An Action Potential Is

question 17

Multiple Choice

An action potential is .

• A) a refractory period of the cell membrane
• B) a depolarization of the cell membrane
• C) a rapid depolarization and repolarization of the cell membrane that is propagated
• D) a repolarization of the cell membrane

---

Definitions:

An Essay on the Principle of Population

A work by Thomas Malthus arguing that population growth would outpace agricultural production, leading to widespread poverty and famine unless controlled by societal measures.

Thomas Malthus

An 18th-century British economist known for his theory on population growth, which posits that population increases geometrically while food supply increases arithmetically.

Total Fertility Rates

The average number of children that would be born to a woman over her lifetime, given current birth rates.

Death Rates

A measure of the number of deaths in a particular population, scaled per unit of time, typically expressed per 1,000 individuals per year.