Assistant principals aid the principal in the overall administration of the school. Some assistant principals hold this position for several years to prepare for advancement to principal jobs; others are career assistant principals.n larger school systems, a principal is often assisted by someone known as a vice-principal (Republic of Ireland: deputy principal) or assistant principal.
Causes. Pressure on the bladder during delivery is the main cause of a ruptured bladder, although a weakness in the bladder wall may make it susceptible to a rupture. In older horses, a ruptured bladder may be caused by an accident or related to a urinary obstruction.
Causes of a Prolapsed Bladder. The following factors are commonly associated with causing a prolapsed bladder: Childbirth: This is the most common cause of a prolapsed bladder. The delivery process is stressful on the vaginal tissues and muscles, which support a womanâs bladder.