The answer is A. Hypothalamus.
The hypothalamus is a small region located at the base of the brain that acts as the body's thermostat. It plays a critical role in regulating body temperature through various mechanisms:
Monitoring: The hypothalamus receives signals from temperature sensors in the skin and internal organs, constantly monitoring body temperature.
Regulation: Based on the information received, the hypothalamus initiates various responses to maintain a constant internal temperature (around 37°C or 98.6°F).
Heat Loss: If the body temperature rises, the hypothalamus stimulates mechanisms like sweating, vasodilation (widening blood vessels in the skin), and increased blood flow to the skin to release heat.
Heat Production: If the body temperature drops, the hypothalamus triggers shivering, increased metabolic rate (generating heat), and vasoconstriction (narrowing blood vessels) to conserve heat.
The other glands listed have different functions:
Pituitary Gland: Often called the "master gland," it produces hormones that control various bodily functions, but not directly temperature regulation.
Adrenal Gland: Produces hormones like adrenaline and cortisol, which influence stress response and metabolism, not the core body temperature.
Thyroid Gland: Produces hormones that regulate metabolism and energy expenditure, but not the immediate control of body temperature.
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Explanation
The answer is A. Hypothalamus.
The hypothalamus is a small region located at the base of the brain that acts as the body’s thermostat. It plays a critical role in regulating body temperature through various mechanisms:
Monitoring: The hypothalamus receives signals from temperature sensors in the skin and internal organs, constantly monitoring body temperature.
Regulation: Based on the information received, the hypothalamus initiates various responses to maintain a constant internal temperature (around 37°C or 98.6°F).
Heat Loss: If the body temperature rises, the hypothalamus stimulates mechanisms like sweating, vasodilation (widening blood vessels in the skin), and increased blood flow to the skin to release heat.
Heat Production: If the body temperature drops, the hypothalamus triggers shivering, increased metabolic rate (generating heat), and vasoconstriction (narrowing blood vessels) to conserve heat.
The other glands listed have different functions:
Pituitary Gland: Often called the “master gland,” it produces hormones that control various bodily functions, but not directly temperature regulation.
Adrenal Gland: Produces hormones like adrenaline and cortisol, which influence stress response and metabolism, not the core body temperature.
Thyroid Gland: Produces hormones that regulate metabolism and energy expenditure, but not the immediate control of body temperature.
If you think there is any confusion in given MCQS You can comment.
Drop of Change Academy is Pakistan No.1 online Plate form to prepare all types of Exams including PPSC, FPSC, KPSC, SPSC, Ministry of Defence, And for all one paper MCQS , Pedagogy MCQS, docmcqs general knowledge MCQS, current affair MCQS and alot more