Also known as the visceral peritoneum, the ____ of the alimentary canal wall secretes serous fluid to keep other organs from sticking to the structures of the alimentary canal. 

Which one of the following statements about the bag-valve mask (BVM) is true?

A) Oxygen must be attached so that the squeezable bag will reinflate. B) A 15/22 mm adapter allows the BVM to be attached to advanced airways such as the endotracheal tube. C) The nonrebreather valve allows the patient to rebreathe air that he has exhaled. D) The oxygen reservoir should deflate by one-third every time a breath is given.

The first portable light should be set up _____.

a. as close as possible to the seat of the fire b. on the "C" side of the structure c. on the "A" side of the structure d. at the entry point into the structure