Published: 21 May 2023

Other than this the blood being the only liquid majorly circulating in the body also performs the important hydraulic functions.
Presence of various harmful chemicals, poison and even drugs can be determined through the blood test. It is therefore important that the reports of the blood test and the lab test results are properly understood by the patient so that he/she has a clear understanding of the ailment of the body.Blood tests are mainly used to determine physiological and biochemical states, such as disease, mineral content, drug effectiveness, and organ function. The regulation of the internal body temperature despite the changes in the outside atmosphere is particularly important in the warm blooded animals. They also help in determining the presence of pathogens in the body. It also performs many regulatory functions like the regulation of body pH of the body and also the regulation of core body temperature. The analysis is usually performed by comparing the amount of various chemical entities present in the blood under test to the standard ratio of one or more chemical entities that are actually supposed to be present in the blood. This sample is usually extracted from a vein in the arm using a needle or via a finger-prick. Blood test is an important laboratory analysis performed on a blood sample. Differences in the quantities and proportions are determined. The difference in the proportion of various vital metabolites and constituents in the blood help in identifying the presence of various ailments of the body.

If you are going in a for a lab blood test analysis you will have to ask for clear instructions from your doctor on how you need to be prepared. In some other, the intake of food is at a particular time. In some cases, fasting is required. Also tests have to be repeated multiple number of times and they have to be perfectly timed as well. As far as research goes, lab blood test analysis is also used for pharmacogenomics where studies on blood samples will show researches the impact of trial drugs on genes and other elements of the body.