Beginner Cervical Plexus Quiz

Q1. Which spinal nerve roots primarily form the cervical plexus?

• T1-T4 posterior rami
• C5-T1 anterior rami
• C5-C8 posterior rami
• C1-C4 anterior rami

Q2. Where is the cervical plexus located?

• Deep to sternocleidomastoid
• Within the parotid gland
• Inside the carotid artery
• Superficial to platysma

Q3. What are the two broad functional groups of cervical plexus branches?

• Somatic and special sensory branches only
• Optic and auditory branches
• Sympathetic and parasympathetic branches only
• Cutaneous and motor branches

Q4. At what landmark do the superficial cutaneous branches emerge around sternocleidomastoid?

• Superior border of the clavicle at the midline
• Midpoint of the posterior border of sternocleidomastoid
• Anterior border of trapezius
• Angle of the mandible

Q5. Which cervical plexus branch supplies skin over the anterior neck?

• Greater occipital nerve
• Transverse cervical nerve
• Ansa cervicalis
• Phrenic nerve

Q6. Which cervical plexus branch supplies skin over the region near the angle of the mandible and lower auricle?

• Great auricular nerve
• Recurrent laryngeal nerve
• Supraclavicular nerve
• Lesser occipital nerve

Q7. Which cervical plexus branch supplies skin posterior and superior to the auricle?

• Lesser occipital nerve
• Ansa cervicalis
• Great auricular nerve
• Transverse cervical nerve

Q8. Which cervical plexus branches descend toward the clavicle and shoulder?

• Lesser occipital nerves
• Long thoracic nerves
• Supraclavicular nerves
• Auriculotemporal nerves

Q9. Which motor loop derived from the cervical plexus supplies several infrahyoid muscles?

• Ansa cervicalis
• Pharyngeal plexus
• Cervical sympathetic trunk
• Brachial plexus

Q10. Which important respiratory nerve receives major contributions from C3-C5?

• Accessory nerve
• Vagus nerve
• Greater auricular nerve
• Phrenic nerve