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.
The types of insulin used to treat diabetes include: 1  Rapid-acting insulin, which starts to work within five minutes. It peaks in an hour, and wears off the soonest. 2  Short-acting, also known as regular insulin. This takes 30 minutes to take effect, and can be taken in advance of a meal.