NSCI 175 Exam 2 Questions and
Answers Rated 100% Correct
In which plane of section would it be easiest to see the corpus callosum?
A. Coronal cut at the level of the cerebellum
B. Sagittal cut directly down the midline
C. Sagittal cut at the level of the temporal lobe
D. Horizontal cut at the level of the brainstem answer - B. Sagittal cut directly down the midline
Which major white matter system bridges the cerebral hemispheres?
A. Dorsal columns
B. Corpus callosum
C. Internal capsule
D. Posterior capsule answer - B. Corpus callosum
The brain and spinal cord are wrapped in protective membranes known collectively as the
A. meninges.
B. myelin.
C. dura mater.
D. pia mater. answer - A. meninges.
What are the advantages of MRI over CT scan?
A. Yields a more detailed map of the brain
B. Does not use X-irradiation, Yields a more detailed map of the brain, Images of brain slices can
be made in any plane desired
,C. Does not use X-irradiation
D. Images of brain slices can be made in any plane desired answer - B. Does not use X-
irradiation, Yields a more detailed map of the brain, Images of brain slices can be made in any
plane desired
Which membrane lies closest to the brain?
A. Arachnoid
B. Pia mater
C. Dura mater
D. Meninges answer - B. Pia mater
The ridges of tissue on the convoluted surface of the cortex are called
A. sulci.
B. ganglia.
C. gyri.
D. nuclei. answer - C. gyri.
Which of the following is the most posterior cerebral lobe in the brain?
A. Temporal lobe
B. Frontal lobe
C. Parietal lobe
D. Occipital lobe answer - D. Occipital lobe
The brainstem contains which of the following structures?
A. Medulla
B. Cerebellum
C. Corpus callosum
, D. Central sulcus answer - A. Medulla
Which region of the cortex is crucial for motor control?
A. Prefrontal cortex
B. Postcentral gyrus
C. Precentral gyrus
D. Parietal lobe answer - C. Precentral gyrus
How many distinct layers are observed in the human neocortex?
A. One
B. Three
C. About one million
D. Six answer - D. Six
In the cerebral cortex, layer 5 is especially noticeable because it
A. contains many fibers.
B. is a different color from the rest.
C. contains many large cell bodies.
D. is quite variable from region to region. answer - C. contains many large cell bodies.
Neurons in the __________ are often referred to as the gateway to the cerebral cortex.
A. Brain stem
B. Cerebellum
C. Olfactory bulb
D. Thalamus answer - D. Thalamus
Answers Rated 100% Correct
In which plane of section would it be easiest to see the corpus callosum?
A. Coronal cut at the level of the cerebellum
B. Sagittal cut directly down the midline
C. Sagittal cut at the level of the temporal lobe
D. Horizontal cut at the level of the brainstem answer - B. Sagittal cut directly down the midline
Which major white matter system bridges the cerebral hemispheres?
A. Dorsal columns
B. Corpus callosum
C. Internal capsule
D. Posterior capsule answer - B. Corpus callosum
The brain and spinal cord are wrapped in protective membranes known collectively as the
A. meninges.
B. myelin.
C. dura mater.
D. pia mater. answer - A. meninges.
What are the advantages of MRI over CT scan?
A. Yields a more detailed map of the brain
B. Does not use X-irradiation, Yields a more detailed map of the brain, Images of brain slices can
be made in any plane desired
,C. Does not use X-irradiation
D. Images of brain slices can be made in any plane desired answer - B. Does not use X-
irradiation, Yields a more detailed map of the brain, Images of brain slices can be made in any
plane desired
Which membrane lies closest to the brain?
A. Arachnoid
B. Pia mater
C. Dura mater
D. Meninges answer - B. Pia mater
The ridges of tissue on the convoluted surface of the cortex are called
A. sulci.
B. ganglia.
C. gyri.
D. nuclei. answer - C. gyri.
Which of the following is the most posterior cerebral lobe in the brain?
A. Temporal lobe
B. Frontal lobe
C. Parietal lobe
D. Occipital lobe answer - D. Occipital lobe
The brainstem contains which of the following structures?
A. Medulla
B. Cerebellum
C. Corpus callosum
, D. Central sulcus answer - A. Medulla
Which region of the cortex is crucial for motor control?
A. Prefrontal cortex
B. Postcentral gyrus
C. Precentral gyrus
D. Parietal lobe answer - C. Precentral gyrus
How many distinct layers are observed in the human neocortex?
A. One
B. Three
C. About one million
D. Six answer - D. Six
In the cerebral cortex, layer 5 is especially noticeable because it
A. contains many fibers.
B. is a different color from the rest.
C. contains many large cell bodies.
D. is quite variable from region to region. answer - C. contains many large cell bodies.
Neurons in the __________ are often referred to as the gateway to the cerebral cortex.
A. Brain stem
B. Cerebellum
C. Olfactory bulb
D. Thalamus answer - D. Thalamus
