Which block will often be unresponsive to administration of atropine?

The most rapidly acting buffer system is the:

a. phosphate buffer system. b. carbonic acid–bicarbonate buffer system. c. respiratory buffer system. d. protein buffer system.

Phosphorus is found in _____________ and burns when exposed to _____________.

A) fireworks, air B) oven cleaner, water C) drain cleaner, air D) battery acid, water