What method of organizing a message begins with information familiar to the audience before moving to unfamiliar information?

When the nervous system signals a muscle to contract, the ________ ion channels open

A) phosphorus B) actin C) sodium D) myosin

Which of the following statements is true?

A. The admitting diagnosis is never the same as the principal diagnosis. B. The terms admitting diagnosis and principal diagnosis are used interchangeably. C. The admitting diagnosis may not match the principal diagnosis. D. The admitting diagnosis is always the same as the principal diagnosis.