PSYC 355 FINAL EXAM QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026/2027
Which glial cells are responsible for maintaining the integrity of the extracellular fluid that surrounds
neurons? - Answers Astrocytes
What is the name of the structure where the sensory nerves from the body enter the spinal cord? -
Answers Dorsal root ganglia
What is another name for sensory neurons? - Answers Afferent neurons
Dendritic spines... - Answers Can change shape and number based on the strength of synaptic inputs.
Which membrane lies closest to the surface of the brain? - Answers Pia mater
Growth cones are associated with - Answers Regeneration in the peripheral nervous system.
Which neuroanatomical method provides an outline of entire neurons, including the soma and all of the
cell's processes? - Answers Golgi stain
During normal cell death, developing neurons compete for - Answers Neurotrophic factors.
During axonal transport, which of the following elements helps move materials from the soma to the
terminal? - Answers Motor proteins
Which of the following is a projection pathway linking the cerebral hemispheres? - Answers Corpus
callosum
Which of the following processes is involved in forming the final the number of presynaptic and
postsynaptic neurons during neural development? - Answers Programmed cell death (apoptosis)
Which statement about dendrites is false? - Answers Dendrites may be several meters in length in
giraffes.
Which process occurs to only a limited extent after human birth? - Answers Neurogenesis
Which of the two phenomenon are the result of somewhat similar neural processes: - Answers Banding
of the tectum in a 3-eyed frog and lamination in the lateral geniculate nucleus of the thalamus.
Which of the following classes of neurons can collect the most incoming information based on their
morphology? - Answers Multipolar
Which of the following neuroscience methods can be used to visualize proteins used by a neuron? -
Answers Immunocytochemistry
If an axon is damaged at a distance from the cell body, the portion of the axon beyond the site of injury
(towards the axon terminal) is lost through the process of - Answers anterograde degeneration
Which of the following describes the chemoaffinity hypothesis as applied to target selection and
establishing topographic maps? - Answers Growing axons have receptors that seek out specific chemical
markers on their targets.
, Multiple cell types, including neurons and glia, can arise from the same precursor cells. These precursor
cells are also called which of the following? - Answers Multipotent stem cells
The major function of Schwann cells is the - Answers Myelination of peripheral nerve fibers.
What structure produces cerebrospinal fluid (CSF)? - Answers Choroid plexus
Migrating neurons are guided during early development by - Answers Radial glia.
The ventral roots of the spinal cord carry - Answers Motor information to muscles.
The ability of the brain to be changed by environmental inputs throughout the life span is called -
Answers Plasticity.
What is retrograde axoplasmic transport? - Answers Movement of material from axon terminal to soma.
What is one of the major differences between MRI and CT scanning? - Answers MRI uses magnetic fields
whereas CT scanning uses x-rays.
What is the name of the region where the axon begins? - Answers The axon hillock.
Axons use chemoattractants and chemorepellants to guide their direction of movement by - Answers
following a gradient of concentration of those substances
In multiple sclerosis myelin in is lost, but there can be some recovery. If possible, which cells would be
most likely involved in replacing lost myelin in the spinal cord? - Answers Oligodendrocytes.
Evidence shows that in _______ whose optic nerve has been damaged, _______. - Answers adult frogs;
the retinal axons will grow back to their original positions on the tectum
Synaptic vesicles are found in the - Answers synaptic boutons
The right hemisphere appears to be - Answers important for processing the emotional tone (prosody) of
language
People whose facial muscles have become paralyzed tend to experience - Answers Emotions less
intensely than they did before the paralysis.
Brodmann constructed a map of the neocortex based on which of the following: - Answers The
differences in the cytoarchitecture of the layers of cortex across the different areas of the brain
During the cell migration phase of cortical development, which layer of the cortex do the first cells
migrate to and begin to differentiate? - Answers Layer VI
The stage of Synaptic Rearrangement can be defined as a period in which - Answers there is the loss of
some synapses, and the development of others, to refine synaptic connections.
What factors are thought to keep axons together that are growing along the same path? - Answers Cell
adhesion molecules
Certain growing axons are prevented from crossing the midline by - Answers chemorepellents.
