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Carley MCQ 31

Topic: Anatomy

Created on Saturday, November 26 2022 by carley

Last modified on Saturday, November 26 2022.

A 75-year-old female presents to your clinic after experiencing speech difficulty for the past week. While she is able to produce fluent, grammatically correct speech, she has difficulty repeating phrases that are read to her. She has likely damaged what structure?

A) Broca's area

B) Uncinate fasciculus

C) Wernicke's area

D) Arcuate fasciculus

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This question was created on November 26, 2022 by carley.
This question was last modified on November 26, 2022.

ANSWERS AND EXPLANATIONS

A) Broca's area

This answer is incorrect.

She is still able to produce fluent speech. If Broca's area were damaged, she would have non-fluent aphasia and would have difficulty producing speech. (See References)

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B) Uncinate fasciculus

This answer is incorrect.

The uncinate fasciculus connects the frontal lobe structures with the anterior temporal lobe structures and is not known to play a role in language. (See References)

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C) Wernicke's area

This answer is incorrect.

The patient is still able to produce grammatically-correct speech (See References)

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D) Arcuate fasciculus

This answer is correct.

The patient is experiencing conduction aphasia, which can be due to damage to the arcuate fasciulus, a deep white matter tract that connects distant areas of the cortex like Broca's and Wernicke's. Patients with conduction aphasia will be able to produce fluent, grammatically correct speech but will have difficulty repeating back phrases and words to the examiner. (See References)

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References:

1. Nolte, J. (2008). The Human Brain: An Introduction to Its Functional Anatomy, 6th ed. Mosby, St. Louis. (ISBN:0323041310)

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anatomy
Carley MCQ 31
Question ID: 112622031
Question written by carley. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 11/26/2022
Modified: 11/26/2022
Estimated Permutations: 24