Instructor Answer Guide
,Introduction to Behavioral Neuroscience Instructor Answer Guide
Multiple Choice
1.1 Building a Nervous System
1. Which of the following molecules does the work in cells?
a. DNA
b. mRNA
c. Proteins
d. Golgi
Answer: c
2. Neurons:
a. come in many shapes and sizes.
b. all have one axon and many dendrites.
c. all have one dendrite and many axons.
d. all have multiple axons and multiple dendrites.
Answer: a
3. The part of the neuron that is specialized for receiving information is:
a. the axon.
b. the cell body.
c. the dendrites.
d. the axon hillock.
Answer: c
4. Which are the primary myelinating cells of the central nervous system?
a. Astrocytes
b. Microglia
c. Oligodendrocytes
d. Schwann cells
Answer: c
5. Which cell type is most important for helping to form the blood-brain barrier?
a. Astrocytes
b. Microglia
c. Oligodendrocytes
d. Schwann cells
2 Updated Oct 2024
,Introduction to Behavioral Neuroscience Instructor Answer Guide
Answer: a
6. Which cell type is most important for helping to clear debris from injury in the central
nervous system?
a. Astrocytes
b. Microglia
c. Oligodendrocytes
d. Schwann cells
Answer: b
1.2 Organization of the Nervous System
7. Which feature is consistent across all organisms that have a nervous system?
a. Ganglia
b. Neural nets
c. Bilateral symmetry
d. None of these
Answer: d
8. The property of a nervous system describing an organization where neurons are
consolidated into specific areas of integration rather than just being randomly arranged
throughout the body is called what?
a. Cephalization
b. Centralization
c. Symmetry
d. Concentration
Answer: b
9. Where in the central nervous system would you find cerebral spinal fluid?
a. In the dura mater
b. In the subarachnoid space
c. In the pia mater
d. In the nerves
Answer: b
10. Cerebral spinal fluid:
a. sloshes back and forth in the ventricular system.
b. flows in one direction through the ventricles, into to central canal and subarachnoid
space.
Updated Oct 2024 3
, Introduction to Behavioral Neuroscience Instructor Answer Guide
c. flows in one direction from the subarachnoid space into the ventricles and then into
to central canal.
d. is still, like a lake or pool.
Answer: b
11. The human connectome:
a. is well understood.
b. is relatively simple.
c. is still being mapped and incredibly complex.
d. is very similar to that of the roundworm C. elegans.
Answer: c
12. The brain requires large amounts of blood to maintain its functions. This blood derives
from 2 main arteries. The more ventral artery is called ________ while the more dorsal artery
is ________.
a. carotid artery / vertebral artery
b. cerebral arteries / vertebral artery
c. ventral cerebral artery / dorsal cerebral artery
d. vertebral artery / carotid artery
Answer: a
1.3 The Central Nervous System: CNS
13. My left hand is ________ to my right hand.
a. medial
b. lateral
c. contralateral
d. ipsilateral
Answer: c
14. Divisions of the central nervous system:
a. begin early in development.
b. only emerge in adulthood.
c. are composed only of brain vs spinal cord.
d. are defined as neural tube and spinal cord.
Answer: a
15. Which embryonic brain region becomes the cerebral hemispheres?
a. Telencephalon
4 Updated Oct 2024
,Introduction to Behavioral Neuroscience Instructor Answer Guide
Multiple Choice
1.1 Building a Nervous System
1. Which of the following molecules does the work in cells?
a. DNA
b. mRNA
c. Proteins
d. Golgi
Answer: c
2. Neurons:
a. come in many shapes and sizes.
b. all have one axon and many dendrites.
c. all have one dendrite and many axons.
d. all have multiple axons and multiple dendrites.
Answer: a
3. The part of the neuron that is specialized for receiving information is:
a. the axon.
b. the cell body.
c. the dendrites.
d. the axon hillock.
Answer: c
4. Which are the primary myelinating cells of the central nervous system?
a. Astrocytes
b. Microglia
c. Oligodendrocytes
d. Schwann cells
Answer: c
5. Which cell type is most important for helping to form the blood-brain barrier?
a. Astrocytes
b. Microglia
c. Oligodendrocytes
d. Schwann cells
2 Updated Oct 2024
,Introduction to Behavioral Neuroscience Instructor Answer Guide
Answer: a
6. Which cell type is most important for helping to clear debris from injury in the central
nervous system?
a. Astrocytes
b. Microglia
c. Oligodendrocytes
d. Schwann cells
Answer: b
1.2 Organization of the Nervous System
7. Which feature is consistent across all organisms that have a nervous system?
a. Ganglia
b. Neural nets
c. Bilateral symmetry
d. None of these
Answer: d
8. The property of a nervous system describing an organization where neurons are
consolidated into specific areas of integration rather than just being randomly arranged
throughout the body is called what?
a. Cephalization
b. Centralization
c. Symmetry
d. Concentration
Answer: b
9. Where in the central nervous system would you find cerebral spinal fluid?
a. In the dura mater
b. In the subarachnoid space
c. In the pia mater
d. In the nerves
Answer: b
10. Cerebral spinal fluid:
a. sloshes back and forth in the ventricular system.
b. flows in one direction through the ventricles, into to central canal and subarachnoid
space.
Updated Oct 2024 3
, Introduction to Behavioral Neuroscience Instructor Answer Guide
c. flows in one direction from the subarachnoid space into the ventricles and then into
to central canal.
d. is still, like a lake or pool.
Answer: b
11. The human connectome:
a. is well understood.
b. is relatively simple.
c. is still being mapped and incredibly complex.
d. is very similar to that of the roundworm C. elegans.
Answer: c
12. The brain requires large amounts of blood to maintain its functions. This blood derives
from 2 main arteries. The more ventral artery is called ________ while the more dorsal artery
is ________.
a. carotid artery / vertebral artery
b. cerebral arteries / vertebral artery
c. ventral cerebral artery / dorsal cerebral artery
d. vertebral artery / carotid artery
Answer: a
1.3 The Central Nervous System: CNS
13. My left hand is ________ to my right hand.
a. medial
b. lateral
c. contralateral
d. ipsilateral
Answer: c
14. Divisions of the central nervous system:
a. begin early in development.
b. only emerge in adulthood.
c. are composed only of brain vs spinal cord.
d. are defined as neural tube and spinal cord.
Answer: a
15. Which embryonic brain region becomes the cerebral hemispheres?
a. Telencephalon
4 Updated Oct 2024
