Endocrinology Quiz #16: Hypopituitary Syndromes

1. A 35-year-old woman presents to her physician with complaints of fatigue, loss of libido, and inability to lactate postpartum. She mentions that she has not had a menstrual period since delivering her baby 6 months ago. MRI of the brain shows no abnormalities. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 45-year-old man is diagnosed with a non-functioning pituitary adenoma following evaluation for headaches and visual field defects. Laboratory tests reveal low levels of pituitary hormones. Which of the following symptoms is most likely associated with this patient's condition? 

Question 2 of 5

3. A 30-year-old man presents with decreased facial hair growth and failure to achieve an erection. Laboratory tests reveal low testosterone levels with low levels of luteinizing hormone (LH) and follicle-stimulating hormone (FSH). Which of the following is the most likely cause of this patient's symptoms? 

Question 3 of 5

4. A patient with a history of pituitary adenoma resection develops symptoms of polyuria, polydipsia, and persistent fatigue. Laboratory tests reveal hypernatremia and low urine specific gravity. Which of the following hormones is most likely deficient in this patient? 

Question 4 of 5

5. A 50-year-old woman presents with fatigue, weight gain, and constipation. She also reports experiencing cold intolerance and menorrhagia. Laboratory tests reveal low levels of free thyroxine (T4) and low-normal thyroid-stimulating hormone (TSH). Which of the following additional hormone deficiencies is most likely present in this patient? 

Question 5 of 5


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