By blocking the stimulation by these nerves, atenolol reduces the heart rate and is useful in treating abnormally rapid heart rhythms. Atenolol also reduces the force of contraction of heart muscle and lowers blood pressure.
As far a degree, a two or four year degree in finance would be beneficial; however you still would need to go to an approved school and get the license. As a mortgage broker, I suggest getting your license first and get hired with a company prior to committing yourself to a degree; see what the job is all about.
Insurance brokers must have at least a high school diploma or GED for licensure, though most employers look for those with 4-year bachelor's degrees in business, economics or finance. These programs can help would-be brokers learn valuable skills related to brokerage, customer service and insurance sales.