n.s. Electrophysiology

Question 1

Electrophysiology:

Answer 1

the cellular mechanims to produce electrical potentials & currents

Question 2

Electrical Potential:

Answer 2

the difference in concentration of charged particles b/w 1 point & 1 point

a form of potential energy, ujnder circumstances can produce an electric current

Question 3

Polarization:

Answer 3

positive vs. negative state f having electrical potential

Question 4

Electric Current:

Answer 4

the flow of charged particles from 1 point to another point

Question 5

in the body the chagred particles are?

Answer 5

Ions

cations/anions

NA, K

Question 6

Gated Ion Channel:

Answer 6

w/in ell membranes that allow IONS to move through

Question 7

Electrical currents in the body are created by?

Answer 7

the flow of ions through gated channels in the cell membrane

Question 8

Intracellular Fluid: (ICF)

Answer 8

ICF AKA Cytosal

contains: sodium ions (positive)
Intercellular ions (negative)

ICF has a net-negative charge

Question 9

Extracellular Fluid:

Answer 9

ECF AKA intestinal fluid

contains:

Potassium Ions(positive)

net-positive charge

Question 10

Diffusion:

Answer 10

movement of particles from a HIGHER to LOWER concentration

movement of IONS through the cell membrane