Review Question - QID 102777

A 51-year-old woman presents to her primary care physician with a 2 week history of fatigue and generalized weakness. She has felt less able to do things she enjoys and feels guilty because she can't play sports with her children. She has a medical history of diabetes, hypertension, and hyperlipidemia. She was also recently diagnosed with rheumatoid arthritis and started on disease-modifying therapy. A review of systems is notable for the patient occasionally seeing a small amount of bright red blood on the toilet paper. Her temperature is 98.8°F (37.1°C), blood pressure is 120/80 mmHg, pulse is 82/min, respirations are 13/min, and oxygen saturation is 98% on room air. Physical exam is unrevealing. Laboratory studies are ordered as seen below:
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