Podcast
Questions and Answers
What is the term used to describe the end of the muscle that is attached to the bone it moves?
What is the term used to describe the end of the muscle that is attached to the bone it moves?
- Articulation
- Fixation
- Insertion (correct)
- Attachment
What is the primary cause of muscular atrophy according to the passage?
What is the primary cause of muscular atrophy according to the passage?
- Aging
- Muscle disuse
- Lack of nerve supply (correct)
- Genetic disorders
What is the key difference between skeletal muscles and smooth muscles?
What is the key difference between skeletal muscles and smooth muscles?
- Skeletal muscles are voluntary, smooth muscles are involuntary
- Skeletal muscles have striations, smooth muscles do not
- Skeletal muscles require direct nerve stimulation, smooth muscles do not
- All of the above (correct)
Which type of muscular dystrophy is described as the most severe and common hereditary form?
Which type of muscular dystrophy is described as the most severe and common hereditary form?
Which muscle type is responsible for the contraction of the heart wall?
Which muscle type is responsible for the contraction of the heart wall?
What is the term used to describe a muscle that bends a joint and brings a limb closer to the body?
What is the term used to describe a muscle that bends a joint and brings a limb closer to the body?
Which system is responsible for skin diseases and disorders like Acne and Eczema?
Which system is responsible for skin diseases and disorders like Acne and Eczema?
What skin condition involves itchy rashes and is related to allergies?
What skin condition involves itchy rashes and is related to allergies?
What type of muscle contraction is involuntary, strong, and rhythmical?
What type of muscle contraction is involuntary, strong, and rhythmical?
Which type of muscles must be stimulated by nerves to operate?
Which type of muscles must be stimulated by nerves to operate?
What are areas of discolored and/or raised skin that are apparent at birth or within a few weeks of birth called?
What are areas of discolored and/or raised skin that are apparent at birth or within a few weeks of birth called?
Which system is primarily responsible for connecting bones and providing stability to joints?
Which system is primarily responsible for connecting bones and providing stability to joints?
Which of the following is the main function of ligaments?
Which of the following is the main function of ligaments?
What is the difference between the axial skeleton and the appendicular skeleton?
What is the difference between the axial skeleton and the appendicular skeleton?
Which of the following is NOT a disorder of the skeletal system mentioned in the text?
Which of the following is NOT a disorder of the skeletal system mentioned in the text?
What is the primary function of the axial skeleton?
What is the primary function of the axial skeleton?
Which of the following statements about the human skeleton is NOT true?
Which of the following statements about the human skeleton is NOT true?
What is the primary function of the bones of the spine?
What is the primary function of the bones of the spine?
Flashcards
Insertion
Insertion
The end of the muscle attached to the bone it moves.
Muscular atrophy cause
Muscular atrophy cause
Caused by the lack of nerve supply to a muscle.
Skeletal vs. Smooth Muscles
Skeletal vs. Smooth Muscles
Skeletal muscles are voluntary, smooth muscles are involuntary. Skeletal have striations, smooth do not. Skeletal attach to bones, smooth line organs.
Duchenne Muscular Dystrophy (DMD)
Duchenne Muscular Dystrophy (DMD)
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Cardiac muscle
Cardiac muscle
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Flexor
Flexor
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Integumentary System
Integumentary System
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Hives
Hives
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Cardiac muscle contraction
Cardiac muscle contraction
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Skeletal muscles
Skeletal muscles
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Birthmarks
Birthmarks
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Muscular System
Muscular System
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Main function of ligaments
Main function of ligaments
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Axial vs. Appendicular
Axial vs. Appendicular
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Primary function of the axial skeleton
Primary function of the axial skeleton
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Study Notes
Muscle System
- Muscular atrophy: decrease in size and wasting of muscle tissue, can occur due to loss of nerve supply, and is common with aging (20-40% muscle loss and strength reduction).
- Flexor: muscle that bends a joint and brings a limb closer to the body.
- Extensor: muscle that straightens a joint and brings a limb away from the body.
Smooth Muscle
- Non-striated, involuntary muscles without striations.
- Do not require direct nerve stimulation to operate.
- Found in the walls of hollow organs, such as the digestive tract.
Muscular Dystrophy
- A group of genetic diseases causing progressive weakness and degeneration of skeletal muscles.
- Over 30 types, varying in age of onset, severity, and affected muscles.
- Duchenne muscular dystrophy (DMD): one of the most severe forms, inherited, and the most common hereditary neuromuscular disease.
Organ Systems
- Integumentary System
- Muscular System
- Skeletal System
- Digestive System
- Respiratory System
- Circulatory System
- Reproductive System
- Excretory System
- Nervous System
- Endocrine System
Skin Diseases and Disorders
- Acne: clogged or plugged hair follicles, resulting in red bumps on the skin.
- Bacterial infections: skin infections caused by bacteria.
- Birthmarks: areas of discolored and/or raised skin present at birth or within a few weeks of birth.
- Eczema and Hives: itchy skin rashes related to allergies.
- Fungal infections: skin diseases caused by fungi.
- Skin cancer
- Viral infection
Skeletal System
- Axial skeleton: formed by the bones of the head, neck, and trunk (80 bones).
- Appendicular skeleton: formed by the bones of the arms and legs.
- Ligaments: strong bands of flexible tissue that hold bones together.
Disorders of Skeletal System
- Arthritis: inflammation of the joints.
- Bone Cancer
- Bursitis
- Kyphosis
- Leukemia
- Osteoporosis
- Poliomyelitis
- Scoliosis
- Spina bifida
- Talipes equinovarus (clubfoot)
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