Day 21 AXYS Task

What is AXYZ?

  1. AXYZ Labels – Decide what in the texts are X, Y, Z and A
  2. X is the main topic discussed in the text.
  3. Y is the sub topic of X.
  4. Z is the contrary topic to X and Y.
  5. There can be X¹, Y¹ and Z¹
  6. A is very rare – it is the super topic under which X, Y and Z come.


Acoustic neuroma, also known as vestibular schwannoma, is a noncancerous and usually slow-growing tumor that develops on the main (vestibular) nerve leading from your inner ear to your brain. Branches of this nerve directly influence your balance and hearing, and pressure from an acoustic neuroma can cause hearing loss, ringing in your ear and unsteadiness. Acoustic neuroma usually arises from the Schwann cells covering this nerve and grows slowly or not at all. Rarely, it may grow rapidly and become large enough to press against the brain and interfere with vital functions. The cause of acoustic neuromas appears to be a malfunctioning gene on chromosome 22. Normally, this gene produces a tumor suppressor protein that helps control the growth of Schwann cells covering the nerves.

What makes this gene malfunction isn’t clear, and in most cases of acoustic neuroma, there is no identifiable cause. This faulty gene is also inherited in neurofibromatosis type 2, a rare disorder that usually involves the growth of tumors on balance nerves on both sides of your head (bilateral vestibular schwannomas).

Now, find out the X, Y, Z and A Topics of the text:

  1. What is the main topic (X) of this text?
  2. What is the sub-topic (Y)?
  3. What is the contrary topic (Z)?
  4. What supports X?
  5. What supports Y?
  6. What supports Z?

Proceed to the Questions Now! Click “Let’s Play.”

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Written by Biju John

Love for English begins with understanding its unknown rules. Biju John lives on the internet, teaching OET, IELTS and PTE. More than a million students have thanked him from their heart.

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