1.1 Building a Nervous System
2
.
Neurons:
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come in many shapes and sizes.
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all have one axon and many dendrites.
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all have one dendrite and many axons.
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all have multiple axons and multiple dendrites.
3.
The part of the neuron that is specialized for receiving information is:
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the axon.
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the cell body.
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the dendrites.
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the axon hillock.
4
.
Which are the primary myelinating cells of the central nervous system?
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Astrocytes
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Microglia
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Oligodendrocytes
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Schwann cells
5.
Which cell type is most important for helping to form the blood-brain barrier?
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Astrocytes
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Microglia
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Oligodendrocytes
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Schwann cells
6
.
Which cell type is most important for helping to clear debris from injury in the central nervous system?
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Astrocytes
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Microglia
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Oligodendrocytes
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Schwann cells
1.2 Organization of the Nervous System
7.
Which feature is consistent across all organisms that have a nervous system?
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Ganglia
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Neural nets
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Bilateral symmetry
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None of these
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?
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Cephalization
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Centralization
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Symmetry
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Concentration
9.
Where in the central nervous system would you find cerebral spinal fluid?
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In the dura mater
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In the subarachnoid space
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In the pia mater
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In the nerves
10
.
Cerebral spinal fluid:
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sloshes back and forth in the ventricular system.
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flows in one direction through the ventricles, into to central canal and subarachnoid space.
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flows in one direction from the subarachnoid space into the ventricles and then into to central canal.
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is still, like a lake or pool.
11.
The human connectome:
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is well understood.
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is relatively simple.
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is still being mapped and incredibly complex.
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is very similar to that of the roundworm C. elegans.
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 ________.
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carotid artery / vertebral artery
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cerebral arteries / vertebral artery
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ventral cerebral artery / dorsal cerebral artery
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vertebral artery / carotid artery
1.3 The Central Nervous System: CNS
14
.
Divisions of the central nervous system:
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begin early in development.
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only emerge in adulthood.
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are composed only of brain vs spinal cord.
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are defined as neural tube and spinal cord.
15.
Which embryonic brain region becomes the cerebral hemispheres?
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Telencephalon
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Diencephalon
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Mesencephalon
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Metencephalon
16
.
Sensory neurons enter the spinal cord from the ________ side.
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lateral
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medial
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ventral
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dorsal
17.
Which kind of pathways bring information from the periphery to the brain?
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Descending
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Ascending
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Peripheral
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Lateral
1.4 The Brain: Structure and Function
18
.
Which lobe of the cortex is most important for decision making and problem solving?
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Frontal
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Temporal
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Parietal
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Occipital
19.
Which lobe of the cortex is important for language, memory, and hearing?
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Frontal
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Temporal
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Parietal
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Occipital
20
.
The ________ lobe of the cortex is most important for vision.
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frontal
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temporal
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parietal
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occipital
21.
Brain regions important for motor control are found:
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in the frontal lobe.
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in the subcortical nuclei.
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in the brainstem.
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in all of these.
22
.
Which brain function shows strong lateralization?
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Memory
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Sensory integration
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Vision
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Language
23.
Cranial nerves carry what kind of information?
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Sensory
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Motor
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Sensory and motor
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Neither sensory or motor
24
.
The part of the peripheral nervous system that helps the body relax and digest is:
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the sympathetic nervous system.
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the parasympathetic nervous system.
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the hypothalamus.
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the somatic nervous system.