Which of the neurons in the diagram is modified in a manner that helps enhance the sensitivity of the receptor?

A)A
B)B
C)C
D)None of these choices
E)All of these choices

Question

Which of the neurons in the diagram is modified in a manner that helps enhance the sensitivity of the receptor?

A)A 
B)B 
C)C 
D)None of these choices 
E)All of these choices

Quizplus · Accepted Answer

Neuron B is modified with an inhibitory synapse, which decreases its activity when the receptor is not being activated. This allows for greater contrast and sensitivity in detecting sensory stimuli. Neurons A and C do not appear to have any modifications that enhance receptor sensitivity.

Which of the Neurons in the Diagram Is Modified in a Manner