To code the term basal cell carcinoma of the arm, the coder would first reference which of the following?

On an ECG, the QRS represents:

A) Contraction of the atria B) Contraction of the ventricles C) Contraction of both the atria and the ventricles D) The heart at rest following contraction

An untreated group A Streptococcus infection can result in serious complications, especially for those under the age of ____________________.

Fill in the blank(s) with the appropriate word(s).