Review Lecture

Question 1

What is the Neuron Doctrine?

Answer 1

The neuron is the basic structural and functional unit of the brain

Question 2

What is the Law of Dynamic Polarization?

Answer 2

Neural/electrical transmission proceeds in a unidirectional flow of information

Question 3

Who created the neuron doctrine and law of dynamic polarization?

Answer 3

Cajal

Question 4

The voltage difference between the intracellular space of a neuron and the surrounding extracellular space is called…?

Answer 4

The membrane potential

Question 5

Excitatory and inhibitory inputs from one neuron onto another is called…?

Answer 5

Synaptic potentials

Question 6

All or none electrical events in a neuron which reflect the spatial and temporal integration of synaptic potentials and the intrinsic excitability of the neuron is called…?

Answer 6

Action potentials

Question 7

The membrane potential at which the net flux of ions across the membrane is 0, given the overall concentrations of that ion on either side of the membrane is called…?

Answer 7

Equilibrium potentials

Question 8

What are the 5 properties of the ion channels?

Answer 8

Ion selectivity, gating, kinetics, state, and distribution (IS G KiSsing D?)

Question 9

What does the Nernst equation study?

Answer 9

The equilibrium potential

Question 10

Which has a higher concentration of Potassium (K), inside or outside the cell?

Answer 10

Inside the cell

Question 11

What are the 3 basic types of neurotransmitters?

Answer 11

1. Excitatory
2. Inhibitory
3. Neuromodulatory