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BIOL373 final questions with verified answers graded A+
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BIOL373 final questions with verified answers graded A+
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BIOL373 finalFluid in the central canal of the spinal cord is produced ... - correct answer ✔✔patches of specialized
ependymal cells within each of the cerebral ventricles.
Cerebrospinal fluid leaves the CNS via ... - correct answer ✔✔transfer from the subarachnoid space to
the superior sagittal sinus via arachnoid villi.
A drug that prevents synaptic transmission between DRG neurons entering the dorsal horn grey matter
and the next neuron in the pathway would be expected to ... - correct answer ✔✔block pain
information.
block touch information.
The region in light blue is called the _________ and would be expected to consist mainly of ________
fibres. - correct answer ✔✔motor cortex, descending
During embryonic development, the neural tissue rolls up into a tube, forming a hollow neural tube that
will form the _______. - correct answer ✔✔central nervous system
A blockage of the median aperture of the fourth ventricle would be expected to cause ... - correct
answer ✔✔increased intracranial pressure
enlargement of ventricles
hydrocephalus
The blood-brain barrier ... - correct answer ✔✔consists of cerebral capillaries that are more tightly
sealed than other capillaries in the body,
involves a relationship between glial cells called astrocytes and endothelial cells of cerebral capillaries
The ventral roots of spinal nerves contain ... - correct answer ✔✔descending motor neurons
, The dorsal root ganglia contain... - correct answer ✔✔cell bodies of somatosensory neurons
Sympathetic preganglionic fibres originate in ... - correct answer ✔✔thoracic and lumbar segments of
the spinal cord, lateral horn gray matter
Which of the following is a part of the brainstem? - correct answer ✔✔Midbrain, Medulla, Pons
The spinocerebellar tract carries ... - correct answer ✔✔ascending sensory information in the dorsal
horn gray matter of the spinal cord
Wilder Penfield is known for ... - correct answer ✔✔a neurosurgical procedure for the treatment of
severe epilepsy, creating maps of the sensory and motor cortices of the brain.
The cerebrum refers to ... - correct answer ✔✔a large forebrain region that features a thin, highly folded
layer of gray matter on the outside and several subcortical structures within
You have decided to put your best foot forward, the right one. Put the following structures in the order
that describes the direction that neural information travels for this voluntary movement. - correct
answer ✔✔Primary motor cortex
Midbrain,
Medulla,
Lateral corticospinal tract,
Ventral horn grey matter,
Ventral root
The first order or upper motor neuron carrying information that will direct voluntary movement of the
right foot will travel in the spinal cord in the ________, crossing at the level of the ______. - correct
answer ✔✔lateral corticospinal tract, medulla
You have stepped on a tack with your bare left foot. What type of receptors would detect the
information related to pain you experience? - correct answer ✔✔Free nerve endings
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