NSBH 20450 Exam | Questions, all Solved 100%
Correct with Verified Answers
Which component is necessary for apoptosis? - ✔✔death genes
Which component protects neurons from apoptosis? - ✔✔neurotrophic factors
In the human cerebral cortex, the pruning of dendrites and axon terminals occurs last in
_______ cortex - ✔✔prefrontal
Teenagers with the highest IQ show - ✔✔an especially long period of cortical thinning
The mitotic division of undifferentiated cells to produce neurons is called - ✔✔neurogenesis
Undifferentiated _______ cells, if gathered from embryonic tissue and transplanted into the
brain, will differentiate and integrate properly. - ✔✔stem
Which feature does not normally change during the life span? - ✔✔genotype
In the context of genetics, the term "expression" refers to - ✔✔the way a cell makes an
mRNA transcript of a gene
Children who have inherited PKU can be helped by - ✔✔dietary manipulation
Methylation _______ gene expression through _______ - ✔✔inhibits, DNA modification
, Which statement provides an example of epigenetics - ✔✔mothering style affecting the
developing brain
The physical characteristics that make up an individual are called the individual's -
✔✔phenotype
Neurofibrillary tangles are - ✔✔abnormal tangles of neurofilaments
Which observation led scientists to conclude that Alzheimer's disease is not simply the result of
"wear-and-tear"? - ✔✔People who reach 85 or 90 years of age without developing
Alzheimer's become less and less likely to do so
Patients with Alzheimer's disease gradually lose many of the basal forebrain neurons that
produce the transmitter - ✔✔acetylcholine
In people with Alzheimer's disease, amyloid plaques are found in the _______, cortex, and
associated limbic system sites - ✔✔hippocampus
At present, the only way to identify Alzheimer's disease with confidence is through -
✔✔postmortem examination
Which of the following can postpone the appearance of Alzheimer's disease? - ✔✔adequate
amounts of sleep
The use of _______ to identify amyloid plaques and neurofibrillary tangles means a formal
diagnosis of Alzheimer's can now occur prior to death. - ✔✔Pittsburgh Blue dye (PiB)
Based on figure 1, neurogenesis in the hippocampus of adult rats that run is enhanced in -
✔✔only group-housed rats
Correct with Verified Answers
Which component is necessary for apoptosis? - ✔✔death genes
Which component protects neurons from apoptosis? - ✔✔neurotrophic factors
In the human cerebral cortex, the pruning of dendrites and axon terminals occurs last in
_______ cortex - ✔✔prefrontal
Teenagers with the highest IQ show - ✔✔an especially long period of cortical thinning
The mitotic division of undifferentiated cells to produce neurons is called - ✔✔neurogenesis
Undifferentiated _______ cells, if gathered from embryonic tissue and transplanted into the
brain, will differentiate and integrate properly. - ✔✔stem
Which feature does not normally change during the life span? - ✔✔genotype
In the context of genetics, the term "expression" refers to - ✔✔the way a cell makes an
mRNA transcript of a gene
Children who have inherited PKU can be helped by - ✔✔dietary manipulation
Methylation _______ gene expression through _______ - ✔✔inhibits, DNA modification
, Which statement provides an example of epigenetics - ✔✔mothering style affecting the
developing brain
The physical characteristics that make up an individual are called the individual's -
✔✔phenotype
Neurofibrillary tangles are - ✔✔abnormal tangles of neurofilaments
Which observation led scientists to conclude that Alzheimer's disease is not simply the result of
"wear-and-tear"? - ✔✔People who reach 85 or 90 years of age without developing
Alzheimer's become less and less likely to do so
Patients with Alzheimer's disease gradually lose many of the basal forebrain neurons that
produce the transmitter - ✔✔acetylcholine
In people with Alzheimer's disease, amyloid plaques are found in the _______, cortex, and
associated limbic system sites - ✔✔hippocampus
At present, the only way to identify Alzheimer's disease with confidence is through -
✔✔postmortem examination
Which of the following can postpone the appearance of Alzheimer's disease? - ✔✔adequate
amounts of sleep
The use of _______ to identify amyloid plaques and neurofibrillary tangles means a formal
diagnosis of Alzheimer's can now occur prior to death. - ✔✔Pittsburgh Blue dye (PiB)
Based on figure 1, neurogenesis in the hippocampus of adult rats that run is enhanced in -
✔✔only group-housed rats
