<prompt> In sjogren syndrome salivary flow rate of each parotid becomes:5mlmin.2mlmin.1mlmin.0.5mlmin.  <response>: The normal salivary flow rate of each parotid gland is 5ml min but in SS patients, this flow rate will be0.5mlmin.The total uptake of radioisotope 99mTC - Pertechnetate is less in SS patients compared to normal salivary glands.The sialography reveals formation of punctate, cavitary defects filled with radiopaque contrast media producing a Cherry blossom or branchless fruit-laden effect.MRI of SS patients shows a Salt and Pepper appearance of the glands. 