Aorta. The aorta is the largest blood vessel in the body. It is an artery that directly arises from the heart itself and descends through the thorax and into the abdomen. All the arteries of the body, save the pulmonary arteries, stem from the aorta or one of its main branches.
Ambulance Services. Ambulance Services Overview The Office of Emergency Medical Services licenses all ambulance services that are based in or regularly operate in Massachusetts, and certifies ambulance vehicles. Ambulance services may be private for-profit enterprises, private non-profit entities, municipally run or volunteer services.
Commercial Motor Vehicle Drivers Menu. CDL Medical Information; Frequently Asked Questions; Handbook; Hazmat Endorsements; Medical Report Form; Military Drivers; Skill Test Sites; Third Party Skill Test Sites : All applicants for a Commercial Driver License are required to have an Operators License and pass the vision requirements. Applicants must be at least 18 years of age. If they are under 21, they will be restricted to intrastate operation only. Oral exams may be given in English or Spanish with the exception of skills test or Hazmat exams. Interpreters may not be used during the administration of CDL oral exams or during any portions of the CDL skill exams. Be sure to study the handbook. Class A Exam Requirements â To operate trucks or truck combinations weighing 26,001 lbs or more, and towing a vehicle/unit over 10,000 lbs, then a Class A license is needed.