Condenser microphones are the most common types of microphones you'll find in studios. They have a much greater frequency response and transient response - which is the ability to reproduce the speed of an instrument or voice.
protein-bound iodine test n. A test to determine thyroid function in which serum protein-bound iodine is measured. The American HeritageÂ® Stedman's Medical Dictionary
Radioactive iodine uptake. Radioactive iodine uptake (RAIU) is a test of thyroid function. It measures how much radioactive iodine is taken up by the thyroid gland in a certain time period. A similar test is the thyroid scan. The two tests are commonly performed together.