A. A. A stress test can be used to test for heart disease. Stress tests are tests performed by a doctor and/or trained technician to determine the amount of stress that your heart can manage before developing either an abnormal rhythm or evidence of ischemia (not enough blood flow to the heart muscle).
The four types of organic compounds are carbohydrates, lipids, proteins and nucleic acids. Organic molecules contain the elements carbon and hydrogen, and they are found and made in living things. Keep Learning.
What are the four types of macromolecules? The four types of macromolecules are nucleic acids, proteins, carbohydrates and lipids. These macromolecules are large molecules that make up most of the bodies of living things. They consist of chains of repeating units, which are known as polymers.