________ developed the FIRST set of standardized dispatch protocols in 1978, which have evolved into the widely used Medical Priority Dispatch System

A therapeutic ultrasound sound head should be applied at a ________ degree angle to the surface of the body

A) 90 B) 45 C) 60 D) 30

Proteins are the most concentrated form of energy, but they are more expensive than carbohydrates

Indicate whether the statement is true or false