Although termed certification by many states, the governmental agency's permission to engage in a profession actually constitutes:

Which NFPA® standard details methods of testing the fire resistance of roof coverings?

A) 256 B) 344 C) 572 D) 603

A physician orders bronchodilator drug therapy in combination with positive expiratory pressure (PEP). Which of the following methods could you use to provide this combined therapy?

1. Attach a dry powder inhaler in-line with the PEP apparatus. 2. Attach a metered dose inhaler to the system's one-way valve inlet. 3. Place a small volume nebulizer in-line with the PEP apparatus. a. 2 and 3 only b. 1 and 2 only c. 1, 2, and 3 d. 1 and 3 only