Multiple Choice
A 43-year-old man comes to the office due to malaise, night sweats, and cough for the past several weeks. He also has chronic constipation with bowel movements once every two to three days. He has not had fevers, night sweats, or weight loss. Pulmonary examination shows normal air exchange with scattered crackles and no wheezes. The patient also has nontender cervical lymphadenopathy. Serum chemistry shows a calcium level of 12.0 mg/dL. Chest x-ray demonstrates scattered nodules and parenchymal infiltrates, as shown in the image below. 
Lymph node biopsy reveals noncaseating granulomas. Which of the following is the most likely cause of the elevated calcium level in this patient?
A) Accelerated bone turnover
B) Activated macrophages
C) Destruction of bone tissue
D) Increased parathyroid hormone secretion
E) Phosphate retention
Correct Answer:
Verified
Correct Answer:
Verified
Q391: A 17-year-old boy is brought to the
Q392: A 4-year-old girl is brought to the
Q393: A 39-year-old woman presents to the office
Q394: A 32-year-old woman visits the office to
Q395: Three weeks after beginning radiation therapy for
Q397: A 17-year-old boy is brought to the
Q398: A 46-year-old woman is brought to the
Q399: A 38-year-old woman comes to the physician
Q400: A 55-year-old woman is brought to the
Q401: Gentamicin is being administered to a 65-year-old