While Digging in East Africa in a Layer of Sediment

question 23

Multiple Choice

While digging in East Africa in a layer of sediment which dates back to 4.4 million years ago,you find an early hominin fossil about the size of a chimpanzee.Based on the place and the time you could conclude that it is an

• A)Australopithecus ergaster.
• B)Australopithecus boisei.
• C)Australopithecus africanus.
• D)Ardipithecus ramidus.
• E)Homo ergaster.

---

Definitions:

Peptic Ulcers

Sores that develop on the inner lining of the stomach, small intestine, or esophagus, often resulting from infection with H. pylori or the long-term use of NSAIDs.

Helicobacter Pylori

A type of bacteria that infects the stomach lining and can lead to ulcers and sometimes stomach cancer.

Conceptualizing Disease

The process of forming a comprehensive understanding or model of illness, incorporating medical, social, and individual perspectives.

Howard Leventhal

An American psychologist known for his contributions to health psychology, particularly in the understanding of how people perceive and respond to health threats.