Skeletal System Overview

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Questions and Answers

Which type of bone is primarily responsible for providing levers for movement?

  • Long bones (correct)
  • Flat bones
  • Short bones
  • Sesamoid bones

How do osteoclasts contribute to bone remodeling?

  • By producing new bone matrix
  • By breaking down bone tissue (correct)
  • By secreting hormones that increase bone density
  • By converting cartilage to bone

What is the primary function of red bone marrow?

  • Blood cell formation (correct)
  • Production of cartilage
  • Fat storage
  • Calcium storage

Which structure connects bones to other bones at a joint?

<p>Ligaments (A)</p> Signup and view all the answers

What role do the Haversian canals play in compact bone?

<p>Housing blood vessels and nerves (B)</p> Signup and view all the answers

In endochondral ossification, what tissue serves as the initial template for bone development?

<p>Hyaline cartilage (A)</p> Signup and view all the answers

Which of the following is NOT a component of the axial skeleton?

<p>Pelvic girdle (D)</p> Signup and view all the answers

What is the primary function of the parathyroid hormone (PTH) in bone metabolism?

<p>To increase blood calcium levels (D)</p> Signup and view all the answers

How do sesamoid bones, such as the patella, contribute to joint function?

<p>They reduce friction and improve leverage (D)</p> Signup and view all the answers

If a person has a genetic mutation that impairs the function of osteoblasts, which of the following would most likely occur?

<p>Decreased bone density (D)</p> Signup and view all the answers

Flashcards

Skeletal System

Framework of bones and cartilage protecting organs; provides support and movement.

Bone

Dense connective tissue; provides support, protection, and mineral storage.

Cartilage

Connective tissue that cushions joints and provides flexibility.

Joint

Point where two or more bones meet, allowing movement.

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Ligament

Fibrous connective tissue that connects bones to other bones.

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Tendon

Fibrous connective tissue that connects muscles to bones.

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Ossification

Process of bone formation.

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Compact Bone

Outer, dense layer of bone providing strength and protection.

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Spongy Bone

Inner, sponge-like layer of bone containing marrow.

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Bone Marrow

Soft tissue in bones responsible for producing blood cells.

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