CSD 210 TEST QUESTIONS AND ANSWERS
LATEST UPDATE
These drugs block the effects of neurotransmitters
antagonistic
Cerebral spinal fluid is removed from the circulation by:
Arachnoid Villi
These drugs mimic or increase the effects of neurotransmitters
Agonist drugs
The dura layer is very thin and fragile:
False
Vesicles fuse to the membrane for release as a result of:
Ca++ channels opening
What kind of neuron would conduct an action potential with the fastest velocity?
Large diameter, myelinated
These drugs block the effects of neurotransmitters
Antagonistic
In the central nervous system, gray matter refers to_______________, while white
matter refers to_________.
Cell bodies; axons
The thickest meningeal layer that is apposed directly to the skull is:
Dura mater
The arrow associated with "C" identifies the:
Supramarginal Gyris
The structure that connects the lateral ventricles to the third ventricle is the:
Interventricular foramen
Failure of the caudal neuropore to close during development results in what
condition?
Spina Bifida
The sulcus limitans marks the division of the basal and alar plates in the neural
tube. Functionally, derivatives of the basal plate are ____________ while
derivatives of the alar plate are ___________.
Motor; sensory
When a neurotransmitter attaches to a receptor and initiates a sequence of
metabolic reactions that are slower and longer lasting, this is called:
Metabotrophic Effects
Drugs can have a high affinity but low efficacy.
True
In the diagram below, the arrow indicates the_________ and
mediates____________:
Cingulate gyrus; emotion
At rest there is a greater concentration of potassium inside the neuronal cells as
compared to the outside of a neuronal cell.
, True
The coronal plane divides the brain into ___________ and ___________ sections.
Anterior/posterior and rostral/caudal
In embryological development, the nervous system arises from which dermal
layer?
Ectoderm
Neurotransmitters can be excitatory or inhibitory depending on the receptor.
True
An example of a monoamine neurotransmitter is:
Norepinephrine, Serotonin, Dopamine
"Neurons that fire together, wire together" is a concept called:
Hebbian Strengthening
Damage to the artery associated with "B" would cause:
Motor and sensory impairment
How is the action of a neurotransmitter terminated?
Neurotransmitter is degraded by enzymes
Neurotransmitter is transported back into the cell
Combination of degradation and transportation
An excitatory post synaptic potential is typically caused by:
Opening of Na+ channels
A major projection fiber tract is:
Corpus Callosum
Internal Capsule
Anterior Commissure
Cerebral spinal fluid circulates in the:
Subarachnoid space
The membrane potential at rest is typically around ____________ and is caused
by________ (and the sodium potassium pump):
Negative 70 millivolts; leaky K+ channels
In Multiple Sclerosis, the myelin sheath is damaged.
True
In a dorsal view of the brain, this fissure divides the brain in the sagittal plane.
Longitudinal fissure
These may open or close ion channels, alter production of activating proteins, or
activate chromosomes:
Second messengers
The major relay station in the brain is the
Thalamus
What is this structure?
Insula
Glutamate is primarily an inhibitory neurotransmitter.
False - excitatory
The release of a neurotransmitter into the synaptic cleft
Exocytosis
What is contributing to the membrane potential at the peak?
Opening of K+ channels, closing of Na+ channels
LATEST UPDATE
These drugs block the effects of neurotransmitters
antagonistic
Cerebral spinal fluid is removed from the circulation by:
Arachnoid Villi
These drugs mimic or increase the effects of neurotransmitters
Agonist drugs
The dura layer is very thin and fragile:
False
Vesicles fuse to the membrane for release as a result of:
Ca++ channels opening
What kind of neuron would conduct an action potential with the fastest velocity?
Large diameter, myelinated
These drugs block the effects of neurotransmitters
Antagonistic
In the central nervous system, gray matter refers to_______________, while white
matter refers to_________.
Cell bodies; axons
The thickest meningeal layer that is apposed directly to the skull is:
Dura mater
The arrow associated with "C" identifies the:
Supramarginal Gyris
The structure that connects the lateral ventricles to the third ventricle is the:
Interventricular foramen
Failure of the caudal neuropore to close during development results in what
condition?
Spina Bifida
The sulcus limitans marks the division of the basal and alar plates in the neural
tube. Functionally, derivatives of the basal plate are ____________ while
derivatives of the alar plate are ___________.
Motor; sensory
When a neurotransmitter attaches to a receptor and initiates a sequence of
metabolic reactions that are slower and longer lasting, this is called:
Metabotrophic Effects
Drugs can have a high affinity but low efficacy.
True
In the diagram below, the arrow indicates the_________ and
mediates____________:
Cingulate gyrus; emotion
At rest there is a greater concentration of potassium inside the neuronal cells as
compared to the outside of a neuronal cell.
, True
The coronal plane divides the brain into ___________ and ___________ sections.
Anterior/posterior and rostral/caudal
In embryological development, the nervous system arises from which dermal
layer?
Ectoderm
Neurotransmitters can be excitatory or inhibitory depending on the receptor.
True
An example of a monoamine neurotransmitter is:
Norepinephrine, Serotonin, Dopamine
"Neurons that fire together, wire together" is a concept called:
Hebbian Strengthening
Damage to the artery associated with "B" would cause:
Motor and sensory impairment
How is the action of a neurotransmitter terminated?
Neurotransmitter is degraded by enzymes
Neurotransmitter is transported back into the cell
Combination of degradation and transportation
An excitatory post synaptic potential is typically caused by:
Opening of Na+ channels
A major projection fiber tract is:
Corpus Callosum
Internal Capsule
Anterior Commissure
Cerebral spinal fluid circulates in the:
Subarachnoid space
The membrane potential at rest is typically around ____________ and is caused
by________ (and the sodium potassium pump):
Negative 70 millivolts; leaky K+ channels
In Multiple Sclerosis, the myelin sheath is damaged.
True
In a dorsal view of the brain, this fissure divides the brain in the sagittal plane.
Longitudinal fissure
These may open or close ion channels, alter production of activating proteins, or
activate chromosomes:
Second messengers
The major relay station in the brain is the
Thalamus
What is this structure?
Insula
Glutamate is primarily an inhibitory neurotransmitter.
False - excitatory
The release of a neurotransmitter into the synaptic cleft
Exocytosis
What is contributing to the membrane potential at the peak?
Opening of K+ channels, closing of Na+ channels
