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.
It keeps working in the background to keep your blood sugar under control throughout your daily routine. Two different long-acting insulin products are available. They include insulin glargine (Lantus), which lasts for up to 24 hours, and insulin detemir (Levemir), which lasts for 18 to 23 hours.