Beginner Sympathetic Chain Ganglia Quiz

Q1. From which embryonic cell population do sympathetic chain ganglia develop?

• Neural tube floor plate cells
• Surface ectoderm
• Neural crest cells
• Paraxial mesoderm

Q2. What is another name for the sympathetic chain ganglia?

• Dorsal root nuclei
• Prevertebral ganglia
• Paravertebral ganglia
• Basal ganglia

Q3. Where are the sympathetic trunks located?

• Within the cerebral ventricles
• Inside the vertebral bodies
• Along the sides of the vertebral column
• Inside the spinal cord

Q4. What connects adjacent sympathetic chain ganglia to form a longitudinal trunk?

• Interganglionic branches
• Dentate ligaments
• Dorsal roots
• Posterior commissures

Q5. Which neuronal cell bodies are located in sympathetic chain ganglia?

• Somatic lower motor neurons
• Upper motor neurons
• Postganglionic sympathetic neurons
• Preganglionic sympathetic neurons

Q6. Where are sympathetic preganglionic neuron cell bodies located?

• Dorsal root ganglia
• Cerebellar cortex
• Sympathetic chain ganglia
• Intermediolateral cell column from T1 to L2

Q7. Which structures carry preganglionic sympathetic fibers from spinal nerves into the sympathetic trunk?

• White rami communicantes
• Posterior primary rami only
• Gray rami communicantes
• Dorsal roots

Q8. Which structures return postganglionic sympathetic fibers from the sympathetic trunk to spinal nerves?

• Dorsal rootlets
• Ventral roots only
• White rami communicantes
• Gray rami communicantes

Q9. How far do the paired sympathetic trunks extend?

• Only within the neck
• Only from T1 to T12
• Only through the lumbar region
• From the cervical region to the coccygeal region

Q10. What is the ganglion impar?

• A cervical sensory ganglion
• A nucleus of the medulla
• A parasympathetic ganglion in the head
• The unpaired terminal ganglion of the sympathetic trunks