HBS 2.1.4 The Secret to Signals

Front

What is the chemical Symbol for Sodium?

Back

Na

Front

What is the chemical Symbol for Potassium?

Back

K

Front

An electrical impulse within a single neuron is called a

Back

action potential

Front

Which ions are involved in an action potential? (Hint: Salty Banana)

Back

Na; K

Front

Action potentials run along the ______ from ______ to ________.

Back

axon, dendrites, axon terminals

Front

The sodium potassium pump restores the resting membrane potential. By which process does this occur?

Back

Active transport

Front

In regards of the Sodium-Potassium Pump, which describes the movement of ions to maintain the resting membrane potential of neurons?

Back

3 Na+ Move out, 2 K+ Move in

Front

At which point on the diagram does depolarization of the axon occur? (Hint DR. H.) Options: B, C, E, F

Back

B

Front

At which point on the diagram does repolarization of the axon occur? (Hint DR. H.) Options: B, C, E, F

Back

E

Front

Which number on the graph represents the threshold potential? Options: 1, 2, 3, 4, 6

Back

6