In the simplest reflex arc,
A)a sensory neuron contacts few interneurons before synapsing on a motor neuron.
B)the response is produced by a polysynaptic chain of at least ten neurons.
C)the sensory neuron synapses directly with on a motor neuron.
D)transmission of the impulse from one cell in the arc to another is electrical.
E)None of the answers are correct.

Question

Quizplus · Accepted Answer

In the simplest reflex arc, the sensory neuron synapses directly with a motor neuron, without involving any interneurons or other neurons in between. This direct connection allows for quick and automatic responses to certain stimuli. Therefore, choice C is the best option.

In the Simplest Reflex Arc