2.1 Neural and Hormonal Systems

Question 1

Neurotransmitters are released into:

Answer 1

The Synaptic Gap.

Question 2

An action potential is comprised of a series of:

Answer 2

Depolarizations

Question 3

The_____ charge of one section of an axon causes the _____ of the next section to open.

Answer 3

Positive; Sodium Gates

Question 4

Sodium ions are more concentrated in the ______ while potassium ions are more concentrated in the _______.

Answer 4

Extracellular fluid; Intercellular fluid.

Question 5

An axon can range in length from a fraction of an inch to:

Answer 5

Several Feet

Question 6

The part of the neuron that is specialized for sending impulses to other neurons is the:

Answer 6

Axon