08-10-2009, 07:23 AM
14.) A 27-year-old woman comes to the physician because of muscle weakness and
cramps for 2 weeks. She has been taking a ß-adrenergic blocking agent for
hypertension for 2 years. She had chronic lymphocytic thyroiditis (Hashimoto's
disease) 1 year ago. Her blood pressure is 160/108 mm Hg, and pulse is 60/min.
Serum studies show:
Na+ 140 mEq/L
Cl“ 110 mEq/L
K+ 2.2 mEq/L
HCO3“ 30 mEq/L
Urea nitrogen (BUN) 20 mg/dL
Creatinine 1 mg/dL
Magnetic resonance angiography of the abdomen shows normal findings.
A) Adrenal cortex
B) Adrenal medulla
C) Aorta
D) Renal arteries
E) Renal glomeruli
F) Thyroid gland