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Questions and Answers
Which of the following is true about bones?
Which of the following is true about bones?
- Bones are lighter than cast iron (correct)
- Bones are not affected by mechanical and hormonal signals
- Bones are made up of mainly inorganic materials
- Bones do not contain any organic materials
What is the main component of the organic matrix in bones?
What is the main component of the organic matrix in bones?
- Vascularized connective tissue
- Calcium and phosphate
- Collagen (correct)
- Mineral salts
What determines the future length and shape of a mature bone in children and teens?
What determines the future length and shape of a mature bone in children and teens?
- Diaphysis
- Vascularized connective tissue
- Epiphysis
- Growth plate (physis) (correct)
Which property of bones allows them to be flexible?
Which property of bones allows them to be flexible?
What is the function of the epiphysis in a long bone?
What is the function of the epiphysis in a long bone?
Which statement about bones is false?
Which statement about bones is false?
What is the diaphysis of a bone?
What is the diaphysis of a bone?
What is the role of mineral salts in the bone matrix?
What is the role of mineral salts in the bone matrix?
What law states that bones change in response to mechanical signals?
What law states that bones change in response to mechanical signals?
What is the function of the growth plate in bones?
What is the function of the growth plate in bones?
Which type of bone is made up of two layers of compact bone held together by spongy bone?
Which type of bone is made up of two layers of compact bone held together by spongy bone?
What is the function of osteoblasts in bone physiology?
What is the function of osteoblasts in bone physiology?
What is the purpose of the growth plates in long bones?
What is the purpose of the growth plates in long bones?
Which type of bone is small, flat, and develops inside tendons?
Which type of bone is small, flat, and develops inside tendons?
What is the function of the periosteum?
What is the function of the periosteum?
What is the basic functional unit of compact bone?
What is the basic functional unit of compact bone?
What is the composition of bone tissue?
What is the composition of bone tissue?
What is the function of spongy bone in bone physiology?
What is the function of spongy bone in bone physiology?
What is the role of osteocytes in bone physiology?
What is the role of osteocytes in bone physiology?
What is the main function of bones in the body?
What is the main function of bones in the body?
Which type of muscle is under voluntary control?
Which type of muscle is under voluntary control?
Which type of muscle is attached to the skeleton?
Which type of muscle is attached to the skeleton?
What type of muscle causes movement at the joints by attaching to the skeleton through tendons?
What type of muscle causes movement at the joints by attaching to the skeleton through tendons?
What type of muscle has fascicles arranged in a circular arrangement to form sphincter muscles?
What type of muscle has fascicles arranged in a circular arrangement to form sphincter muscles?
What type of muscle has fascicles arranged on both sides of a centrally positioned tendon?
What type of muscle has fascicles arranged on both sides of a centrally positioned tendon?
What type of muscle generates force without changing the length of the muscle?
What type of muscle generates force without changing the length of the muscle?
What are muscles called that directly oppose the prime mover?
What are muscles called that directly oppose the prime mover?
What are muscles called that control unwanted movements associated with the action of the prime movers?
What are muscles called that control unwanted movements associated with the action of the prime movers?
What is the muscle called that bends the joint?
What is the muscle called that bends the joint?
What is the muscle called that straightens the joint?
What is the muscle called that straightens the joint?
Which type of muscle is generally not under voluntary control?
Which type of muscle is generally not under voluntary control?
What is the function of tendons in relation to skeletal muscles?
What is the function of tendons in relation to skeletal muscles?
Which type of muscle has fascicles arranged in a circular arrangement?
Which type of muscle has fascicles arranged in a circular arrangement?
What type of muscle action involves muscles shortening and generating force?
What type of muscle action involves muscles shortening and generating force?
What are muscles called that directly oppose the prime mover?
What are muscles called that directly oppose the prime mover?
Which type of muscle has fascicles arranged on both sides of a centrally positioned tendon?
Which type of muscle has fascicles arranged on both sides of a centrally positioned tendon?
What is the function of synergists in muscle action?
What is the function of synergists in muscle action?
Which type of muscle has short fascicles in relation to the total muscle length?
Which type of muscle has short fascicles in relation to the total muscle length?
What is the function of the flexor muscle in joint movement?
What is the function of the flexor muscle in joint movement?
Which type of muscle is attached to the skeleton?
Which type of muscle is attached to the skeleton?
What is the composition of bone tissue?
What is the composition of bone tissue?
What is the function of the periosteum?
What is the function of the periosteum?
What is the function of osteocytes in bone physiology?
