A) What are the different ways to mesure brain activity? B) What is the purpose of measuring brain activity?

Using the coding techniques described in this chapter, carefully read through the case study and determine the most accurate CPT code(s) and HCPCS code(s) and modifier(s), if appropriate. Harrison Parker, a 69-year-old right-handed male, was referred to me for a neurologic evaluation by his internist, Dr. Brady, for a tremor that has been present for approximately 20 years. Patient states that the tremor began insidiously and has progressed gradually. It now involves both hands and affects his handwriting, drinking coffee and other liquids with a cup, and general work that requires manual dexterity. Other people occasionally notice a tremor in his head. He is otherwise healthy, although he feels his balance is not quite as good as it used to be. A glass of beer or wine markedly decreases the tremor severity. His mother and daughter also have tremor. Patient denies smoking. On examination, he has a rather regular tremor of approximately 8 cycles per second (Hz) with his hands extended…

A neurologist diagnoses a patient with damage to the hippocampus. This observation is consistent with the difficulties the patient reports with Multiple Choice   a) maintaining a steady and regular heartbeat.   b) forming memories of recent events.   c) planning movements.   d) perceiving tactile stimulation from different regions of their body.   e) effectively coordinating movements once initiated.

5) All of the following are parts of a biological control or reflex loop except ........... a) control center b) effector c) variables d) receptor