The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 66-year-old woman presents to her primary care provider with several days of left flank pain radiating to the abdomen and groin. The patient states that she has noticed a pink tinge to her urine as well. Of note, she has not had any fevers, but endorses several months of fatigue and constipation. The patient was previously healthy except for mild untreated hypertension. On exam, her temperature is 98.6°F (37.0°C), blood pressure is 130/84 mmHg, pulse is 76/min, and respirations are 12/min. On further workup, the patient is found to have calcium oxalate nephrolithiasis with hypercalciuria. Blood studies demonstrate increased parathyroid hormone (PTH) and hypercalcemia. Which of the following is the most likely cause?   (A) Primary hyperparathyroidism   (B) Pseudopseudohypoparathyroidism   (C) Secondary hyperparathyroidism   (D) Tertiary hyperparathyroidism
['(A) Primary hyperparathyroidism <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Primary hyperparathyroidism \n (B) Pseudopseudohypoparathyroidism \n (C) Secondary hyperparathyroidism \n (D) Tertiary hyperparathyroidism <> possible answers', '  A 66-year-old woman presents to her primary care provider with several days of left flank pain radiating to the abdomen and groin. The patient states that she has noticed a pink tinge to her urine as well. Of note, she has not had any fevers, but endorses several months of fatigue and constipation. The patient was previously healthy except for mild untreated hypertension. On exam, her temperature is 98.6°F (37.0°C), blood pressure is 130/84 mmHg, pulse is 76/min, and respirations are 12/min. On further workup, the patient is found to have calcium oxalate nephrolithiasis with hypercalciuria. Blood studies demonstrate increased parathyroid hormone (PTH) and hypercalcemia. Which of the following is the most likely cause? <> context@']