These 10 animal facts will amaze you. A cavity wall consists of two separate walls that have been built closely together with a space in between them. Each of these walls can be constructed of a different type of masonry, such as brick or concrete, or from other materials.
The CPK blood test is a laboratory test that measures creatine phosphokinase (CPK), which is one of the enzymes found in the brain, heart, and skeletal muscles. This is a useful test for helping doctors to diagnose problems such as muscle damage, heart attack, and related conditions. slide 1 of 4.
WHAT IS A CREATINE KINASE LAB TEST? Creatine kinase (CK) or Creatine phosphokinase (CPK) is an enzyme produced by the muscles. There are three types of CK produced by major muscle groups: the brain, the heart, and the skeletal muscle tissue. When muscle cells are injured or diseased, enzymes leak out of the cells and enter the bloodstream.