Podcast
Questions and Answers
Which of the following is NOT a function of the muscular system?
Which of the following is NOT a function of the muscular system?
- Producing heat to maintain body temperature
- Supporting the body and maintaining posture
- Transporting oxygen to the body's cells (correct)
- Assisting in the movement of blood and lymph
Which muscle acts as the prime mover (agonist) in elbow flexion?
Which muscle acts as the prime mover (agonist) in elbow flexion?
- Brachialis
- Brachioradialis
- Biceps brachii (correct)
- Triceps brachii
What is the role of the tibialis anterior muscle?
What is the role of the tibialis anterior muscle?
- Extension of the hip joint
- Flexion of the knee joint
- Dorsiflexion of the foot and ankle (correct)
- Plantar flexion of the foot and ankle
Which muscle group is primarily responsible for hip extension?
Which muscle group is primarily responsible for hip extension?
What is the purpose of a prosthesis?
What is the purpose of a prosthesis?
What material was used in the ancient Egyptian prostheses?
What material was used in the ancient Egyptian prostheses?
Which technological advancements have revolutionized modern prosthetic technology?
Which technological advancements have revolutionized modern prosthetic technology?
What falls into the category of prostheses besides artificial limbs?
What falls into the category of prostheses besides artificial limbs?
What is the primary function of long bones?
What is the primary function of long bones?
Where does hematopoiesis occur in bones?
Where does hematopoiesis occur in bones?
Which type of bones have a large surface area and are thin and flat?
Which type of bones have a large surface area and are thin and flat?
What is the process of bone tissue formation called?
What is the process of bone tissue formation called?
Which type of muscle is responsible for body movement and is under voluntary control?
Which type of muscle is responsible for body movement and is under voluntary control?
What are the two key proteins involved in muscle contraction?
What are the two key proteins involved in muscle contraction?
Which of the following neurotransmitters is released by motor neurons at the neuromuscular junction to transmit signals that cause muscle contraction?
Which of the following neurotransmitters is released by motor neurons at the neuromuscular junction to transmit signals that cause muscle contraction?
What role do muscles play in conjunction with bones to generate force and movement?
What role do muscles play in conjunction with bones to generate force and movement?
Which type of bone is more solid and stores inorganic salts, providing bone strength?
Which type of bone is more solid and stores inorganic salts, providing bone strength?
What is the function of osteoblasts in the process of bone regeneration after a fracture?
What is the function of osteoblasts in the process of bone regeneration after a fracture?
Which bone structure covers the ends of bones in joints and helps decrease friction?
Which bone structure covers the ends of bones in joints and helps decrease friction?
What is the primary purpose of the hematoma that forms at the site of a fracture?
What is the primary purpose of the hematoma that forms at the site of a fracture?
Flashcards
Osteoblasts
Osteoblasts
Cells responsible for building new bone tissue.
Fracture Reduction
Fracture Reduction
The process of realigning broken bone fragments.
Hematoma
Hematoma
A collection of blood clots at the site of a fracture.
Fibrocartilaginous Callus
Fibrocartilaginous Callus
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Bone Remodeling
Bone Remodeling
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Articular Cartilage
Articular Cartilage
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Spongy Bone
Spongy Bone
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Compact Bone
Compact Bone
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Epiphysis
Epiphysis
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Diaphysis
Diaphysis
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Periosteum
Periosteum
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Endosteum
Endosteum
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Yellow Bone Marrow
Yellow Bone Marrow
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Red Bone Marrow
Red Bone Marrow
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Nutrient Artery
Nutrient Artery
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Femur Calculation
Femur Calculation
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Fracture Healing
Fracture Healing
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Bone Density Loss
Bone Density Loss
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Osteoporosis
Osteoporosis
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Calcium and Vitamin D
Calcium and Vitamin D
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Study Notes
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Osteoblasts build new bone before undergoing apoptosis (cell death)
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Fracture treatment includes reduction (realignment) and immobilization
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Hematoma forms due to hemorrhaged blood clots at the site of the break
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Fibrocartilaginous callus forms to span the break and connect the ends
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Osteoblasts form spongy bone and replace the callus
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Bone remodeling occurs
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Articular cartilage covers bone ends in joints, decreases friction
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Spongy bone is found in bone ends and joints, holds marrow and nutrient vessels
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Compact bone is more solid and stores inorganic salts, provides bone strength
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Epiphyses are bone ends that distribute pressure in joints, make RBCs
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Diaphysis is the midsection of a long bone, contains spongy and compact bone
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Periosteum is the outermost layer of bone, provides support and connection
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Endosteum lines medullary cavity, aids in bone growth
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Yellow bone marrow produces fat, red bone marrow produces blood cells
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Nutrient artery carries blood and nutrients to the bone
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Lower limb bones are thicker, designed for more weight and force
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Wrist bones (carpals) and finger bones (phalanges) are long bones
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Metacarpals anchor phalanges to the wrist
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Phalanges make up fingers and enable dexterity
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Femur calculation is used to estimate height
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Using femur length to determine height is not accurate for all ages
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Tissues of the skeletal system vary depending on slides provided
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Bone names answers will vary based on student performance
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Fracture results in callus formation and bone regeneration
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Cancer and osteoporosis can result in bone breaks
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Symptoms of a fracture include swelling, pain, bruising, and weakness
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Blood clot forms at the site of the fracture, leading to swelling
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Collagen forms a callus, which replaces the blood clot
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Osteoblasts begin bone regeneration 6-12 weeks after a fracture
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Immobilization and pain management help with fracture healing
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Fractures increase risk for fractures as bone density decreases with age
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By age 30, people begin to lose bone density
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Prevent bone loss by getting calcium, vitamin D, and exercising regularly
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