Describe all the characteristics of muscle tissue

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Reference no: EM133675838

Questions

1. Describe all the characteristics of muscle tissue. Which of the characteristics are unique to muscle tissue?

2. List out the structural hierarchy of muscle tissue from smallest to largest. At which of these structures does muscle contraction actually occur?

3. What does potential mean? Why is the sodium-potassium pump so important?

4. What is an isotonic concentric contraction? What is an isotonic eccentric contraction? What is an isometric contraction? Be able to explain all three.

5. List out all steps of muscle contraction. There are FOUR major steps, please ALSO list the specific steps within each major step.

6. Make a flow chart of all the divisions of the nervous system. Describe each one briefly.

7. Name the three major neurons. How does a nerve signal travel through these neurons?

8. What is a synapse? What are the different types of synapses? Describe a chemical synapse. How does the information get transferred? How is the signal shut off? What is synaptic delay? What is synaptic fatigue?

9. What are neurotransmitters? What are the different classes of neurotransmitters? Be familiar with the roles of norepinephrine, dopamine, serotonin and GABA, as described in your text.

10. Describe the neuromuscular junction, and the process of excitation of a muscle cell by a motor neuron. What are the roles of acetylcholine, and chemically-gated ion channels? What are the roles of sodium and potassium? What is a voltage-gated ion channel, and what role do voltage-gated ion channels play in an action potential in a muscle fiber?

Reference no: EM133675838

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