What is the Glasgow Coma Score (GCS) measurement of altered mental status, which according to CDC guidelines necessitates transport to a trauma center?

On an atrial pressure tracing, which wave corresponds to atrial diastole?

a. a wave c. R wave b. c wave d. P wave

The ____ secretes a hormone called erythropoietin, which stimulates blood cell production. 

A. pineal body B. heart C. kidney D. thymus E. pancreas