Question

After the second order neuron synapses on a __________

a. 1st
b. 2nd
c. 3rd
order neuron, the axon of that neuron extends up into the ______________.
a. Primary motor cortex located in the frontal lobe
b. Somatosensory cortex located in the frontal lobe
c. Somatosensory cortex located in the parietal lobe
d. Primary motor cortex located in the parietal lobe

Answer 1

The correct answer is option C- somatosensory cortex located in the parietal lobe.

Step-by-step explanation:

The somatosensory pathway is the ascending pathway of neurons that transmits the signals from the body to the brain. It begins with the first-order neuron in which the action potential is generated in the response to the stimulus. This first-order neuron transmits the signals to second-order neurons in the dorsal root ganglion.

The second-order neurons transmit the signals from the primary neurons to the third-order neurons in the thalamus which further transmits the signals to the "postcentral gyrus of the somatosensory cortex present in the parietal lobe."

Thus, option C is the correct answer.