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.
1 This type of insulin is used with longer-acting insulin. 2  Short-acting: Usually taken about 30 minutes before a meal to cover the blood glucose elevation from eating. 3  This type of insulin is used with longer-acting insulin.4  Intermediate-acting: Covers the blood glucose elevations when rapid-acting insulins stop working. This type of insulin is often combined with rapid-or short-acting insulin and is usually taken twice a day. 2  Long-acting: This type of insulin is often combined, when needed, with rapid-or short-acting insulin. 3  It lowers blood glucose levels when rapid-acting insulins stop working. 4  It is taken once or twice a day.