NSCI Exam 1 Study Questions &
Answers 2024/2025
what is a neuronal membrane made of? - ANSWERSfatty molecules that have phosphorous groups
attached
signal transduction cascade can be initiated by: - ANSWERSneurotransmitters, ions, & secondary
messengers
there is an accumulation of _______ in the axon hillock because there is a lot of energy required for
neurotransmitter release - ANSWERSmitochondria
the membrane potential of a neuron refers to: - ANSWERSthe distribution of ionic charge across the
membrane when the neuron is at rest
which cell is critical for forming the blood brain barrier? - ANSWERSastrocytes
which cell is critical for wrapping myelin sheaths around axons in the brain? - ANSWERSoligodendrocytes
some neurotransmitters are synthesized in the nuclear region of the neuron & packaged into ______
_______ where they are transported to the axon terminal - ANSWERSsynaptic vesicles
the equilibrium potential of an ion across the neuronal membrane refers to the: - ANSWERSpotential at
which a specific ion has no net flow across the neuronal membrane
examples of neurotransmitters: - ANSWERSglutamate, GABA, acetylcholine, norepinephrine, serotonin
what are the three basic tenets that must be met in order to consider a chemical a 'drug'? -
ANSWERSsaturability, reversibility, specificity
Answers 2024/2025
what is a neuronal membrane made of? - ANSWERSfatty molecules that have phosphorous groups
attached
signal transduction cascade can be initiated by: - ANSWERSneurotransmitters, ions, & secondary
messengers
there is an accumulation of _______ in the axon hillock because there is a lot of energy required for
neurotransmitter release - ANSWERSmitochondria
the membrane potential of a neuron refers to: - ANSWERSthe distribution of ionic charge across the
membrane when the neuron is at rest
which cell is critical for forming the blood brain barrier? - ANSWERSastrocytes
which cell is critical for wrapping myelin sheaths around axons in the brain? - ANSWERSoligodendrocytes
some neurotransmitters are synthesized in the nuclear region of the neuron & packaged into ______
_______ where they are transported to the axon terminal - ANSWERSsynaptic vesicles
the equilibrium potential of an ion across the neuronal membrane refers to the: - ANSWERSpotential at
which a specific ion has no net flow across the neuronal membrane
examples of neurotransmitters: - ANSWERSglutamate, GABA, acetylcholine, norepinephrine, serotonin
what are the three basic tenets that must be met in order to consider a chemical a 'drug'? -
ANSWERSsaturability, reversibility, specificity
