PSYC 355 Final Exam 2025/2026 Updated Verified Questions and Answers
With 100% Correct Answers Graded A+
Which glial are responsible for maintaining the integrity of the extracellular fluid
that surrounds neurons?
A) Oligodendrocytes
B) Astrocytes
C) Microglial cells
D) Stellate cells
B) Astrocytes
Which neuroanatomical method provides an outline of entire neurons, including
the soma and all of the cell's processes?
A) Nissl stain
B) Radioactive glucose stain
C) Golgi stain
D) Axonal degeneration procedure
C) Golgi stain
During a period of normal cell death, developing neurons are thought to compete
for
A) cell adhesion molecules.
B) death genes.
C) neurotrophic factors
D) glucose.
C) neurotrophic factors
During axonal transport, which of the following elements helps move materials
from the soma to the terminal?
A) kinetic acid
B) motor proteins
C) glia cells
D) synaptic vesicles
,B) motor proteins
Which of the following is a projection pathway linking the cerebral hemispheres?
A) Dorsal columns
B) Corpus callosum
C) Internal capsule
D) Posterior capsule
B) Corpus callosum
What is the name of the structure where the sensory nerves from the body enter the
spinal cord?
A) Central nuclei
B) Ventral nuclei
C) Dorsal root ganglia
D) Ventral white matter
C) Dorsal root ganglia
Which is another name for sensory neurons?
A) interneurons
B) efferent neurons
C) afferent neurons
D) pyramidal cells
C) afferent neurons
Which membrane lies closest to the surface of the brain (farthest from the skull)?
A) Meninges
B) Dura mater
C) Arachnoid
D) Pia mater
D) Pia mater
Growth cones are associated with
A) regeneration in the central nervous system.
B) cellular apoptosis.
, C) regeneration in the peripheral nervous system.
D) All of the above
D) All of the above
Which of the following processes is involved in forming the final number of
presynaptic and postsynaptic neurons during neural development?
A) Cell proliferation
B) Cell migration
C) Programmed cell death (apoptosis)
D) Cell differentiation
C) Programmed cell death (apoptosis)
Which statement about dendrites is false?
A) A single cell's dendrites form a dendritic tree.
B) The diversity of neuronal shapes is caused primarily by variation in the form
and shape of dendrites.
C) Dendrites may be several meters in length in giraffes.
D) Dendritic spines appear to be subject to modification as a result of experience.
C) Dendrites may be several meters in length in giraffes.
Which process occurs to only a limited extent after human birth?
A) Synaptogenesis
B) Glial cell formation
C) Neurogenesis
D) Myelination
C) Neurogenesis
Which two phenomena are the result of somewhat similar neural processes:
A) Creation of the 5 layers of the spinal cord and creation of the 5 cortical layers.
B) Programmed cell death and cell death due to injury.
C) Banding of the tectum in a 3-eyed frog and lamination in the lateral geniculate
nucleus of the thalamus.
D) Regeneration in the central nervous system of salamander that's lost its tail and
regeneration of peripheral nerves in human after re-attaching a severed finger.
With 100% Correct Answers Graded A+
Which glial are responsible for maintaining the integrity of the extracellular fluid
that surrounds neurons?
A) Oligodendrocytes
B) Astrocytes
C) Microglial cells
D) Stellate cells
B) Astrocytes
Which neuroanatomical method provides an outline of entire neurons, including
the soma and all of the cell's processes?
A) Nissl stain
B) Radioactive glucose stain
C) Golgi stain
D) Axonal degeneration procedure
C) Golgi stain
During a period of normal cell death, developing neurons are thought to compete
for
A) cell adhesion molecules.
B) death genes.
C) neurotrophic factors
D) glucose.
C) neurotrophic factors
During axonal transport, which of the following elements helps move materials
from the soma to the terminal?
A) kinetic acid
B) motor proteins
C) glia cells
D) synaptic vesicles
,B) motor proteins
Which of the following is a projection pathway linking the cerebral hemispheres?
A) Dorsal columns
B) Corpus callosum
C) Internal capsule
D) Posterior capsule
B) Corpus callosum
What is the name of the structure where the sensory nerves from the body enter the
spinal cord?
A) Central nuclei
B) Ventral nuclei
C) Dorsal root ganglia
D) Ventral white matter
C) Dorsal root ganglia
Which is another name for sensory neurons?
A) interneurons
B) efferent neurons
C) afferent neurons
D) pyramidal cells
C) afferent neurons
Which membrane lies closest to the surface of the brain (farthest from the skull)?
A) Meninges
B) Dura mater
C) Arachnoid
D) Pia mater
D) Pia mater
Growth cones are associated with
A) regeneration in the central nervous system.
B) cellular apoptosis.
, C) regeneration in the peripheral nervous system.
D) All of the above
D) All of the above
Which of the following processes is involved in forming the final number of
presynaptic and postsynaptic neurons during neural development?
A) Cell proliferation
B) Cell migration
C) Programmed cell death (apoptosis)
D) Cell differentiation
C) Programmed cell death (apoptosis)
Which statement about dendrites is false?
A) A single cell's dendrites form a dendritic tree.
B) The diversity of neuronal shapes is caused primarily by variation in the form
and shape of dendrites.
C) Dendrites may be several meters in length in giraffes.
D) Dendritic spines appear to be subject to modification as a result of experience.
C) Dendrites may be several meters in length in giraffes.
Which process occurs to only a limited extent after human birth?
A) Synaptogenesis
B) Glial cell formation
C) Neurogenesis
D) Myelination
C) Neurogenesis
Which two phenomena are the result of somewhat similar neural processes:
A) Creation of the 5 layers of the spinal cord and creation of the 5 cortical layers.
B) Programmed cell death and cell death due to injury.
C) Banding of the tectum in a 3-eyed frog and lamination in the lateral geniculate
nucleus of the thalamus.
D) Regeneration in the central nervous system of salamander that's lost its tail and
regeneration of peripheral nerves in human after re-attaching a severed finger.
