Beginner Sciatic Nerve Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. From which plexus does the sciatic nerve arise?
- Brachial plexus
- Cervical plexus
- Sacral plexus
- Lumbar plexus
Q2. Which spinal nerve roots usually contribute to the sciatic nerve?
- T12 through L2
- L1 through L3
- L4 through S3
- S3 through S5
Q3. Which two major components form the sciatic nerve?
- Femoral and obturator components
- Superior and inferior gluteal components
- Saphenous and sural components
- Tibial and common fibular components
Q4. Through which opening does the sciatic nerve usually leave the pelvis?
- Greater sciatic foramen
- Lesser sciatic foramen
- Femoral ring
- Obturator canal
Q5. What is the usual relationship of the sciatic nerve to piriformis?
- Through the obturator canal
- Anterior to the inguinal ligament
- Inferior to piriformis
- Superior to piriformis
Q6. Which thigh compartment contains the sciatic nerve for most of its course?
- Anterior compartment of the leg
- Medial compartment
- Anterior compartment
- Posterior compartment
Q7. Which muscle group receives major motor branches from the sciatic nerve in the thigh?
- Hamstrings
- Anterior leg dorsiflexors directly
- Gluteus medius and minimus only
- Quadriceps femoris
Q8. Into which two nerves does the sciatic nerve ultimately divide?
- Saphenous and sural nerves
- Tibial and common fibular nerves
- Femoral and obturator nerves
- Medial and lateral plantar nerves
Q9. Which muscle is typically supplied by the common fibular component of the sciatic nerve in the thigh?
- Semitendinosus
- Short head of biceps femoris
- Semimembranosus
- Adductor magnus hamstring part
Q10. Which description best fits the sciatic nerve?
- An L2-L4 lumbar plexus nerve supplying quadriceps
- An L4-S3 nerve containing tibial and common fibular components
- An L1-L2 nerve supplying the abdominal wall
- An S2-S4 sensory nerve limited to the posterior thigh