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 work by preventing the action of histamine, a substance released by the human immune system during allergic reactions. Histamine normally interacts with gastric H2 receptors to produce stomach acid. The H2 blockers inhibit this response and help reduce gastric acid output.
How long does it take to cook a 2.5-pound meatloaf? Recipes vary, but a meatloaf is generally baked for between 1 to 1 1/2 hours in a 350 to 400 degree oven. The type of meat and fillers used affect the cooking time.
How long does it take to cook meatloaf? A: It takes approximately one to 1.5 hours to cook meatloaf at a temperature of 350 degrees Fahrenheit in a standard 4-inch by 4-inch by 8-inch loaf pan. Individual servings baked inside muffin tins typically take 20 minutes to cook at the same oven temperature. A beef meatloaf is done when it reaches an internal temperature of 170 degrees Fahrenheit, while a pork meatloaf must reach 185 degrees Fahrenheit.