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MDS Oral Surgery Biology — practice by topic

Browse 30 questions across 3 Biology topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Biology topics

Biology (30)Dental Entrance (30)Skull and Axial Skeleton (30)

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An anatomy class counts the bones of the adult axial skeleton. The total is:Read the answer and worked solution →How many individual bones make up the adult skull?Read the answer and worked solution →The only moveable bone of the skull is the:Read the answer and worked solution →Besides the skull bones, seven more bones sit with the head: the ossicles and the:Read the answer and worked solution →

Worked practice questions

An anatomy class counts the bones of the adult axial skeleton. The total is:

  1. 80
  2. 18
  3. 40
  4. 60
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Correct answer: A. 80

1. It covers skull, spine and chest. 2. Limb bones are not included. 3. The total is 80 bones. _Source: OpenStax Anatomy and Physiology 2e, Chapter 7, Axial Skeleton._

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How many individual bones make up the adult skull?

  1. 42
  2. 22
  3. 12
  4. 32
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Correct answer: B. 22

1. Twenty one are locked together. 2. One more can still move. 3. So the skull has 22 bones. _Source: OpenStax Anatomy and Physiology 2e, Chapter 7, Axial Skeleton._

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The only moveable bone of the skull is the:

  1. Mandible
  2. Mandrake
  3. Manubrium
  4. Malleolus
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Correct answer: A. Mandible

1. It forms the lower jaw. 2. It must move to chew and speak. 3. That bone is the mandible. _Source: OpenStax Anatomy and Physiology 2e, Chapter 7, Axial Skeleton._

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