Shivering can occur with normothermia due to which factor?

Shivering can occur with normothermia due to which factor?

• A. Ambient room temperature
• B. Fluid shifts recovering from anesthesia causing perceived cold
• C. Analgesia requirements
• D. Age-related changes

Answer: (B)

Shivering with a normal body temperature occurs because shivering is driven by perceived cold, not just an actual drop in core temperature. As anesthesia wears off, shifts in body fluids and returning perfusion change skin temperature signals and the sensation of cold. This perceived cold triggers the hypothalamus to initiate shivering to generate heat and restore comfort, even though the core temperature remains within the normal range. So fluid shifts during recovery from anesthesia causing perceived cold best explains why shivering can occur despite normothermia. Ambient room temperature, analgesia needs, and age can influence thermoregulation, but they don’t explain the mechanism as directly in this scenario.

Shivering with a normal body temperature occurs because shivering is driven by perceived cold, not just an actual drop in core temperature. As anesthesia wears off, shifts in body fluids and returning perfusion change skin temperature signals and the sensation of cold. This perceived cold triggers the hypothalamus to initiate shivering to generate heat and restore comfort, even though the core temperature remains within the normal range. So fluid shifts during recovery from anesthesia causing perceived cold best explains why shivering can occur despite normothermia. Ambient room temperature, analgesia needs, and age can influence thermoregulation, but they don’t explain the mechanism as directly in this scenario.