The human sacrum consists of how many vertebrae?
Correct answer: D. Five
- A. Two
- B. Three
- C. Four
- D. Five
Explanation
The sacrum is a large, triangular bone located at the base of the vertebral column, between the lumbar vertebrae and the coccyx. It is formed by the fusion of five separate sacral vertebrae (S1 to S5). These individual vertebrae fuse together during development to form a single bone called the sacrum.
This question appeared on the ETEA MDCAT 2008 paper, which you can sit online with every answer explained.
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The human skeleton provides support, protects organs, enables movement with muscles and stores minerals while bone marrow produces blood cells. Questions cover the axial and appendicular skeleton, types of bones and joints, cartilage, ligaments and tendons, and the difference between fixed, slightly movable and freely movable joints.
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