This week’s edition of the Step 1 Question of the Week is about the endocrine system. See if you can answer the question and then watch the video to learn the correct answer as well as the rationales for each option.
A 43-year-old woman presents to the clinic with enlargement of her hands and feet, weight gain, and a tingling sensation in her palms. She complains of difficulty seeing things to the right of her. She is found to have an elevated level of a pituitary hormone that induces production of a second hormone to achieve many of its metabolic effects.
Through which of the following veins does the second hormone most directly enter the systemic circulation?
A. Hepatic veins
B. Hypophyseal portal vein
C. Inferior vena cava
D. Portal vein
E. Splenic vein
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