_______denotes a reduced volume of blood circulation, subsequently triggering the behavioural response of_______.
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Answer: B. Hypovolemia; drinking
Explanation
Hypovolemia denotes a dangerous decrease in blood plasma volume circulating through the body. This physiological deficit directly stimulates specific osmoreceptors and neural pathways inducing thirst. Organisms respond to this internal imbalance by seeking out and consuming liquids immediately. Body fluid regulation is vital for maintaining cellular homeostasis and proper cardiovascular function. Loss of blood volume triggers hormonal releases such as angiotensin to promote water retention. Behavioral drinking responses ensure rapid restoration of normal intravascular fluid levels.
Medical professionals monitor blood volume closely in trauma patients to prevent hypovolemic shock. Physiology textbooks use fluid regulation examples to illustrate negative feedback homeostatic loops. Understanding thirst mechanisms helps researchers study neurological control over basic survival drives. Cellular dehydration involves water loss from inside cells rather than the vascular blood plasma compartment. Option C pairs cellular dehydration with drinking behavior instead of the correct hypovolemia term. Option D incorrectly pairs blood volume reduction with eating rather than fluid consumption.
- Subject
- Psychology
- Category
- Psychology
- Topic
- —
- Difficulty
- medium
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