Synapses

Question 1

electrical synapses are also known as

Answer 1

gap junctions

Question 2

electical synapses are (faster/slower) than chemical synapses

Answer 2

faster

Question 3

gap junctions facilitate the coupling of ___ ___ from cell to cell

Answer 3

electrical signals

Question 4

what are the three types of chemical synapses

Answer 4

axoaxonic, axodendritic, axosomatic

Question 5

fwhat kind of channelsast synaptic trnasmission involves

Answer 5

transmitter-gated ion channels

Question 6

slow synaptic transmission is done via ____ ___ linked to ___ ___

Answer 6

postsynaptic receptors, G proteins

Question 7

EPPs occur where

Answer 7

neuromuscular junction

Question 8

GAGA receptors are

Answer 8

IPSPs

Question 9

Glutamate receptors are

Answer 9

EPSPs

Question 10

muscarinic ACh receptors cause a slow

Answer 10

IPSP

Question 11

what is temporal summation

Answer 11

EPSPs or IPSOs at the same synapse in rapid succession

Question 12

what is spatial summation

Answer 12

multuple EPSPs or IPSPs generated simultaneously at different locations

Question 13

EPSPs are

Answer 13

transient depolarizations of the postsynaptic membrane

Question 14

IPSPs are

Answer 14

transient hyperpolarizations of the postsynaptic membrane

Question 15

what are ionotropic receptors

Answer 15

enzymes in the synaptic cleft

Question 16

what are metabotropic receptors

Answer 16

G-protein-coupled receptors that use second messengers

Question 17

what does a receptor agonist do

Answer 17

mimic the action of the endogenous neurotransmitter

Question 18

what does a receptor antagonist do

Answer 18

inhibits receptor activation

Question 19

what mediates the postsynaptic response of a fast excitatory chemical synapse

Answer 19

transmitter-gated cation channels opened by glutamate or ACh