Abnormal electrical activity in the brain constitutes:

Which of the following indicates the overall level for the following: Presenting problem—undiagnosed new problem with uncertain prognosis Diagnostic procedures ordered—chest X-ray, noncardiovascular imaging studies with contrast (CT scan),

diagnostic endoscopies with no identified risk factors Management option selected—prescription drug management a. Minimal b. Low c. Moderate d. High

Transmission of ultrasound waves is most efficient through a medium that is

A) homogeneous and has high density B) heterogeneous and has low density C) heterogeneous and has high density D) homogeneous and has low density