NUR1112 (THE BRAIN) EXAM 2025
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1 of 180
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What is the cerebral arterial circle also known as?
The circle of Willis. The basilar artery.
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The posterior communicating
The anterior communicating Artery.
Arteries.
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Where are the motor areas of the cerebral cortex located?
In the temporal lobe associated with
In the brainstem near the spinal cord.
auditory processing.
In the occipital lobe at the back of In the frontal lobe of each
the brain. cerebral hemisphere.
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Which areas of the brain are part of the limbic system?
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Specific areas of the cerebrum,
such as the prefrontal cortex
and hippocampus, and the The cerebellum and occipital lobe.
diencephalon, including the
hypothalamus.
The frontal lobe and temporal lobe
The brain stem and spinal cord.
only.
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What are gyri and sulci?
Gyri are ridges, and sulci are
Gyri are folds in the cerebellum, and shallow grooves on the surface
sulci are spaces between them. of the cerebrum that increase its
surface area.
Gyri are deep grooves, and sulci are Gyri are structures that produce
raised areas on the surface of the cerebrospinal fluid, and sulci are
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cerebrum. channels for its flow.
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What is the significance of the blood-brain barrier?
It protects the brain from
It is freely permeable to all
harmful substances in the
neurotransmitters.
blood.
It is crucial for developing treatments
It allows CSF to circulate around the
that can effectively target brain
brain and spinal cord.
diseases.
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What separates the dura mater from the arachnoid mater?
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