Definition. A nuclear stress test measures blood flow to your heart at rest and while your heart is working harder as a result of exertion or medication. The test provides images that can show areas of low blood flow through the heart and damaged heart muscle.
Lesson at a Glance Outline. Chapter 1, Lesson 2: California's Regions (pp. 12-18) I. Four Regions. A. California's four main regions -- the coast, the Central Valley, the mountains, and the deserts -- each have features that set it apart from the other areas. b. Each region offered early settlers different challenges and advantages.
EspaÃ±ol Choose your region. 1  California - Northern. 2  California - Southern. 3  Colorado - Denver / Boulder / Northern / Mountain areas. 4  Colorado - Southern. 5  Georgia. 6  Hawaii. 7  Maryland / Virginia / Washington, D.C. 8  Oregon / Washington.