Beginner Cervical Plexus Quiz

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

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

Q2. Where is the cervical plexus located?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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