Which of the following is NOT a condition affecting a patient's mental capacity?

The option that indicates "Orientation to time, person, and place" is indeed the one that does not affect a patient's mental capacity. This concept is often used to assess a patient's cognitive state. Evaluating a patient's orientation helps determine how aware they are of their surroundings and their condition. If a patient is oriented to time, person, and place, it typically suggests that their mental capacity is intact or functioning normally in those areas.

In contrast, conditions like head injury with memory issues, significant medical conditions, or substance impairment can negatively impact cognitive function and mental capacity in various ways. Therefore, understanding a patient's orientation serves as a benchmark for assessing their overall mental capacity, which distinguishes it from the other conditions listed.