Synapse

Question 1

A synapse is a junction that: ______information transfer from one _____ to effector cell

Answer 1

mediates neuron

effector cell

Question 2

Synapse:
Exodendritic:
Axosomatic:
Axoaxonic:

Answer 2

axon to dendrite
Axon to the cell body (soma)
Axon to axon hillock

Question 3

Synapse:
Neuron 1: ______ _______ ;;; what direction is this impulse?
Neuron 2: _______ _______;;;;what direction is this impulse?

Answer 3

(before neuron) Presynaptic neuron - toward the synapse

(after neuron)Postsynaptic neuron -away from the synapse

Question 4

Electric Synapse: ____ and small molecules flow from one _____ to the next. They _____ activity of all _____ neurons. and have _____ communication
involved in: ______ attention
emotions and _______

Answer 4

ions, neuron
synchronize, interconnected
rapid
mental, memory

Question 5

Most synapses in the body are?

Answer 5

chemical

Question 6

Chemical synapses are specialized to release and receive _______ _______.
Axon terminal on _____ ______.
Contains synaptic ______ (containing _______)
receptor region on ______ neuron.
separated by _____ cleft

Answer 6

chemical neurotransmitters
presynaptic neuron
vesicles, (neurotransmitters) 
postsynaptic 
synaptic

Question 7

Chemical synapses have _______ communication

Answer 7

unidirectional

Question 8

A chemical synapse: First an _____ _____ arrives at the axon _____. Second ______ gated Ca2+ channels open and Ca2+ enters the axon ______. Third Ca2+ entry causes ________ containing synaptic vesicles to ______their contents by ________

Answer 8

action potential, terminal, terminal

release, exocytosis.

Question 9

A chemical synapse: First an _____ _____ arrives at the axon _____. Second ______ gated Ca2+ channels open and Ca2+ enters the axon ______. Third Ca2+ entry causes ________ containing synaptic vesicles to ______their contents by ________. Forth Neurotransmitter is diffused across the synaptic _____ and binds to specific receptors on the _________ membrane. Fifth, Binding of neurotransmitters ____ ion channels resulting in _____ ______ .
Six, Neurotransmitter effects are ______ by ____ through ______ proteins, enzymatic degradation or ____ away from the synapse.

Answer 9

action potential, terminal, terminal
neurotransmitters, release, exocytosis. 
cleft, postsynaptic 
opens, graded potentials 
terminated, reuptake, transport, diffusion

Question 10

Synaptic Delay is? Neural transmission across _______ synapse is relatively _____. Therefore, is the ‘rate ______ factor’ of neural transmission. the greater the number of synapses in a neural pathway = _____ the transmission.

Answer 10

chemical, slow, limiting

slower