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1 BIOLOGY MCQS

Aphasia is the inability to do what?

  • Walk
  • Communicate
  • Study
  • Bath
Correct Answer: B. Communicate

Detailed Explanation

Aphasia is a language disorder that results from damage to the parts of the brain responsible for communication, particularly in the left hemisphere. It does not affect intelligence but specifically impairs the ability to express or comprehend language. People with aphasia may struggle to speak fluently, find the right words, understand spoken language, or read and write.


🔹 Causes of Aphasia


The most common cause of aphasia is stroke, which interrupts blood supply to the brain and damages language centers. Other possible causes include:




  • Traumatic brain injury (head accidents)




  • Brain tumors




  • Neurodegenerative diseases such as Alzheimer’s




  • Infections or brain inflammation




🔹 Types of Aphasia




  1. Broca’s Aphasia (Expressive Aphasia): Difficulty in speaking but understanding remains relatively intact.




  2. Wernicke’s Aphasia (Receptive Aphasia): Speech may be fluent but nonsensical, and comprehension is impaired.




  3. Global Aphasia: Severe form, affecting both expression and comprehension.




  4. Anomic Aphasia: Difficulty in finding the right words.




🔹 Symptoms of Aphasia




  • Difficulty forming complete sentences




  • Using incorrect or jumbled words




  • Trouble understanding spoken or written words




  • Difficulty in naming objects




  • Speaking in short or incomplete phrases




🔹 Treatment & Recovery


While there is no instant cure, speech and language therapy plays a vital role in recovery. Early treatment after a stroke or injury gives better results. In some cases, the brain adapts and rewires itself (neuroplasticity), helping patients regain some communication skills.


🔹 Key Point


It’s important to note that aphasia does not affect intelligence or reasoning ability—only the ability to communicate effectively.




✅ Key Facts Recap




  • Aphasia = inability to communicate.




  • Caused mainly by stroke or brain injury.




  • Types: Broca’s, Wernicke’s, Global, Anomic.




  • Treated through speech therapy and rehabilitation.




👉 Correct Answer: Option 2 – Communicate

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