Blood pressure increases and heart rate decreases in response to

Exercise

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Haemorrhage

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Exposure to high altitude

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Increased intracranial pressure

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Solution

The correct option is C Increased intracranial pressure
The nervous system responds to increased intracranial pressure (ICP) by Cushing reflex that results in Cushing's triad of increased blood pressure, irregular breathing, and a reduction of the heart rate. It is common during the terminal stages of acute head injury.
So, the correct answer is option D.

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