Functions

Question 1

Functions of the nervous system:

Answer 1

COMMUNICATION, CONTROL

Question 2

What is an excitatory postsynaptic potential?

Answer 2

BINDING OF NEUROTRANSMITTER RESULTS IN NEURON BECOMES MORE POSITIVE

Question 3

What is an inhibitory postsynaptic potential?

Answer 3

BINDING OF NEUROTRANSMITTER RESULTS IN NEURON BECOMING MORE NEGATIVE; PREVENT IT FROM EXCITEMENT

Question 4

All-or-none law:

Answer 4

THRESHOLD IS REACHED, ACTION POTENTIAL IS INITIATED AND PROPAGATED ALONG AXON W/O DECREASING IN INTENSITY (ALL). ONLY SUBTHRESHOLD REACHED, ACTION POTENTIAL IS NOT INITIATED (NONE).

Question 5

Where are calcium pumps and calcium channels located in the neuron?

Answer 5

SYNAPTIC BULBS/TRANSMISSIVE SEGMENT

Question 6

Acetylcholine function:

Answer 6

EXCITATORY—ENABLES MUSCLE CONTRACTION, INVOLVED IN MEMORY & GENERAL INTELLECTUAL FUNCTION