Neurophysiology

Question 1

contains neurotransmitter molecules

Answer 1

synapse vesicles

Question 2

where most transmitters are located

Answer 2

post synaptic density

Question 3

opens up when the synapse is in action

Answer 3

synapse vesicles

Question 4

3 glia cells

Answer 4

microglia, oligodendrocytes, astrocytes

Question 5

protects brain against invasion (infection)

Answer 5

microglia

Question 6

cell that forms the myelin sheath

Answer 6

oligodendrocytes

Question 7

helps transmit signals fast

Answer 7

myelin sheath

Question 8

give structure to the brain, makes up blood brain barrier

Answer 8

astrocytes

Question 9

substance in blood in capillary

Answer 9

lipid soluble substance

Question 10

slips through cell membrane

Answer 10

lipid soluble

Question 11

resting membrane potential in an axon

Answer 11

-70mv

Question 12

high concentration outside cell, low inside cell

Answer 12

Na+, Cl-

Question 13

high concentration inside cell, low inside cell

Answer 13

K+

Question 14

inside cell and cannot leave, huge proteins

Answer 14

A- (anions)

Question 15

concentration gradient

Answer 15

force of diffusion

Question 16

electrical gradient

Answer 16

electrostatic pressure

Question 17

helps maintain/restore the R.M.P after it has been disturbed

Answer 17

3 Na+ ions pumped out, 2K+ ions in (Na+/K+ ATP-ase)

Question 18

inflow of Na+

Answer 18

depolarization (EPSP)

Question 19

outflow of K+

Answer 19

hyperpolarization (IPSP)

Question 20

inflow of Cl-

Answer 20

hyperpolarization (IPSP)