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.
Duration - how long the insulin lasts in the body. Rapid Acting Insulin - Insulin Lispro, Insulin Aspart and Insulin Glulisine. Short Acting - Insulin Regular (R) is also known as Soluble Insulin. Insulin regular used to be manufactured from beef and pork pancreas but is now available as human recombinant insulin.