1. Different in size each time it occurs
2. Always the same size
3. Larger when information has to be conveyed faster
4. Smaller when information goes to a gland rather than a muscle
Always the same size
1. Potassium gates are inactivated and sodium gates are opened
2. Sodium gates are inactivated and potassium gates are opened
3. Both potassium and sodium gates are inactivated
4. Both potassium and sodium gates are opened
Sodium gates are inactivated and potassium gates are opened
1. Dendrite
2. Cyton
3. Axon
4. Nucleus
Axon
1. Muscle fibre
2. Nerve cells
3. Nerve cell bodies
4. None of the above
Nerve cells
1. Efferent
2. Mixed
3. Motor
4. Afferent
Afferent
1. 2 milliseconds
2. 20 milliseconds
3. 200 milliseconds
4. 2000 milliseconds
2 milliseconds
1. Increasing diameter of the soma
2. Increasing diameter of the axon
3. Increasing number of dendrites
4. Increasing branching of the dendrites
Increasing diameter of the axon
1. Amyelinated fibes
2. Myelinated fibes
3. Both A and B
4. None of the above
Myelinated fibes
1. Exhaustion of neurotransmitter
2. Release of more adrenaline
3. Release of more acetylcholine
4. None of the above
Exhaustion of neurotransmitter
1. Noradrenaline
2. Glycine
3. Acetulcholine
4. Hydroxyl- triptamine
Acetulcholine