D3.3 Homeostasis (Organisms): แบบฝึกหัด

• a.A mechanism that prevents any chemical reactions from occurring in the body.
• b.A change in a variable triggers a response that counteracts the initial change.
• c.A change in a variable triggers a response that amplifies the initial change.
• d.A process where the output of a system is independent of the input signals.

• a.

  It triggers vasodilation, leading to rapid heat loss

• b.

  It increases the set point in the hypothalamus, causing a fever

• c.

  It reduces metabolic heat production, leading to a lower body temperature

• d.

  It causes excessive shivering, which increases core temperature

• a.

  Type 2 diabetes caused by insulin resistance in target cells

• b.

  Thyroid deficiency caused by a lack of iodine in the diet

• c.

  Type 1 diabetes caused by the inability of the pancreas to produce insulin

• d.

  Type 1 diabetes caused by the destruction of alpha cells

• a.Ensuring that the internal environment remains completely static and unchanging.
• b.Allowing the internal temperature to fluctuate wildly with the surrounding climate.
• c.Maintaining the internal environment within narrow limits despite external changes.
• d.Maximizing the metabolic rate regardless of the energy availability.

• a.Cerebellum
• b.Medulla oblongata
• c.Thalamus
• d.Hypothalamus

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