LABORATORY SCIENCE and more Assignments Medical Sciences in PDF only on Docsity! |. Give one (1) alternative testing method for one (1) of the ten parameters tested in a urine reagent strip. Discuss the following: a. Whether the alternative testing method was made before or after the urine reagent strip b. Summarized Procedure c. Causes for False Positives d. Causes for False Negatives One of the parameters tested is the acidity level of the utine. Alternative testing method for this is by the use of litmus paper test. High and low pH levels can indicate problems with a person's kidneys, such as an environment that could help kidney stones develop. Explanation: A. Litmus paper test is made way before the urine reagent strip. First known use of litmus was around 1300 CE by Spanish alchemist Arnaldus de Villa Nova. The blue dye has been extracted from lichens since the 16th century. The word "litmus" comes from the old Norse word for "dye" or "color." B. By holding a piece of specially treated paper, or litmus paper in. a urine sample. The paper will change color to show how acidic or alkaline the urine is which can be compared to a chart to identify the result. C. If the paper hasn't been dipped in the urine properly. D. One would be if the one who reads or compares the paper to the chart is color blind or did not dip the paper in the urine for an exact time.