EXAM 1 NEUROBIOLOGY QUESTIONS
AND ANSWERS
Which neuroanatomical method provides an outline of entire neurons, including all of
the cell's processes (axons and dendrites)?
a) Golgi stain
b) Nissal stain
c) Radioactive glucose stain
d) Axonal degeneration procedure - Correct Answers -a) Golgi stain
The most common type of neuron in vertebrates is the _______ neuron.
a) unipolar
b) bipolar
c) multipolar
d) semipolar - Correct Answers -c) multipolar
Which of the following is not a type of glial cell?
a. Astrocyte
b. Schwann cell
c. Oligodendrocyte
d. Stellate cell - Correct Answers -d. Stellate cell
Which type of cell is responsible for myelination within the central nervous system?
a. astrocytes
b. microglial cells
c. oligodendrocytes
d. Schwann cells - Correct Answers -c. oligodendrocytes
Which statement about glia is false?
a. Some types of glia are responsible for myelinating axons.
b. There are fewer glia than neurons in the CNS.
c. They regulate the chemical content of the extracellular space surrounding neurons.
d. They are important for providing structural support for neurons. - Correct Answers -b.
There are fewer glia than neurons in the CNS.
The ventral roots of the spinal cord carry
a. motor information to muscles.
b. both motor and sensory information.
c. sensory information from muscles and skin.
d. pain information. - Correct Answers -a. motor information to muscles.
, Which characteristic is not associated with slow synapses?
a. Metabotropic
b. Ligand-gated
c. G protein-coupled
d. Long duration of response - Correct Answers -b. Ligand-gated
Norepinephrine and dopamine are examples of transmitters whose synaptic activity is
terminated by
a. reuptake.
b. degradation.
c. calcium influx.
d. passive diffusion. - Correct Answers -a. reuptake.
The size of the gap between the presynaptic membrane and the postsynaptic
membrane in a chemical synapse is
a. 100 mm.
b. 100 nm.
c. 2-4 nm.
d. 20-40 nm. - Correct Answers -d. 20-40 nm.
The two cerebral hemispheres are connected by:
a. tendons.
b. the corpus callosum.
c. the meninges.
d. the reticular formation. - Correct Answers -b. the corpus callosum.
The temporal lobe is separated from the frontal and parietal lobes by the:
a. central sulcus.
b. precentral fissure.
c. lateral sulcus.
d. Sylvian fissure. - Correct Answers -d. Sylvian fissure.
The basal ganglia are particularly implicated in:
a. sympathetic nervous system control
b. learning and memory.
c. motor control.
d. emotion. - Correct Answers -c. motor control.
Which structure is not part of the limbic system?
a. putamen
b. fornix
c. hippocampus
d. mammillary body - Correct Answers -a. putamen
Which structure(s) is(are) specialized for motor control?
a. all of the above
AND ANSWERS
Which neuroanatomical method provides an outline of entire neurons, including all of
the cell's processes (axons and dendrites)?
a) Golgi stain
b) Nissal stain
c) Radioactive glucose stain
d) Axonal degeneration procedure - Correct Answers -a) Golgi stain
The most common type of neuron in vertebrates is the _______ neuron.
a) unipolar
b) bipolar
c) multipolar
d) semipolar - Correct Answers -c) multipolar
Which of the following is not a type of glial cell?
a. Astrocyte
b. Schwann cell
c. Oligodendrocyte
d. Stellate cell - Correct Answers -d. Stellate cell
Which type of cell is responsible for myelination within the central nervous system?
a. astrocytes
b. microglial cells
c. oligodendrocytes
d. Schwann cells - Correct Answers -c. oligodendrocytes
Which statement about glia is false?
a. Some types of glia are responsible for myelinating axons.
b. There are fewer glia than neurons in the CNS.
c. They regulate the chemical content of the extracellular space surrounding neurons.
d. They are important for providing structural support for neurons. - Correct Answers -b.
There are fewer glia than neurons in the CNS.
The ventral roots of the spinal cord carry
a. motor information to muscles.
b. both motor and sensory information.
c. sensory information from muscles and skin.
d. pain information. - Correct Answers -a. motor information to muscles.
, Which characteristic is not associated with slow synapses?
a. Metabotropic
b. Ligand-gated
c. G protein-coupled
d. Long duration of response - Correct Answers -b. Ligand-gated
Norepinephrine and dopamine are examples of transmitters whose synaptic activity is
terminated by
a. reuptake.
b. degradation.
c. calcium influx.
d. passive diffusion. - Correct Answers -a. reuptake.
The size of the gap between the presynaptic membrane and the postsynaptic
membrane in a chemical synapse is
a. 100 mm.
b. 100 nm.
c. 2-4 nm.
d. 20-40 nm. - Correct Answers -d. 20-40 nm.
The two cerebral hemispheres are connected by:
a. tendons.
b. the corpus callosum.
c. the meninges.
d. the reticular formation. - Correct Answers -b. the corpus callosum.
The temporal lobe is separated from the frontal and parietal lobes by the:
a. central sulcus.
b. precentral fissure.
c. lateral sulcus.
d. Sylvian fissure. - Correct Answers -d. Sylvian fissure.
The basal ganglia are particularly implicated in:
a. sympathetic nervous system control
b. learning and memory.
c. motor control.
d. emotion. - Correct Answers -c. motor control.
Which structure is not part of the limbic system?
a. putamen
b. fornix
c. hippocampus
d. mammillary body - Correct Answers -a. putamen
Which structure(s) is(are) specialized for motor control?
a. all of the above
