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MDCAT
Biology
2011

Biology · Coordination and Control

Work through this past-paper style MCQ, then read the full explanation. Practice more biology questions on mMCQ with adaptive drills and topic analytics.

Question

The sense of balance. is maintained with the help of the

Options
  • A

    Cochlea

  • B

    Hammer

  • C

    Anvil

  • D

    Stirrup

  • E

    Semicircular canals

Explanation

The semicircular canals are part of the inner ear and play a crucial role in detecting changes in head position and motion, which are essential for maintaining balance and spatial orientation.

The cochlea is another part of the inner ear responsible for hearing, not the sense of balance.

The hammer, also known as the malleus, is one of the three small bones in the middle ear that transmit sound vibrations to the inner ear. It is involved in hearing but not balance.

The anvil, also known as the incus, is another of the three small bones in the middle ear that transmits sound vibrations to the inner ear. It is involved in hearing but not balance.

The stirrup, also known as the stapes, is the third of the three small bones in the middle ear responsible for transmitting sound vibrations to the inner ear. Like the hammer and anvil, it is involved in hearing and not the sense of balance.

The semicircular canals are part of the inner ear and play a crucial role in detecting changes in head position and motion, which are essential for maintaining balance and spatial orientation.

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Tagged under Biology · Coordination and Control · 2011