Neurology Quiz #11: Hypothalamus Anatomy and Pathology

1. A 23-year-old male presents with increased thirst and urination. Laboratory tests reveal hypernatremia and low urine osmolality, despite dehydration. Administration of desmopressin results in increased urine osmolality. Which part of the hypothalamus is most likely dysfunctional in this patient? 

Question 1 of 5

2. A 35-year-old woman presents with a body mass index (BMI) of 34 kg/m^2. She reports an insatiable appetite and a significant weight gain over the past year. Which part of her hypothalamus is likely affected? 

Question 2 of 5

3. A 27-year-old male is found to have a tumor compressing the hypothalamus. He experiences bouts of aggression and seems unable to control his anger. Which hypothalamic nucleus is most likely being affected by the tumor? 

Question 3 of 5

4. A 40-year-old man presents with a lesion affecting the hypothalamus. He reports difficulty staying awake during the day and has uncontrollable sleep episodes. Which hypothalamic structure is most likely affected?

Question 4 of 5

5. A patient presents with a rare condition characterized by a lack of circadian rhythm, leading to irregular sleep patterns. Which part of the hypothalamus is likely dysfunctional in this patient? 

Question 5 of 5


 

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