Beginner Sympathetic Chain Ganglia Quiz

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

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

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

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

Q3. Where are the sympathetic trunks located?

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

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

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

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

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

Q6. Where are sympathetic preganglionic neuron cell bodies located?

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

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

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

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

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

Q9. How far do the paired sympathetic trunks extend?

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

Q10. What is the ganglion impar?

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