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).
H2 receptor blockersâalso known as Histamine receptor antagonists (H2RAs)âremain a powerful weapon against gastroesophageal reflux disease (GERD). Antacids such as Maalox, Mylanta, and Tums may provide temporary relief of chronic acid reflux, but they donât allow an esophagus battered by stomach acid time to heal.hat's where the H2 receptor blockers come in. These medications include: cimetidine (Tagamet HB), famotidine (Pepcid AC), nizatidine (Axid AR), and ranitidine (Zantac 25, Zantac 75 and Zantac 150).