Describe the Types of Concerns That an Investigator Might Have

question 23

Essay

Describe the types of concerns that an investigator might have about conducting a study with poor external validity.

---

Definitions:

Glucose

A simple sugar that is an important energy source in living organisms, also a critical component of carbohydrate metabolism.

Cori Cycle

Named for Czech-U.S. biochemist and Nobel laureate Carl F. Cori (1896–1984). Lactic acid, produced by skeletal muscle, is carried in the blood to the liver, where it is aerobically converted into glucose. The glucose may return through the blood to skeletal muscle or may be stored as glycogen in the liver.

Protein Metabolism

The process by which proteins are synthesized, broken down, and converted into other proteins or forms of energy within the body.

Ammonia

A colorless gas with a distinct, pungent smell, NH3, used in various industrial processes and also produced as a waste product in organisms.