CH 6: Musculoskeletal tissues

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Questions and Answers

What is the primary function of bones in the musculoskeletal system?

  • To produce collagen fibers and mineral salts
  • To provide structure and attachment points for muscles (correct)
  • To facilitate the movement of nutrients and waste
  • To generate energy for bodily functions

What is a characteristic that distinguishes cartilage from other tissues?

  • It has a rigid structure
  • It contains nerves
  • It contains blood vessels
  • It does not contain blood vessels or nerves (correct)

Which process occurs as a child grows, where cartilage is replaced by bone tissue?

  • Calcification
  • Hydration
  • Ossification (correct)
  • Sedimentation

What are the primary components of the mineral salts found in bones?

<p>Calcium and phosphates (D)</p> Signup and view all the answers

What is the microscopic structure of bones called, featuring Haversian canals surrounded by lamellae?

<p>Haversian system (C)</p> Signup and view all the answers

What is the main role of joints in the musculoskeletal system?

<p>To facilitate movement between bones (B)</p> Signup and view all the answers

What is the primary component of cartilage that provides support and flexibility?

<p>Chondrocytes embedded in a matrix rich in collagen and proteoglycans (C)</p> Signup and view all the answers

What type of joint allows no movement?

<p>Fibrous joints (C)</p> Signup and view all the answers

What is the role of synovial fluid in synovial joints?

<p>To reduce friction (D)</p> Signup and view all the answers

What connects muscles to bones?

<p>Tendons (B)</p> Signup and view all the answers

What connects bones to other bones?

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

What is the role of antagonistic muscles?

<p>To control movement by contracting and relaxing (A)</p> Signup and view all the answers

Which muscle contracts to bend the arm?

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

Which type of joint is particularly crucial for free movement in various directions?

<p>Synovial joints (B)</p> Signup and view all the answers

How do muscles typically operate in pairs?

<p>By contracting and relaxing alternately (C)</p> Signup and view all the answers

Which of the following connective tissues does not contain blood vessels or nerves?

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

Which process occurs in bones as a child grows?

<p>Ossification (C)</p> Signup and view all the answers

What is the primary function of joints in the musculoskeletal system?

<p>Movement (C)</p> Signup and view all the answers

What is the primary role of bones in the musculoskeletal system?

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

Which type of connective tissue is primarily responsible for connecting muscles to bones?

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

What is the role of antagonistic muscles?

<p>They oppose each other's action (D)</p> Signup and view all the answers

What is the primary component of cartilage that provides support and flexibility?

<p>Collagen fibers (D)</p> Signup and view all the answers

What type of joint provides stability for the spine?

<p>Cartilaginous joints (B)</p> Signup and view all the answers

Which structure in the musculoskeletal system connects muscles to bones?

<p>Tendons (C)</p> Signup and view all the answers

Which type of joint is encapsulated and contains synovial fluid?

<p>Synovial joints (D)</p> Signup and view all the answers

What is the primary role of ligaments in the musculoskeletal system?

<p>Connect bones to other bones (D)</p> Signup and view all the answers

Which muscle contracts to straighten the arm?

<p>Triceps (C)</p> Signup and view all the answers

What is the primary function of synovial fluid in joints?

<p>Reducing joint friction (B)</p> Signup and view all the answers

Which type of joint allows movement between the skull bones?

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

What is the main role of antagonistic muscles in the musculoskeletal system?

<p>Facilitating complex movements (C)</p> Signup and view all the answers

Which type of joint is characterized by having a fibrocartilaginous disc that allows for smooth movement and shock absorption?

<p>Symphysis joint (B)</p> Signup and view all the answers

Which type of joint is found in the spine and provides slight movement?

<p>Cartilaginous joints (C)</p> Signup and view all the answers

What is the primary component of mineral salts found in bones that provides them with hardness and flexibility?

<p>Calcium phosphates (C)</p> Signup and view all the answers

Which structure in the musculoskeletal system is primarily responsible for connecting muscles to bones and transmitting the force of muscle contractions?

<p>Tendons (B)</p> Signup and view all the answers

What connective tissue primarily plays a role in providing joint stability?

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

What is the primary connective tissue component of the matrix that provides cartilage with its ability to resist compressive forces?

<p>Proteoglycans (C)</p> Signup and view all the answers

Which muscle contracts to bend the arm, opposing the action of the triceps muscle?

<p>Biceps brachii (D)</p> Signup and view all the answers

What is the main role of antagonistic muscles in the musculoskeletal system?

<p>Enabling smooth and controlled movement (D)</p> Signup and view all the answers

Which type of joint allows for the greatest degree of freedom and range of motion in various directions?

<p>Ball-and-socket joint (C)</p> Signup and view all the answers

Which type of joint is characterized by a flat surface with minimal motion and serves to protect underlying structures?

<p>Synarthrosis joint (D)</p> Signup and view all the answers

Which type of joint is encapsulated and contains synovial fluid to reduce friction?

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

What is the primary function of ligaments in the musculoskeletal system, in addition to connecting bones to other bones?

<p>Supporting and stabilizing joints (A)</p> Signup and view all the answers

Which connective tissue primarily connects muscles to bones, allowing for movement?

<p>Tendons (C)</p> Signup and view all the answers

What is the main role of joints in the musculoskeletal system?

<p>Enabling movement in various directions (A)</p> Signup and view all the answers

Which type of joint allows no movement and is found in the skull bones?

<p>Fibrous joints (B)</p> Signup and view all the answers

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