What is the function of osteocytes in bone physiology?
What is the main component of the organic matrix in bones?
What is the main component of the organic matrix in bones?
What is the function of tendons in relation to skeletal muscles?
What is the function of tendons in relation to skeletal muscles?
What is the function of the epiphysis in a long bone?
What is the function of the epiphysis in a long bone?
What is the role of mineral salts in the bone matrix?
What is the role of mineral salts in the bone matrix?
What law states that bones change in response to mechanical signals?
What law states that bones change in response to mechanical signals?
What is the function of the growth plate in bones?
What is the function of the growth plate in bones?
What is the main function of bones in the body?
What is the main function of bones in the body?
Which type of muscle is generally not under voluntary control?
Which type of muscle is generally not under voluntary control?
What is the muscle called that straightens the joint?
What is the muscle called that straightens the joint?
What type of muscle has fascicles arranged in a circular arrangement to form sphincter muscles?
What type of muscle has fascicles arranged in a circular arrangement to form sphincter muscles?
What type of muscle action involves muscles elongating in response to a greater opposing force?
What type of muscle action involves muscles elongating in response to a greater opposing force?
What is the main component of the organic matrix in bones?
What is the main component of the organic matrix in bones?
What type of muscle is under voluntary control?
What type of muscle is under voluntary control?
What type of muscle has fascicles arranged on both sides of a centrally positioned tendon?
What type of muscle has fascicles arranged on both sides of a centrally positioned tendon?
What is the function of the flexor muscle in joint movement?
What is the function of the flexor muscle in joint movement?
What is the function of the epiphysis in a long bone?
What is the function of the epiphysis in a long bone?
What is the main function of bones in the body?
What is the main function of bones in the body?
Which type of bone is made up of two layers of compact bone held together by spongy bone?
Which type of bone is made up of two layers of compact bone held together by spongy bone?
What is the composition of bone tissue?
What is the composition of bone tissue?
What is the function of osteocytes in bone physiology?
What is the function of osteocytes in bone physiology?
What is the role of osteoblasts in bone physiology?
What is the role of osteoblasts in bone physiology?
What is the function of the periosteum?
What is the function of the periosteum?
What is the function of the growth plate in bones?
What is the function of the growth plate in bones?
What determines the future length and shape of a mature bone in children and teens?
What determines the future length and shape of a mature bone in children and teens?
What is the main function of bones in the body?
What is the main function of bones in the body?
What is the main component of the organic matrix in bones?
What is the main component of the organic matrix in bones?
What is the function of spongy bone in bone physiology?
What is the function of spongy bone in bone physiology?
Study Notes
Bone Structure and Function
- The main component of the organic matrix in bones is collagen.
- The diaphysis is the shaft of a long bone.
- The epiphysis is the rounded end of a long bone that forms a joint.
Bone Growth and Development
- The growth plate determines the future length and shape of a mature bone in children and teens.
- The growth plate is responsible for bone growth and development.
Bone Composition
- Bone tissue is composed of organic matrix (collagen) and inorganic matrix (mineral salts).
- Mineral salts, such as calcium and phosphate, give bones their hardness and rigidity.
Bone Cells and Functions
- Osteoblasts are responsible for bone formation and growth.
- Osteocytes are mature bone cells embedded in the bone matrix.
- The periosteum is a layer of connective tissue that covers the surface of bones, providing nourishment and protection.
Muscle Structure and Function
- Skeletal muscles are attached to the skeleton and are under voluntary control.
- Muscles that directly oppose the prime mover are called antagonists.
- Muscles that control unwanted movements associated with the action of the prime mover are called synergists.
Muscle Types
- Flexor muscles bend the joint.
- Extensor muscles straighten the joint.
- Sphincter muscles have fascicles arranged in a circular arrangement.
- Bipennate muscles have fascicles arranged on both sides of a centrally positioned tendon.
Muscle Actions
- Concentric muscle action involves muscles shortening and generating force.
- Eccentric muscle action involves muscles elongating in response to a greater opposing force.
- Isometric muscle action involves muscles generating force without changing length.
Bone and Muscle Interactions
- Tendons connect skeletal muscles to bones, transmitting forces from the muscle to the bone.
- Bones provide a scaffold for muscle attachment and movement.
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Description
Test your knowledge on bones and muscles with this quiz by Siobhán O'Connor, MSc PhD Certified Athletic Therapist. Learn about the strength and flexibility of bones, their composition, and their role as connective tissue. Challenge yourself and discover how much you know about these essential parts of the human body.
