Which of the following statements about parasympathetic neurons is true?

1. The nerve fibers are contained in spinal nerves.

2. They synapse in terminal ganglia, either next to or within the organs innervated.

3. They originate in thoracic and lumbar regions of the spinal cord.

4. Postganglionic fibers are usually longer than those of sympathetic neurons.

Sensors that provide information about joint angle, muscle length, and muscle tension, which is integrated to give information about the position of the limb in space are called as:
1. Golgi tendon organs
2. Meissner’s corpuscles
3. proprioceptors
4. nociceptors

The longest cranial nerve with a large number of parasympathetic fibers is:
1. phrenic
2. spinal accessory
3. vagus
4. thoracic