In the adult skeleton, how many bones belong to the appendicular skeleton?

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Study for the AAMI Certified Associate in Biomedical Technology Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

In the adult skeleton, how many bones belong to the appendicular skeleton?

Explanation:
The appendicular skeleton includes the bones of the limbs and the girdles that attach them to the axial skeleton. Counting each region shows the total clearly: the pectoral girdle has four bones (two clavicles and two scapulae). Each upper limb has 30 bones, so both upper limbs total 60. The pelvic girdle consists of two hip bones. Each lower limb has 30 bones, so both lower limbs total 60. Add them up: 4 + 60 + 2 + 60 = 126. So the adult appendicular skeleton has 126 bones.

The appendicular skeleton includes the bones of the limbs and the girdles that attach them to the axial skeleton. Counting each region shows the total clearly: the pectoral girdle has four bones (two clavicles and two scapulae). Each upper limb has 30 bones, so both upper limbs total 60. The pelvic girdle consists of two hip bones. Each lower limb has 30 bones, so both lower limbs total 60. Add them up: 4 + 60 + 2 + 60 = 126. So the adult appendicular skeleton has 126 bones.

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