The Nurse Is Discussing Respiratory and Metabolic Acids and Bases

The nurse is discussing respiratory and metabolic acids and bases. Which statements would the nurse supervisor evaluate as indicating that the nurse needs more information?. Select all that apply.

A) "When water combines with carbon dioxide, carbonic acid is produced."
B) "Carbon dioxide is a potential acid that is excreted through the lungs."
C) "Body metabolism produces lactic acids, which are constantly eliminated in the lungs."
D) "Sodium bicarbonate buffers the blood by removing hydrogen ions from the blood."
E) "Carbonic acid dissociates into sodium and bicarbonate."