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Injection of hypertonic saline into the carotid artery causes activation of the hypothalamus via which of the following (AIIMS Nov 2013)
|A||Medial nucleus of the hypothalamus|
|B||Supraoptic nucleus of hypothalamus|
|C||Preoptic nucleus of the hypothalamus|
|D||Paraventricular nucleus of the hypothalamus|
Preoptic nucleus of the hypothalamus
Pre-optic nucleus is mainly associated with the ADH (Anti-diuretic hormone), which will now try to retain water so as to deal with the hypertonic stress.