Which Statement About the Cause of ADHD Is Correct

question 54

Multiple Choice

Which statement about the cause of ADHD is correct?

• A) The cause of ADHD is unknown.
• B) ADHD is caused by exposure to toxic substances in the preschool years.
• C) The cause of ADHD likely involves childhood vaccinations.
• D) ADHD is caused by genetic factors.

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Definitions:

Modified Allen Test

A medical test used to evaluate the blood supply to the hand, ensuring the patency of the radial and ulnar arteries.

Snellen Test

A visual acuity test using a chart of letters or symbols at decreasing sizes to determine the clarity and sharpness of an individual's vision.

Corneal Light Reflex

A test that evaluates the alignment of the eyes by shining a light into them and observing the reflection from the corneas.

Auscultating Heart Sounds

The act of listening to heart noises for assessment or diagnosis using a stethoscope.