**Core Concept**
Raynaud's disease is a vasospastic disorder characterized by episodic vasospasm of the digital arteries in response to cold or emotional stress, leading to a triphasic color change in the affected digits.

**Why the Correct Answer is Right**
The sequence of changes in Raynaud's disease is as follows:
* **Initial vasospasm**: There is a sudden constriction of the small arteries supplying the fingers and toes, leading to a decrease in blood flow and a decrease in oxygen delivery.
* **Ischemia**: As a result of the vasospasm, the tissue becomes ischemic, leading to a decrease in the oxygen-hemoglobin dissociation curve and an increase in the release of adenosine.
* **Reperfusion**: As the vasospasm resolves, there is a sudden increase in blood flow to the affected area, leading to the release of oxygen and the appearance of a mottled or blue color.

**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it does not accurately describe the sequence of changes seen in Raynaud's disease.
* **Option B:** This option is incorrect because it reverses the order of the sequence of changes, starting with reperfusion and then ischemia.
* **Option C:** This option is incorrect because it does not include the initial vasospasm, which is a critical component of the sequence of changes seen in Raynaud's disease.

**Clinical Pearl / High-Yield Fact**
The classic triphasic color change in Raynaud's disease is white (ischemia), blue (cyanosis), and red (reperfusion).

**Correct Answer:** C. Ischemia, cyanosis, reperfusion.