The Rule of 70 Is Most Useful In

question 177

Multiple Choice

The rule of 70 is most useful in:

• A)identifying the causes of economic growth.
• B)identifying the sources of economic growth.
• C)estimating the productivity of labor.
• D)estimating the doubling time of real GDP for a given growth rate.

---

Definitions:

Aorta

The largest artery in the body, originating from the left ventricle of the heart and extending down to the abdomen, distributing oxygenated blood to the circulatory system.

Ligamentum Arteriosum

A small fibrous band that connects the pulmonary artery to the aorta, a remnant of the fetal circulation.

Celiac Trunk

A major artery originating from the abdominal aorta that supplies blood to the stomach, spleen, liver, and other organs of the upper abdomen.

Pulmonary Trunk

A major blood vessel that carries blood from the heart to the lungs for oxygenation.