TCM Diagnostic Theories and Pathologies Practice Test 2025 - Free TCM Practice Questions and Study Guide

In Traditional Chinese Medicine (TCM), a purple tongue is often indicative of stagnation of Qi or Blood. This condition suggests that there is an obstruction or impediment in the flow of Qi (vital energy) or Blood within the body. When Qi and Blood are flowing harmoniously, the tongue typically appears a healthy shade of pink and has a smooth surface. However, when stagnation occurs, the lack of proper circulation can lead to a darker purple hue of the tongue.

This observation aligns with the TCM understanding of the body's internal dynamics where stagnation can be caused by various factors such as emotional stress, physical blockages, or lifestyle choices that disrupt the natural flow of energy. Assessing the tongue is a vital diagnostic tool in TCM, and the color of the tongue can reveal significant insights into a patient's underlying health conditions.

While other options, such as excessive heat, inadequate nutrition, or imbalance in water, can also affect tongue appearance, the specific indication of a purple tongue is most consistently linked to stagnation of Qi or Blood, making this the correct interpretation within TCM diagnostic practices.