EXAM IV Match

Question 1

The neuron cannot respond to a second stimulus, no matter how strong.

Answer 1

Absolute refractory period

Question 2

The interior of the cell becomes less negative due to an influx of sodium ions.

Answer 2

Depolarization

Question 3

The specific period during which potassium ions diffuse out of the neuron due to change in membrane permeability

Answer 3

Repolarization

Question 4

Also called nerve impulse transmitted by axons

Answer 4

Action potential

Question 5

An exceptionally strong stimulus can trigger a response

Answer 5

Relative refractory period

Question 6

Numerous nerve impulses arriving at a synapse at closely timed intervals exert a cumulative effect.

Answer 6

Temporal summation

Question 7

Stimulation of postsynaptic neuron by many terminals at the same time.

Answer 7

Spatial summation

Question 8

An insufficient stimulus

Answer 8

Subthreshold stimulus

Question 9

Any stimulus below the intensity will result in no response in a neuron.

Answer 9

Threshold stimulus