A nuclear stress test is similar to the exercise stress test or pharmacological (chemical) stress test, but a small amount of radioactive substance is used to determine the health of the heart and blood flow to the heart.
The following are the four basic types of economics resources: Land â natural resources such as iron ore, gold, diamonds, oil, etc. Labor â human resources such as wage-earning workers. Capital â plants and equipment used in the production of final goods, such as assembly lines, trucks, heavy duty machinery, factories, etc.
There are four types of expenditures: consumption, investment, government purchases and net exports. Each of these expenditure types represent the market value of goods and services. The expenditure approach to calculating gross domestic product for the nation, or GDP, uses these four expenditure categories as a ...