Attacks per round. The term attacks per round (APR) refers to how many attacks a creature is able to make during a round (6 seconds). The base attacks per round is determined by the creature's base attack bonus (BAB) â or unarmed base attack bonus (UBAB) in the case of a monk fighting unarmed or with a kama.
The exact cause of narcolepsy is unknown. There may be many causes. Most people with narcolepsy have low levels of the chemical hypocretin (hi-poe-KREE-tin).
MS is caused by damage to the myelin sheath. This sheath is the protective covering that surrounds nerve cells. When this nerve covering is damaged, nerve signals slow down or stop. The nerve damage is caused by inflammation. Inflammation occurs when the body's own immune cells attack the nervous system. This can occur along any area of the brain, optic nerve, and spinal cord. It is unknown what exactly causes MS. The most common thought is that a virus or gene defect, or both, are to blame.