Final answer:
A Raynaud's attack can be precipitated by exposure to cold, emotional stress, and smoking, all of which constrict blood vessels and reduce blood flow to extremities.
Step-by-step explanation:
Three common triggers that can precipitate a Raynaud's attack include:
- Exposure to cold, which causes the blood vessels to constrict excessively and rapidly, leading to reduced blood flow to extremities.
- Emotional stress, which can prompt a similar response where the blood vessels spasm, limiting circulation to fingers and toes.
- Smoking, as nicotine causes the blood vessels to narrow, which can exacerbate Raynaud's phenomenon.
Understanding these triggers is important to manage symptoms and prevent attacks.