Which statement is False AND WHY? 1. “Intrafusal fibers” in skeletal muscles ref

Question

Which statement is False AND WHY?

1. “Intrafusal fibers” in skeletal muscles refer to the normal, contractile cells of skeletal muscles

2. “Somatic, spinal reflexes” affect the activity of skeletal muscles and are integrated in the spinal cord

3. The contraction of intrafusal fibers is controlled by gamma () motor neurons

4. The normal function of the knee-jerk reflex is to maintain a stable position of the legs

5. The length of skeletal muscles is monitored by primary and secondary sensory fibers

Explanation / Answer

Which statement is false:

4. The normal function of the knee jerk reflex is to maintain a stable position of legs.

Knee jerk reflex is also known as patellar reflex. It gives sudden kicking movement of the lower leg in response to a sharp tap on the patellar tendon which is present below the kneecap.

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