A patient's laboratory test results indicate an increased level of serum cryoglobulin.Which of the following conditions is associated with this finding?
A)Alzheimer's disease
B)Parkinson's disease
C)Down syndrome
D)Raynaud's phenomenon

Question

Quizplus · Accepted Answer

Serum cryoglobulin is typically associated with certain autoimmune or infectious diseases such as Hepatitis C, Rheumatoid Arthritis, and Sjogren's syndrome, as well as certain malignancies such as multiple myeloma and lymphoma. However, it can also be seen in some cases of Raynaud's phenomenon, a condition where there is abnormal narrowing of blood vessels in the fingers and toes, causing color changes and pain.

A Patient's Laboratory Test Results Indicate an Increased Level of Serum