MCAT Behavioral Sciences Question 58: Answer and Explanation
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Question: 58
13. A stroke patient comprehends speech but cannot move her mouth to form words. Which of the following brain areas is likely affected?
- A. Broca's area
- B. Wernicke's area
- C. Arcuate fasciculus
- D. Superior temporal gyrus
Correct Answer: A
Explanation:
Broca's area governs the motor function of language. A stroke that affects Broca's area will leave receptive language intact, but word formation will be affected. A stroke affecting Wernicke's area, choice (B), will make it so the individual is unable to comprehend speech. A stroke affecting the arcuate fasciculus, choice (C), will result in an inability to repeat words heard but spontaneous language production is intact. The superior temporal gyrus, choice (D), is where Wernicke's area is located.