Diseases Caused by Rickettsial Organisms Are Typically Transmitted to Man

question 11

Multiple Choice

Diseases caused by rickettsial organisms are typically transmitted to man by:

• A)ingestion of contaminated food.
• B)an arthropod vector.
• C)animal bites.
• D)inhalation of aerosols.

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Definitions:

Upright Vertebral Column

A characteristic feature of vertebrates including humans, enabling an upright posture and supporting the body's weight.

Bigger Brain

Generally refers to an increase in the size of the brain, which is often associated with the development of higher cognitive functions and intelligence in various species.

Australopithecus

A genus of hominins that lived in Africa between about 4 to 2 million years ago, known for walking upright and having both ape-like and human-like characteristics.

Primate Fossil

Remains or imprints of ancient primate species preserved in geological contexts.