Beginner Lateral Cutaneous Nerve of Thigh Quiz

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This quiz contains 10 questions. Click below to begin.

Q1. From which plexus does the lateral cutaneous nerve of thigh arise?

  • Lumbar plexus
  • Sacral plexus
  • Brachial plexus
  • Coccygeal plexus

Q2. Which spinal nerve roots usually contribute to the lateral cutaneous nerve of thigh?

  • L2 and L3
  • L1 only
  • L4 and L5
  • S1 and S2

Q3. What type of nerve is the lateral cutaneous nerve of thigh?

  • Mixed motor nerve to quadriceps
  • Parasympathetic nerve
  • Sensory nerve
  • Motor nerve only

Q4. Which region receives cutaneous sensation from this nerve?

  • Medial ankle
  • Posterior leg only
  • Sole of the foot
  • Lateral and anterolateral thigh

Q5. Across which muscle does the nerve descend in the iliac fossa?

  • Gluteus maximus
  • Adductor magnus
  • Gastrocnemius
  • Iliacus

Q6. Which bony landmark is closely related to the nerve as it approaches the thigh?

  • Fibular head
  • Medial malleolus
  • Anterior superior iliac spine
  • Ischial tuberosity

Q7. Which ligament is closely related to the nerve where it enters the thigh?

  • Inguinal ligament
  • Fibular collateral ligament
  • Patellar ligament
  • Sacrotuberous ligament

Q8. Which condition results from entrapment of the lateral cutaneous nerve of thigh?

  • Carpal tunnel syndrome
  • Meralgia paresthetica
  • Tarsal tunnel syndrome
  • Foot drop

Q9. Would an isolated lesion of this nerve normally cause quadriceps weakness?

  • Yes, it supplies hamstrings
  • No, it is a sensory nerve
  • Yes, it supplies the hip adductors
  • Yes, it supplies quadriceps

Q10. Which description best fits the lateral cutaneous nerve of thigh?

  • A femoral nerve branch supplying quadriceps
  • An L2-L3 sensory nerve supplying the lateral thigh
  • An L4-L5 nerve supplying ankle dorsiflexors
  • An S1-S2 motor nerve supplying the calf
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