HARR Clinical Endocrinology questions with correct answers

Which of the following hormones is often decreased by approximately 25% in the serum of pregnant women who have a fetus with Down Syndrome? A. estriol (E3) B. human chorionic gonadotropin (hCG) C. progesterone D. estradiol (E2) Answer A The syndrome of inappropriate antidiuretic hormone secretion (SIADH) causes: A. low serum vasopressin B. hypernatremia C. urine osmolality to be lower than plasma D. low serum electrolytes Answer D Select the hormone which when elevated is associated with galactorrhea, pituitary adenoma, and amenorrhea A. estradiol B. progesterone C. follicle-stimulating hormone (FSH) D. prolactin Answer D - with galactorrhea think "prolactin" Zollinger-Ellison (Z-E) syndrome is characterized by great (e.g., 20-fold) elevation of: A. gastrin B. cholecystokinin