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.
The Southern California Region extends from the Pacific Ocean and the Los Angeles Metropolitan Area across the state to the âInland Empireâ â i.e., the area directly east of Los Angeles, including the Riverside-San Bernardino-Ontario Metropolitan Area â and the state border with the states of Nevada and Arizona.