How many bones are in 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

How many bones are in the appendicular skeleton?

Explanation:
The number refers to the bones that make up the limbs and their girdles—the shoulders and hips. Each upper limb has 30 bones, so both upper limbs add up to 60. Each lower limb also has 30 bones, giving 60 for both lower limbs. The shoulder girdles provide 4 bones (two clavicles and two scapulae), and the pelvic girdle provides 2 bones (the two hip bones). Adding them together: 60 + 60 + 4 + 2 equals 126 bones. The whole skeleton has 206 bones, with the axial skeleton contributing about 80, so the other numbers don’t reflect the appendicular total.

The number refers to the bones that make up the limbs and their girdles—the shoulders and hips. Each upper limb has 30 bones, so both upper limbs add up to 60. Each lower limb also has 30 bones, giving 60 for both lower limbs. The shoulder girdles provide 4 bones (two clavicles and two scapulae), and the pelvic girdle provides 2 bones (the two hip bones). Adding them together: 60 + 60 + 4 + 2 equals 126 bones. The whole skeleton has 206 bones, with the axial skeleton contributing about 80, so the other numbers don’t reflect the appendicular total.

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