###Rationale: Sjogren syndrome Chronic autoimmune disorder Characterized by dry eyes (keratoconjunctivitis sicca) & dry mouth (xerostomia) d/t immunologically mediated lymphocytic infiltration & parenchymal destruction of lacrimal & salivary glands.

###Answer: OPTION A IS CORRECT.
###Question: A 45-year-old woman with long-standing rheumatoid ahritis complains of dry eyes and dry mouth. Bilateral enlargement of the parotids is noted on physical examination. The syndrome described here is best described as
###Options:
A. Autoimmune
B. Infectious
C. Metabolic.
D. Metastatic
