Sinus rhythms should have narrow QRS complexes of uniform shape

Pentamidine is administered by which of the following routes? 1. Inhaled aerosol 2. Intramuscular injection 3. Syrup 4. Tablet 5. Intravenous injection

a. 1 and 4 only b. 1, 2, and 5 only c. 2, 3, 4, and 5 only d. 1, 2, 3, 4, and 5

The HCPCS modifier GA indicates:

A) a waiver of liability statement is on file. B) an advance beneficiary notice has been signed by the patient. C) the procedure billed may be denied by Medicare as "not medically necessary." D) all of the above.