The medulla oblongata is the lower portion of the brainstem. It deals with autonomic functions. The cardiac center is the part of the medulla oblongata responsible for controlling the heart rate.
HazMat Endorsement Requirements. Below is what you can expect when applying for a Class H endorsement: You must have a valid commercial drivers license (CDL) for the state in which youâre applying. It must be valid (not currently suspended or revoked) and not checkered with serious road violations.
The federal USA PATRIOT Act requires Commercial Driver License (CDL) holders to pass a national background check administered by the Department of Homeland Security, Transportation Security Administration (TSA) before their licenses may be endorsed for transport of hazardous materials. Fingerprinting must be done in a Driver License office at the same time the application for a HAZMAT endorsement is made. 2  An application form must be completed and turned in at the time of fingerprinting to be sent to TSA. 3  The application is available on this site and at the Driver License offices.