Mod 1 Quizzes Flashcards
Which of the following is damaged when there is damage to the structural support of the neuron?
cytoskeleton
Which structure increases the surface area of the part of the neuron that transmits signals TOWARD the cell body?
dendritic spines
Which cell is responsible for myelination of axons of spinal nerves?
schwann cell
Which letter on the diagram to the right indicates the postsynaptic potential which makes it MORE LIKELY that an action potential will occur?
A
Which of the following is an inhibitory neurotransmitter?
GABA
A patient had damage to the area surrounding the spinal cord. She has lost sensation of the area damaged. Which structure was affected?
dorsal roots
The ventral grey column contains:
motor neurons and interneurons
Which arteries give rise to the anterior and posterior spinal arteries?
vertebral arteries
The lobe of the brain that surrounds the corpus callosum and diencephalon on the medial aspect of the cerebral cortex is:
the limbic lobe
Which of the following is the largest group of commissural fibers?
corpus callosum, which connects the two hemispheres
Spinal nerves can be impinged as they exit the vertebral column if there is narrowing of which of the following?
inervertebral foramina
A column of white matter bounded by sulci and fissures within the spinal cord is called a:
funiculus
Which arteries give rise to the anterior and posterior spinal arteries?
vertebral arteries
The lobe that forms the floor of the lateral sulcus is:
the insula
The internal capsule is the most prominent group of projection fibers, meaning that they do which of the following?
connect higher levels of the cerebral hemisphere to lower levels on the same side