Glucose Tolerance Test (GTT). GTT is an abbreviation for Glucose Tolerance Test, which is a measure of the amount of glucose present in the blood stream of a person at the time the test is taken. This test is usually done to check for glucose related problems like hyperglycemia or hypoglycemia in the patient.
Contemporary R&B, also known as simply R&B, is a music genre that combines elements of rhythm and blues, soul, funk, pop, hip hop and dance.
Rhythm and Blues, a subgenre of blues and jazz music, has developed to be considered as a genre in itself. The primary difference between mainstream blues and R&B is, as the name suggests, the dominance of rhythm. Popular genres such as soul and funk have derived from R&B.