Which glial cells are responsible for maintaining the integrity of the extracellular fluid that surrounds
neurons? - Answers Astrocytes
What is the name of the structure where the sensory nerves from the body enter the spinal cord? -
Answers Dorsal root ganglia
What is another name for sensory neurons? - Answers Afferent neurons
Dendritic spines... - Answers Can change shape and number based on the strength of synaptic inputs.
Which membrane lies closest to the surface of the brain? - Answers Pia mater
Growth cones are associated with - Answers Regeneration in the peripheral nervous system.
Which neuroanatomical method provides an outline of entire neurons, including the soma and all of the
cell's processes? - Answers Golgi stain
During normal cell death, developing neurons compete for - Answers Neurotrophic factors.
During axonal transport, which of the following elements helps move materials from the soma to the
terminal? - Answers Motor proteins
Which of the following is a projection pathway linking the cerebral hemispheres? - Answers Corpus
callosum
Which of the following processes is involved in forming the final the number of presynaptic and
postsynaptic neurons during neural development? - Answers Programmed cell death (apoptosis)
Which statement about dendrites is false? - Answers Dendrites may be several meters in length in
giraffes.
Which process occurs to only a limited extent after human birth? - Answers Neurogenesis
Which of the two phenomenon are the result of somewhat similar neural processes: - Answers Banding
of the tectum in a 3-eyed frog and lamination in the lateral geniculate nucleus of the thalamus.
Which of the following classes of neurons can collect the most incoming information based on their
morphology? - Answers Multipolar
Which of the following neuroscience methods can be used to visualize proteins used by a neuron? -
Answers Immunocytochemistry
If an axon is damaged at a distance from the cell body, the portion of the axon beyond the site of injury
(towards the axon terminal) is lost through the process of - Answers anterograde degeneration
Which of the following describes the chemoaffinity hypothesis as applied to target selection and
establishing topographic maps? - Answers Growing axons have receptors that seek out specific chemical
markers on their targets.
, Multiple cell types, including neurons and glia, can arise from the same precursor cells. These precursor
cells are also called which of the following? - Answers Multipotent stem cells
The major function of Schwann cells is the - Answers Myelination of peripheral nerve fibers.
What structure produces cerebrospinal fluid (CSF)? - Answers Choroid plexus
Migrating neurons are guided during early development by - Answers Radial glia.
The ventral roots of the spinal cord carry - Answers Motor information to muscles.
The ability of the brain to be changed by environmental inputs throughout the life span is called -
Answers Plasticity.
What is retrograde axoplasmic transport? - Answers Movement of material from axon terminal to soma.
What is one of the major differences between MRI and CT scanning? - Answers MRI uses magnetic fields
whereas CT scanning uses x-rays.
What is the name of the region where the axon begins? - Answers The axon hillock.
Axons use chemoattractants and chemorepellants to guide their direction of movement by - Answers
following a gradient of concentration of those substances
In multiple sclerosis myelin in is lost, but there can be some recovery. If possible, which cells would be
most likely involved in replacing lost myelin in the spinal cord? - Answers Oligodendrocytes.
Evidence shows that in _______ whose optic nerve has been damaged, _______. - Answers adult frogs;
the retinal axons will grow back to their original positions on the tectum
Synaptic vesicles are found in the - Answers synaptic boutons
The right hemisphere appears to be - Answers important for processing the emotional tone (prosody) of
language
People whose facial muscles have become paralyzed tend to experience - Answers Emotions less
intensely than they did before the paralysis.
Brodmann constructed a map of the neocortex based on which of the following: - Answers The
differences in the cytoarchitecture of the layers of cortex across the different areas of the brain
During the cell migration phase of cortical development, which layer of the cortex do the first cells
migrate to and begin to differentiate? - Answers Layer VI
The stage of Synaptic Rearrangement can be defined as a period in which - Answers there is the loss of
some synapses, and the development of others, to refine synaptic connections.
What factors are thought to keep axons together that are growing along the same path? - Answers Cell
adhesion molecules
Certain growing axons are prevented from crossing the midline by - Answers chemorepellents.
