Which dermatomes are associated with the nipples?

• A. T2 and T6
• B. T4 and T8
• C. T4 and T10
• D. T3 and T5

Answer: (C)

The correct answer identifies the dermatomes associated with the nipples, which are primarily located at the fourth thoracic level (T4). The nipple line typically spans across T4, and while there can be some variation, it is generally agreed upon in clinical practice and anatomy references that T4 corresponds most closely with this anatomical landmark.

Recognizing the boundaries of other choices, T2 and T6, T4 and T8, and T3 and T5 do not align with the standard dermatomal mapping where T4 is specifically identified with the nippled area. While T3, T5, T6, T2, and T8 represent other segments of the thoracic spine and the associated dermatomes, they do not correspond to the typical location for the nipples or encompass the T4 dermatome. This highlighting of T4 emphasizes its significance in identifying dermatomes pertaining to the chest region, offering valuable insight for clinical assessments related to sensory function in this area.