Generally, Nerve Impulses Do Not Move "Backward" Along a Series

question 6

Multiple Choice

Generally, nerve impulses do not move "backward" along a series of neurons. What is the reason for this?

• A) There is a short refractory period during which sodium gates cannot open and an action potential cannot move backwards.
• B) Once the signal has passed, the nerves separate from each other so it cannot go backwards.
• C) At the synapse, the presynaptic membrane has receptors, ensuring the transmission only goes one way.
• D) Once the sodium channels open, they cannot be closed.
• E) The resting potential of the neuron prevents it from conducting an impulse.

---

Definitions:

D-Day

June 6, 1944, when an Allied amphibious assault landed on the Normandy coast and established a foothold in Europe, leading to the liberation of France from German occupation.

Unemployment Declined

A situation where the rate of unemployment decreases, indicating a period of economic growth or recovery.

Income Taxes

Taxes imposed on individuals or entities based on their income or profits by the government.

Final Solution

The Final Solution refers to Nazi Germany's plan during World War II for the genocide of the Jews, leading to the deaths of six million Jewish people in the Holocaust.