Which of the following codes is considered a category code?

Pleural effusion is characterized by the presence of:

A) fluid in the pleural space. B) atelectasis in the affected area. C) secretions in large airways. D) increased friction between the pleural layers.

Most exam rooms include a/an:

A) exam table and stool. B) small cabinet for supplies. C) sink with a writing surface. D) all of the above.