Reading TEAS Practice Test Related

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An adult skeleton had 206 bones. The skeleton has two major divisions: the axil skeleton and the appendicular skeleton. The axial skeleton, which consists of 80 bones including the skull, vertebrae, and rib, is located down the center of the body. The axial skeleton protects vital organs such as the brain and heart. The appendicular skeleton consists of 126 ones of the arms, legs, and the bones that attach these bones to the axial skeleton. The appendicular skeleton includes the scapulae (shoulder blades), clavicles (collarbones), and pelvic (hip) bones.

Which of the following bones is not part of the appendicular skeleton?

  • A. skull
  • B. clavicle
  • C. scapula
  • D. pelvic bone
Correct Answer: A

Rationale: The correct answer is A, 'skull.' The skull is part of the axial skeleton, not the appendicular skeleton. The axial skeleton, which includes the skull, vertebrae, and ribs, is located down the center of the body and protects vital organs such as the brain and heart. On the other hand, the appendicular skeleton consists of bones of the arms, legs, and the bones that attach these limbs to the axial skeleton. Choices B, C, and D (clavicle, scapula, pelvic bone) are part of the appendicular skeleton as they form the bones of the limbs and girdles that connect the limbs to the axial skeleton.