The Thirst Center in the Hypothalamus Is Stimulated by ________

question 2

Multiple Choice

The thirst center in the hypothalamus is stimulated by ________ of the extracellular fluid, and is inhibited by ________.

• A)an increase in the osmotic pressure; distension of the stomach by water
• B)a decrease in the osmotic pressure; stimulation of osmoreceptors
• C)a decrease in sodium ions; an increase in sodium ions
• D)nerve impulses from the cerebrum; nerve impulses from the thalamus

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