In which of the following conditions do receptors for warmth fire?

A) When skin temperature increases.
B) When body temperature decreases.
C) When nociceptors in the skin are depressed.
D) When phantom limb pain is aroused.

Nociceptors

Sensory receptors found in skin, muscles, and organs that detect harmful stimuli or signals for potential damage, leading to the perception of pain.

Phantom Limb Pain

Perception of pain apparently “in” limbs that have been amputated, often because of activation of nerves in the stump of the missing limb.