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Question

A man is admitted to a hospital. He is suffering from an abnormally low body temperature, loss of appetite and extreme thirst. His brain scan would probably show a tumor in:

A
Medulla oblongata
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B
Pons varolii
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C
Cerebellum
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D
Hypothalamus
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Solution

The correct option is D Hypothalamus
Hypothalamus is a control centre for hunger, thirst, sweating, sleep, fatigue, temperature, anger, pleasure, love, hate and satisfaction. Thus, if a man is suffering from the abnormalities given in the question, he has a tumor in his hypothalamus.

Medulla oblongata controls respiration, cardiovascular reflexes, and gastric secretions.
Pons varolii contains fibre tracts that connect different regions of the brain.
Cerebellum controls the rapid muscular activities, such as running, talking.

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