Which CPT symbol tells the medical assistant that the description of the code number is new or has been revised?

A nonrebreather mask at 12 to 15 liters per minute will generally provide the patient what percentage of oxygen?

A) 80-100 B) 24-44 C) 16-21 D) 90-100

Most adverse effects with the use of vasoconstrictors are short lived and easily managed

A) True B) False