Of the Following Radiologic Procedures,which Is (Are)considered Nonessential

question 7

Multiple Choice

Of the following radiologic procedures,which is (are) considered nonessential?
1) A chest x-ray examination automatically scheduled on admission to the hospital
2) Lumbar spine x-ray examination as part of a preemployment physical
3) Whole-body computed tomography (CT) screening

• A)1 and 2 only
• B)1 and 3 only
• C)2 and 3 only
• D)1,2,and 3

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Definitions:

Shared Derived Trait

A characteristic that is present in an ancestral species and is shared exclusively by its evolutionary descendants.

HMS Beagle

A British Royal Navy ship on which Charles Darwin made his famous voyage, providing key observations that led to the development of his theory of natural selection.

Darwin

Charles Darwin, a 19th-century naturalist best known for his contributions to the theory of evolution through natural selection.

Galápagos Island Finches

A group of about 15 species of finches from the Galápagos Islands, known for their varied beak shapes and sizes, which inspired Charles Darwin's theory of natural selection.