Which of the following mnemonics is most useful in determining the possible causes of an altered mental status?

The strength and type of charge on a hemoglobin molecule enables the separation of hemoglobin variants by electrophoresis. What other significant factor controls this separation?

a. Solubility of the molecule b. pH of the medium c. Heat precipitation d. Elevation of hemoglobin concentration

Clearinghouses charge providers based on which type of payment system?

A) A percentage of each claim's dollar value B) A flat fee per claim C) Per diem D) Both A and B