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  •  Knee-jerk or the patellar reflex is an example of  Option: 1 Polysynaptic reflex<

 Knee-jerk or the patellar reflex is an example of

 

Option: 1

Polysynaptic reflex

 


Option: 2

Disynaptic reflex

 


Option: 3

Monosynaptic reflex

 


Option: 4

Asynaptic reflex

 


Answers (1)

best_answer

As we have learnt:

 

Monosynaptic Reflexes:

  • The monosynaptic reflexes consist of two neurons. 

  • The first is located within the spinal ganglion. This is the sensory neuron (afferent) whose dendrites detects the stimuli from the muscle. 

  • The neuron II is a motor neuron (efferent) that sends the appropriate signal via its axon back to the same muscle in which the sensory neuron had detected the signal. 

  • This means that the entire arc has only one neuronal synapse that is directly between neuron I and neuron II (without the participation of interneurons).

  • The perfect example of the monosynaptic reflex is the knee-jerk or the patellar reflex.

 

Hence, the correct answer is option c.

Posted by

chirag

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