Medications are listed in HCPCS Level II using:

Which of the following describes serum Ca2+?

a. Approximately 30% of the serum Ca2+ is ionized and combined with plasma anions. b. Acidemia decreases the serum levels of ionized Ca2+. c. More than half of the serum Ca2+ is nonionized and bound to plasma albumin. d. Serum Ca2+ is present in three forms: ion-ized, protein bound, and complex.

Common symptoms of _______________ _______________ include loss of central vision, distortions in vision, and difficulty seeing details.

Fill in the blank(s) with the appropriate word(s).