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Mr. Spam is a 39-year-old male who has been brought into your neurology clinic by his wife. She has become increasingly alarmed by her husband’s behavior over the last four months. You recommend a CAT scan to look for tumors in the brain. Which two parts of the brain would you predict are being affected by the tumors?
List of symptoms: vastly increased appetite, body temperature fluctuations, decreased sexual desire, jerky movements, poor balance when walking and standing, inability to throw objects, and exaggerated efforts to coordinate movements in a task
(A) motor cortex and emotion cortex
(B) somato-sensory cortex and hypothalamus
(C) hypothalamus and cerebellum
(D) cerebellum and medulla
(E) thalamus and motor cortex
Spoiler
Answer
(C) hypothalamus and cerebellum
Spoiler
Explanation
A tumor on the hypothalamus would explain the first three symptoms since the hypothalamus controls (at least in part) body temperature, libido, and hunger. The cerebellum coordinates some types of movements, including throwing objects and our sense of balance. The motor cortex controls voluntary muscle movements, but the specific movements described in the question are controlled by the cerebellum. The medulla controls our life-support functions, like heart rate and respiration. The thalamus directs signals coming in from the spinal cord to different parts of the brain.
Posted : 28/01/2024 10:42 am