In CPT, the term ________ describes services that a provider performs at the request of another provider after which the patient is returned to the requesting provider's care.

Most of the clinical findings in the porphyrias are related to:

a. Accumulated porphyrin compounds in tissue b. Anemia c. Reduction in heme production d. Iron being unavailable

Total parenteral nutrition (TPN) consists of

A) amino acids B) dextrose C) sucrose D) both a and b