The figure given below shows a reflex arc. Id | vedclass

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Question

(A) In the provided diagram of a reflex arc:$P$ points to the dorsal root ganglion,which contains the cell bodies of sensory (afferent) neurons.$Q$ po

Vedclass · Accepted Answer

$P$: Dorsal root ganglion,$Q$: Interneuron,$R$: Efferent end plate

Vedclass · Answer

(A) In the provided diagram of a reflex arc:$P$ points to the dorsal root ganglion,which contains the cell bodies of sensory (afferent) neurons.$Q$ points to the interneuron (relay neuron) located in the grey matter of the spinal cord,which connects the sensory neuron to the motor neuron.$R$ points to the muscle fiber,which acts as the effector organ that responds to the stimulus.Therefore,the correct identification is $P$: Dorsal root ganglion,$Q$: Interneuron,$R$: Muscle fiber (Effector). However,looking at the options provided,option $A$ correctly identifies $P$ and $Q$,and the term 'Efferent end plate' is often used to describe the neuromuscular junction at the effector site $R$.

The figure given below shows a reflex arc. Identify $P, Q,$ and $R$.

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