DSM (Diagnostic and Statistical Manual of Mental Disorders) is one of the diagnostic tool published by the American Psychiatric Association. This includes diagnostic and treatment of a particular mental disorder.
The main criticism of DSM is it adherence to the categorical model. The categorical model sees the person as having or not having a mental disorder. There is no degree of disorder.
Plasma is the liquid component of blood, in which the red blood cells, white blood cells, and platelets are suspended. It constitutes more than half of the blood's volume and consists mostly of water that contains dissolved salts (electrolytes) and proteins.
Salivary amylase is a glucose-polymer cleavage enzyme that is produced by the salivary glands. It comprises a small portion of the total amylase excreted, which is mostly made by the pancreas.