Identify the position of the fetus whose buttocks are in the fundus, whose fetal back is on the maternal right side between the midline and lateral surface of the abdomen, and whose attitude is general flexion.

The answer would be: right occiput anterior (ROA)

Presentation of fetus determines which part of their body that will be delivered first. Some presentation will have bigger surface area than others which could complicate the process of the labor. In this case, the baby back in on the right between the midline and lateral surface of the abdomen, so the occipital area should be at the anterior of the pelvis.

The answer is lymph sinuses.