Certified Ambulatory Perianesthesia Nurse (CAPA) Practice Exam

In assessing a patient post-surgery, what does a sensory deficit at nipple level suggest for sympathetic nerve block?

1. T3

2. T4

3. T5

4. T6

The correct answer is: T4

In the context of assessing a patient post-surgery, a sensory deficit at nipple level is indicative of the T4 dermatomal level. The T4 level corresponds to the area of skin innervated by the fourth thoracic spinal nerve, which includes the region around the nipples. When considering sympathetic nerve blocks, it's essential to understand that these blocks affect specific levels of sensation and can lead to a loss of sensation corresponding to the dermatomes innervated by those nerve roots. Sensory deficits at the T4 level suggest that the sympathetic nerve block is effective in sufficiently affecting the T4 segment, which is critical for managing postoperative pain, particularly in upper abdominal surgeries or thoracic procedures. This knowledge is crucial for nurses and anesthetists when monitoring patients and ensuring adequate pain management post-surgery. Noting and interpreting sensory deficits are key components of post-anesthesia assessments, guiding further interventions or adjustments in patient care strategies for effective pain control.