Nephrostomy, nephrotomy with drainage. Assign the CPT code

________ are compounds that stabilize pH by either removing or replacing hydrogen ions

A) Electrolytes B) Buffers C) Carbohydrates D) Catalysts

How is perchloric acid prepared?

a. By distilling a mixture of potassium perchlorate and sulfuric acid at less-than-atmospheric pressure b. By distilling a mixture of sodium hydroxide and sulfuric acid at less-than-atmospheric pressure c. By distilling a mixture of hydrochloric and sulfuric acid at less-than-atmospheric pressure d. It occurs naturally under the Earth's crust in mineral deposits