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.
What Causes Distended Urinary Bladder: Its Symptoms And Treatment. It is an embarrassing situation when you have an urge to pass urine, but you may not be able to void immediately due to various reasons. The result is you have a distended bladder with mild pain in lower abdomen. Often we all come across such situation mostly while traveling.