BIO NMDCAT Neurons

nmdcat.online July 7, 2026

In humans, the patellar reflex (knee-jerk) is clinically tested to assess the functional integrity of the

A. Cranial nerves

B. Spinal cord segments L2-L4

✓

C. Cerebellum

D. Medulla oblongata

📝 Explanation

The patellar reflex is a monosynaptic spinal stretch reflex mediated specifically by the femoral nerve and the lumbar spinal cord segments L2, L3, and L4.

📖 Additional Information

Cranial nerves
Spinal cord segments L2-L4
Cerebellum
Medulla oblongata

The patellar reflex is a monosynaptic spinal stretch reflex mediated specifically by the femoral nerve and the lumbar spinal cord segments L2, L3, and L4.

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