With a head circumference of 60 cm, what is the distance from O2 to T4?

To determine the distance from O2 to T4 based on the given head circumference of 60 cm, it’s important to understand the anatomical landmarks involved in this measurement. O2 generally refers to the occipital point on the back of the head, while T4 is a specific point located on the forehead.

The distance from O2 to T4 can vary depending on the overall size and shape of the individual's head. However, established norms in anatomical studies suggest that for a head circumference of approximately 60 cm, the distance from O2 to T4 is typically around 12.0 cm. This measurement represents an average that has been derived from standardized positional assessments of the head during anatomical studies and aligns with clinical practice.

Thus, the selection of 12.0 cm accurately reflects the established distance between these two reference points in the context of a 60 cm head circumference, making it a reliable answer in this scenario.