M2 Adrenal
Quiz by Jenny Ousley
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- Q1
A 30-year-old woman comes to the physician because of weakness and fatigue over the past 6 months. She has a 3-month history of severe hypertension that has not responded to antihypertensive medications. Fasting serum glucose concentration is 140 mg/dL. A CT scan of the abdomen shows a 6-cm mass in the suprarenal gland affecting secretory (chromaffin) cells of the adrenal medulla and a pheochromocytoma is suspected. Which of the following structures is most likely releasing products into the bloodstream leading to the sign and symptoms of this patient?
Preganglionic sympathetic axons in thoracic splanchnic nerves
Cells of neural crest origin that migrated to the suprarenal medulla
Preganglionic parasympathetic branches of the posterior vagal trunk
Postganglionic parasympathetic branches of the left or right vagus nerves
Postganglionic fibers from pelvic splanchnic nerves
120s - Q2
A 30-year-old woman comes to the physician because of a 6-month history of weakness and fatigue. She has a 3-month acute history of severe hypertension that has required treatment with antihypertensive medications. A CT scan of the abdomen shows a tumor of her right suprarenal gland. A diagnosis of a pheochromocytoma (tumor of the suprarenal medulla) is made, and is scheduled for a laparoscopic adrenalectomy. Which of the following nerve fibers will need to be cut when the suprarenal gland and tumor are removed?
Preganglionic sympathetic fibers
Postganglionic sympathetic fibers
Somatic motor fibers
Postganglionic parasympathetic fibers
Preganglionic parasympathetic fibers
120s