I. Choose the correct answers.
1. Paralysis is characterized by the complete inability to move the extremities.
2. Paralysis is characterized by muscle weakness.
3. Paresis is characterized by a reduction of muscle force.
4. Paresis is characterized by a reduction of muscle velocity and amplitude of movements as well as muscle force.
II. The central paralysis is manifested by the following:
1. Preservation of voluntary movements.
2. Loss of ability of voluntary movement.
3. Increased tendon reflexes.
4. Loss of tendon reflexes.
5. The appearance of pathological reflexes.
6. Muscle atrophy.
7. Increased muscle tone.
III. The peripheral paralysis is characterized by the following:
1. Increased spinal reflexes.
2. The appearance of pathological segmental reflexes.
3. Muscle atrophy.
4. Muscle weakness.
5. Increased muscle tone.
6. Areflexia.
IV. The peripheral paralysis may result from:
1. Complete destruction of the motor nerves.
2. Lesion of neurons located in the ventral horns of the spinal cord.
3. Lesion of neurons located in the dorsal horns of the spinal cord.
4. Lesion of the first neuron of the pyramidal pathways.
5. Lesion of the motor nuclei of the cranial nerves.
V. Decerebrational rigidity is characterized by the following:
1. Increased tone of the flexor muscles.
2. Increased tone of the extensor muscles.
3. Increased activity of the alpha-motoneurons of the spinal cord.
4. Increased activity of the gamma-motoneurons of the spinal cord.
5. Elimination of muscle rigidity after transection of the dorsal roots of the spinal cord.
6. Elimination of muscle rigidity after transection of the ventral roots of the spinal cord.