Podcast
Questions and Answers
Which type of muscle tissue is usually attached to bones and under conscious control?
Which type of muscle tissue is usually attached to bones and under conscious control?
- Skeletal Muscle (correct)
- Cardiac Muscle
- Smooth Muscle
- Autonomic Muscle
What is the function of the transverse (‘T’) tubules in skeletal muscle fibers?
What is the function of the transverse (‘T’) tubules in skeletal muscle fibers?
- They facilitate the release of calcium ions
- They are part of the sarcoplasmic reticulum
- They store myofibrils
- They are involved in muscle contraction (correct)
What is the primary function of the neuromuscular junction?
What is the primary function of the neuromuscular junction?
- To facilitate muscle contraction
- To transmit nerve impulses (correct)
- To store acetylcholine
- To regulate muscle relaxation
What is the purpose of acetylcholinesterase in the neuromuscular junction?
What is the purpose of acetylcholinesterase in the neuromuscular junction?
Which of the following energy sources is used to quickly convert ADP to ATP?
Which of the following energy sources is used to quickly convert ADP to ATP?
What is the outcome of the anaerobic phase of cellular respiration in muscle cells?
What is the outcome of the anaerobic phase of cellular respiration in muscle cells?
What is the term for the amount of oxygen needed by liver cells to use accumulated lactic acid to produce glucose?
What is the term for the amount of oxygen needed by liver cells to use accumulated lactic acid to produce glucose?
What is the term for a sustained, involuntary muscle contraction?
What is the term for a sustained, involuntary muscle contraction?
Which of the following is a common cause of muscle fatigue?
Which of the following is a common cause of muscle fatigue?
What is the term for the thin filaments composed of actin protein in skeletal muscle fibers?
What is the term for the thin filaments composed of actin protein in skeletal muscle fibers?
What is the term for the structure that wraps individual muscle cells in skeletal muscle tissue?
What is the term for the structure that wraps individual muscle cells in skeletal muscle tissue?
What is the minimal strength required to cause muscle contraction?
What is the minimal strength required to cause muscle contraction?
What type of muscle fibers are resistant to fatigue and have a good blood supply?
What type of muscle fibers are resistant to fatigue and have a good blood supply?
What is the term for the period of time when a muscle is not responding to a stimulus?
What is the term for the period of time when a muscle is not responding to a stimulus?
What type of muscle contraction occurs when the muscle contracts and changes length?
What type of muscle contraction occurs when the muscle contracts and changes length?
What is the term for the continuous state of partial contraction of muscles?
What is the term for the continuous state of partial contraction of muscles?
What is the term for the process of increasing the number of motor units activated to produce more precise movements?
What is the term for the process of increasing the number of motor units activated to produce more precise movements?
What type of muscle fibers are shorter and have a single, centrally located nucleus?
What type of muscle fibers are shorter and have a single, centrally located nucleus?
What is the term for the contraction of smooth muscle fibers that resembles skeletal muscle contraction?
What is the term for the contraction of smooth muscle fibers that resembles skeletal muscle contraction?
What is the term for the network of cardiac muscle fibers that contract as a unit?
What is the term for the network of cardiac muscle fibers that contract as a unit?
What is the term for the ability of smooth muscle to change length without changing tautness?
What is the term for the ability of smooth muscle to change length without changing tautness?
