Test_Prep
USMLE · Question #524
A 33-year-old man undergoes a radical thyroidectomy for thyroid cancer. During the operation, moderate hemorrhaging requires ligation of several vessels in the left side of the neck…
The correct answer is C. Branch of the thyrocervical trunk. See the full explanation below for the reasoning.
Question
A 33-year-old man undergoes a radical thyroidectomy for thyroid cancer. During the operation, moderate hemorrhaging requires ligation of several vessels in the left side of the neck. Postoperatively, serum studies show a calcium concentration of 7.5 mg/dL, albumin concentration of 4 g/dL, and parathyroid hormone concentration of 200 pg/mL. Damage to which of the following vessels caused the findings in this patient?
Options
- ABranch of the costocervical trunk
- BBranch of the external carotid artery
- CBranch of the thyrocervical trunk
- DTributary of the internal jugular vein
- ETributary of the left brachiocephalic vein
- FTributary of the right brachiocephalic vein
How the community answered
(19 responses)- A5% (1)
- C79% (15)
- D11% (2)
- F5% (1)
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