Question

a major of psychological impairment is *
inattention
road noise
the radio
a cold

Explanation:

Analyze the question stem

The question asks for a major source or form of psychological impairment while driving (noting the slight typo "A major of" in the original text, which stands for "A major source of" or "A major type of").

Evaluate the options

• inattention: This is a direct psychological state where cognitive focus is diverted from the driving task, representing a psychological impairment.
• road noise: This is an environmental factor.
• the radio: This is an external stimulus or potential distraction source, but not a psychological state of impairment itself.
• a cold: This is a physical illness/impairment.

Determine the correct choice

Inattention directly describes a psychological/cognitive state of impairment that affects a driver's ability to process information and react.

Answer:

• (A) inattention (Correct answer)
• (B) road noise
• (C) the radio
• (D) a cold