Podcast
Questions and Answers
What is the structure that forms the cell membrane of muscle fibers?
What is the structure that forms the cell membrane of muscle fibers?
- Myofibrils
- Sarcolemma (correct)
- Endomysium
- Sarcoplasm
Which type of muscle is both striated and voluntary?
Which type of muscle is both striated and voluntary?
- Skeletal muscle (correct)
- Cardiac muscle
- Smooth muscle
- None of the above
What type of muscle is non-striated and involuntary?
What type of muscle is non-striated and involuntary?
- Skeletal muscle
- Smooth muscle (correct)
- Cardiac muscle
- Myofibrils
Which connective tissue separates the bundles of muscle fibers in skeletal muscle?
Which connective tissue separates the bundles of muscle fibers in skeletal muscle?
What is the shape of skeletal muscle fibers in cross sections?
What is the shape of skeletal muscle fibers in cross sections?
Which organelle in skeletal muscle is responsible for regulating the concentration of calcium ions within the myofibrils?
Which organelle in skeletal muscle is responsible for regulating the concentration of calcium ions within the myofibrils?
What is responsible for the red color of Type I (Red) muscle fibers?
What is responsible for the red color of Type I (Red) muscle fibers?
What is the structural and functional unit of the muscle?
What is the structural and functional unit of the muscle?
Which organelle is formed by the invagination of the sarcolemma and plays an important role in conducting waves of excitation to the myofibrils?
Which organelle is formed by the invagination of the sarcolemma and plays an important role in conducting waves of excitation to the myofibrils?
Which type of muscle fiber contracts faster but becomes easily fatigued?
Which type of muscle fiber contracts faster but becomes easily fatigued?
What is the main function of connective tissue in forming tendons and ligaments?
What is the main function of connective tissue in forming tendons and ligaments?
What is the primary component of ground substance (matrix) in connective tissue?
What is the primary component of ground substance (matrix) in connective tissue?
Which type of collagen represents 90% of the body's collagen and is found in skin, bone, tendon, and ligaments?
Which type of collagen represents 90% of the body's collagen and is found in skin, bone, tendon, and ligaments?
What is the staining color for collagen fibers that are flexible and have high strength?
What is the staining color for collagen fibers that are flexible and have high strength?
Which type of fiber in connective tissue is stained black by silver salts and is referred to as argyrophilic?
Which type of fiber in connective tissue is stained black by silver salts and is referred to as argyrophilic?
What is the function of reticular cells in connective tissue?
What is the function of reticular cells in connective tissue?
What is the distinguishing feature of unilocular adipocytes?
What is the distinguishing feature of unilocular adipocytes?
What is the main function of free macrophages in connective tissue?
What is the main function of free macrophages in connective tissue?
What is the defining characteristic of plasma cells?
What is the defining characteristic of plasma cells?
What is the function of undifferentiated mesenchymal cells in connective tissue?
What is the function of undifferentiated mesenchymal cells in connective tissue?
