Category: Laboratory

One way they change is called “antigenic drift.” These are small changes in the genes of influenza viruses that happen continually over time as the virus replicates. These small genetic changes usually produce viruses that are pretty closely related to one another, which can be illustrated by their location close together on a phylogenetic tree. Viruses that are […]

A urinalysis is a test of your urine. A urinalysis is used to detect and manage a wide range of disorders, such as urinary tract infections, kidney disease and diabetes. A urinalysis involves checking the appearance, concentration and content of urine. Abnormal urinalysis results may point to a disease or illness. For example, a urinary […]

A common blood test, the blood urea nitrogen (BUN) test reveals important information about how well your kidneys and liver are working. A BUN test measures the amount of urea nitrogen that’s in your blood. Here’s how your body typically forms and gets rid of urea nitrogen: Your liver produces ammonia — which contains nitrogen — after […]

Electrolytes are involved in many essential processes in your body. They play a role in conducting nervous impulses, contracting muscles, keeping you hydrated and regulating your body’s pH levels (1Trusted Source, 2Trusted Source, 3Trusted Source, 4Trusted Source). Therefore, you need to get an adequate amount of electrolytes from your diet to keep your body functioning as it should. […]