Which Statement BEST Reflects Current Research About the Biological Causes

question 52

Multiple Choice

Which statement BEST reflects current research about the biological causes of autism spectrum disorder?

• A) So far, researchers have found no biological causes for autism spectrum disorder.
• B) The problem is much more likely to be with the brain's anatomy rather than with brain functioning.
• C) There are probably multiple biological causes.
• D) Neurotransmitter dysfunction explains problems in the cerebellum, but not the brain stem.

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Definitions:

Suntanned

The darkening of skin color due to the exposure to sunlight or ultraviolet light which increases melanin production in the skin.

Sunburned

Damage to the skin caused by excessive exposure to ultraviolet radiation from the sun, leading to redness and inflammation.

Collagen Fibers

Strong, fibrous proteins that are a major component in skin, bone, tendons, and other connective tissues.

Epiphysis

The end part of a long bone, initially growing separately from the shaft and later fusing with it, involved in joint formation.