quiz 2

Question 1

where on a neuron do we find receptors for NT’s

Answer 1

postsynaptic membraine of the dendritic spines

Question 2

what type of glia forms elec insulation around axon of a neuron

Answer 2

schwann cells

Question 3

from where in a neuron are NT molecules released

Answer 3

presynaptic axon button

Question 4

what type of transport is the flow of ions across membrane thru open ion channels

Answer 4

passive trans by diffusion

Question 5

what type of transport froms the Na K gradients across membrane

Answer 5

active transport by ATPase

Question 6

where in a neuron are proteins synthesized

Answer 6

soma

Question 7

what type of molecules make the membrane permeable for solutes

Answer 7

proteins

Question 8

what type of molecule forms the backbone of the membrane, responsible for its barrier properties

Answer 8

phospholipids

Question 9

what parts of the neuron are reffered to as neurites

Answer 9

axon and dendrites

Question 10

what eqn do we use to calculate VM=

Answer 10

goldman hodgkin katz

Question 11

what is width of synaptic cleft

Answer 11

20nm

Question 12

what anatomical part of a neuron can span long distances

Answer 12

axon

Question 13

where do we find presynaptic region of neuron

Answer 13

formed by axon terminals

Question 14

axonal and dendritic

Answer 14

sending and recieving