WorksheetsB&B Ch 5 Quiz
Total questions: 9
Worksheet time: 5mins
What are the two types of synapses?
Chemical & Electrical
Diffusion & Osmosis
Chemical & Mechanical
Large & Small
What is the direction of information flow at a chemical synapse?
Dendritic spine -> synaptic cleft -> axon terminal
Dendritic spine -> axon terminal -> synaptic cleft
Axon terminal -> dendritic spine -> synaptic cleft
Axon terminal -> synaptic cleft -> dendritic spine
How do neurotransmitters get stored at presynaptic membrane?
Synthesized in cell body and transported along microtubules in a vesicle
Synthesized at presynaptic membrane and stored in vesicles
Uptake at dendrites and transported to axon terminal
Diffuse from cell body to axon terminal down gradient of concentration
What triggers release of vesicles containing neurotransmitters into synapse?
Production of calcium ions by cell metabolism
Intake of calcium ions through voltage-sensitive calcium channel membrane proteins
Production and transport of release proteins to axon terminal
Formation of vesicles at presynaptic membrane
If a neurotransmitter’s receptor hyperpolarizes the postsynaptic neuron, this neuron will be
More negatively charged
Less negatively charged
Less likely to fire
More likely to fire
Neurotransmitters are removed from the synaptic cleft through
Diffusion
Degradation
Uptake by glial cell
Reuptake by postsynaptic neuron
Which neurotransmitter may an 'imbalance' be related to schizophrenia?
Acetylcholine
Dopamine
Serotonin
Norepinephrine
An ________ enhances the function of a synapse, while a ________ blocks or decreases the function of a synapse.
Agonist, antagonist
Antagonist, agonist
Agony, pain
Which synaptic mechanism of learning accounts for decline of a behavior in response to a stimulus?
Sensitization
Habituation
