Why Are Action Potentials Usually Conducted in One Direction

question 62

Multiple Choice

Why are action potentials usually conducted in one direction?

• A) Ions can flow along the axon in only one direction.
• B) The brief refractory period prevents reopening of voltage-gated Na+ channels.
• C) The axon hillock has a higher membrane potential than the terminals of the axon.
• D) Voltage-gated channels for both Na+ and K+ open in only one direction

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Definitions:

Reserve Requirements

Mandatory regulations set by central banks determining the minimum amount of reserves that must be held by commercial banks, ensuring they have enough cash on hand to meet withdrawal demands.

Monetary Policy

The process by which a central bank or monetary authority manages the money supply and interest rates to achieve economic objectives.

Interest Rates

The cost of borrowing money, typically expressed as a percentage of the amount borrowed, that borrowers pay to lenders over a specified period.

Money Supply

The sum of all financial resources in the form of cash and deposits in banks present within an economy at a given moment.