question: Q:A 44-year-old woman comes to her primary care physician with complaints of irritation and a gritty sensation in her eyes for the past few months. She denies any discharge from her eyes. She has no significant past medical or surgical history. She takes multivitamins occasionally but denies use of any other medication. On further questioning, she expresses her concerns about frequent dental caries for the past 2 years. On examination, her temperature is 37.1°C (98.8°F), blood pressure is 110/80 mm Hg, pulse rate is 74/min, and respiratory rate is 16/min. Which of the following is the most likely cause of her symptoms?? 
  {'A': 'Systemic lupus erythematosus (SLE)', 'B': "Sjögren's syndrome", 'C': 'Rheumatoid arthritis', 'D': 'Fibromyalgia', 'E': 'Scleroderma'},