ramp 1. (rÄmp) n. 1. An inclined surface or roadway connecting different levels. 2. A mobile staircase by which passengers board and leave an aircraft. 3. A concave bend of a handrail where a sharp change in level or direction occurs, as at a stair landing.
About H2 blockers. H2 blockers â also known as histamine 2 receptor antagonists â are medications that decrease the amount of acid the stomach produces. These drugs are used to treat various gastrointestinal disorders.2 blockers can slow the time it takes to eliminate certain drugs from the body. Of particular concern to individuals taking H2 blockers are: 1  Bronchodilators (drugs that expand airways in the lungs) such as aminophylline, oxtriphylline or theophylline. 2  Anticoagulants (drugs that help prevent blood clots).
Beta blockers, also called beta-adrenergic blocking agents, treat a variety of conditions, such as high blood pressure and migraines. Find out more about this class of medication. By Mayo Clinic Staff. Beta blockers, also known as beta-adrenergic blocking agents, are medications that reduce your blood pressure.