LONG ESSAYS (10 Marks)
- Explain RMP and How RMP is maintained.
- Explain the structure of Neuro-muscular junction with a neat diagram. Give the sequence of events in transmission of nerve impulses through the NMJ
- Describe Excitation-Contraction Coupling in skeletal muscle .What is the phenomenon of muscle fatigue?
- Define Action potential. Explain the various phases & ionic basis of nerve action potential with a suitable diagram.
SHORT ESSAYS (5 Marks)
- Strength-Duration curve
- Saltatory conduction
- Erlanger and Gasser classification of nerve fibers
- Ionic basis of nerve action potential
- Explain the changes during Wallerian degeneration and regeneration of injured nerve fiber
- Molecular basis of skeletal muscle contraction
- Resting membrane potential
- Refractory period
- Neuromuscular blockers
- Walk along mechanism for contraction of skeletal muscle
- Give the differences between skeletal muscle and smooth muscle
- Define action potential. Explain the various phases of nerve action potential
- Differences between isotonic & isometric contraction
- Neuro- muscular junction
- Excitation-Contraction coupling
- End plate potential
- Differences between skeletal and cardiac muscle
- Draw a neat labeled diagram of a spinal motor neuron
- Neuroglia
- Myasthenia gravis
- Sarcotubular system
- Properties of a nerve fiber
- Motor unit.
SHORT ANSWERS (5 Marks)
- Draw and label a Sarcomere in the relaxed state
- Muscle proteins
- Chronaxie and Rheobase
- Saltatory conduction
- Strength duration curve
- Fatigue
- Distal changes in axon following nerve injury
- Tetanus and Clonus
- Myasthenia Gravis
- All or none law
- Difference between Action potential and local potential
- Define motor unit
- Oxygen Debt
- Define resting membrane potential. Give the normal values of Rmp of nerve, skeletal, cardiac and smooth muscle
- Define the following terms:
- Action potential
- End plate potential
- Miniature end plate potential
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