Which outcome occurs when a hibernating marmot's core temperature rapidly increases above a critical threshold?

💡 Explanation

When a marmot's temperature rises quickly, systemic vasodilation arises because temperature-sensitive neurons signal widespread vessel relaxation, dropping blood pressure. Therefore, systemic vasodilation occurs instead of glycogen changes, brown fat stimulation, or enhanced torpor, which involve different hormonal and neuronal controls.

• Which mechanism causes reduced photosynthetic rate when stomata close partially during midday heat stress?
• Which consequence arises in migratory birds lacking geomagnetic map imprinting?
• Which effect occurs in avian respiratory systems when air sac walls become inflamed?
• Which outcome occurs when a bird experiences increased feather barbule spacing?
• Which outcome occurs when ground squirrels enter hibernation with disrupted mitochondrial uncoupling protein 1 (UCP1)?
• When xylem sap encounters a midday atmospheric vapor pressure deficit, which consequence results?