Hertz. Hertz (abbreviated: Hz) is the standard unit of measurement used for measuring frequency. Since frequency is measured in cycles per second, one hertz equals one cycle per second. Hertz is used commonly used to measure wave frequencies, such as sound waves, light waves, and radio waves.
Novolin R should only be mixed as directed by the physician. 1  Novolin R is a short-acting insulin and is often used in combination with intermediate- or long-acting insulins. 2  The order of mixing and brand or model of syringe should be specified by the physician. A U-100 insulin syringe should always be used.
Insulin (medication) is the use of insulin and similar proteins as a medication to treat disease. Insulin comes in a number of different types including short acting (such as regular insulin) and long acting (such as NPH insulin). Insulin is used to treat a number of disease including diabetes and its acute complications such as diabetic ketoacidosis and hyperosmolar hyperglycemic states.