Thirst is a basic and intrinsic craving for drinking fluids. When the plamsa concentration of ions increases as a result of dehydration or blood loss, thirst is stimulated in order to replenish the water lost. Test your basic knowledge of thirst physiology by taking this simple quiz.
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(1) Moderate to severe vomiting stimulates thirst.
(2) Moderate to severe diarrhea stimulates thirst.
(3) In response to dehydration (low blood volume, hypovolemia), the following structures/organs contribute to increasing thirst intensity:
(4) Dry mouth stimulates thirst.
(5) Donating 1 pint (473 mL) of blood stimulates thirst.
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Posted: Monday, November 30, 2015
Last updated: Tuesday, March 11, 2025
Last updated: Tuesday, March 11, 2025
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