Muscular System

5 Written Questions

1. walls of hollow organs (except heart) in the digestive system, blood vessels, and urinary system
2. The connection of a myosin head group to an actin filament during muscle contraction (the sliding filament theory)
3. neurotransmitter that diffuses across a synapse and produces an impulse in the cell membrane of a muscle cell
4. A
5. the cytoplasm of a striated muscle fiber

5 Matching Questions

1. What type of muscle is voluntary?
2. What is troponin?
3. What structure attaches a bone to a muscle?
4. What is the M-line?
5. What is the neuromuscular junction?

1. a a regulatory protein that moves tropomyosin aside & exposes myosin binding sites when Ca+ is released during muscle contraction
2. b skeletal
3. c supporting proteins that hold the thick filaments together in the H zone
4. d point of contact between a motor neuron and a skeletal muscle cell
5. e tendon

5 Multiple Choice Questions

1. cardiac
   1. What type of muscle exhibits autorhythmicity (beats with a steady rhythm)?
   2. What type of muscle forms the walls of hollow internal structures?
   3. What types of muscles are involuntary?
   4. What type of muscles have a striped appearance?
2. skeletal and cardiac
   1. What type of muscle is voluntary?
   2. What type of muscle has intercalated discs?
   3. What types of muscles are involuntary?
   4. What type of muscles have a striped appearance?
3. cardiac
   1. What type of muscles have a striped appearance?
   2. Where are smooth muscles found in the body?
   3. What type of muscle is voluntary?
   4. What type of muscle forms most of the heart?
4. http://i.quizlet.com/i/519POAtI8mFFx20bDN0p2Q.jpg
   1. What is the origin of a muscle?
   2. What is the endomysium?
   3. Label the skeletal muscle
   4. What is the sarcolemma?
5. in glycosomes
   1. Where is glycogen stored in the muscle cells?
   2. What is the origin of a muscle?
   3. What is another name for a muscle cell?
   4. What is the cytoplasm of the muscle cell?

5 True/False Questions

1. What is the light area of the sarcomere? → sarcoplasm

   True        False

2. What is another name for a muscle cell? → the end of a muscle attached to a movable part

   True        False

3. What is the ability of muscle cells to shorten and generate a pulling force? → skeletal and cardiac

   True        False

4. The thicker filaments are the ________filaments. → myosin

   True        False

5. What is the energy needed for muscle contraction? → stored ATP

   True        False