In the lungs of a healthy young adult male, what is the average surface area available for gas exchange?

Which of the following instructions to a possible stroke patient describes the proper procedure for assessing an arm drift?

a. "Hold your arms up over your head for 20 seconds." b. "Grab my fingers with both hands and squeeze as hard as you can." c. "Raise your hands above your head and close your eyes." d. "Hold your arms straight out for 10 to 15 seconds."

On claims forms, procedures are represented by CPT codes in the Pathology and Laboratory section with diagnosis codes that support the medical necessity of the procedure

A) True B) False