Cannabis drug testing is used detect the presence of marijuana when injected or smoked. Elevated levels of urinary metabolites are found within hours of exposure and remain detectable for 3 […]
Cocaine, derived from the leaves of coca plant, is a potent central nervous system(CNS) stimulant and a local anesthetic. Cocaine induces euphoria, confidence and a sense of increased energy in […]
Amphetamines are a class of potent sympathomimetic agents with therapeutic applications. They are chemically related to the human body’s natural catecholamines and epinephrine and norepinephrine. Acute higher doses lead to […]
The Rh blood group system is one of forty-five known human blood group systems. It is the second most important blood group system, after the ABO blood group system. The Rh blood group system consists of 49 defined blood group antigens, among which the five antigens […]
The direct Coombs test is used to test for autoimmune hemolytic anemia—that is, a condition where the immune system breaks down red blood cells, leading to anemia. The direct Coombs test is used to detect antibodies […]
The indirect Coombs test is used in prenatal testing of pregnant women and in testing prior to a blood transfusion. The test detects antibodies against foreign red blood cells.
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