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What is the name of the space between the axon of one neuron and the dendrite of a second neuron?
Synapse or Synaptic Cleft
What term describes the hopping of the action potential (nerve impulse) along the axon from one node (of Ranvier) to the next?
There are four major areas of the brain: the cerebrum, diencephalon, brain stem, and the _____.
Excessive opioids (narcotics) depress the medulla oblongata and therefore cause...
natural morphine-like substances that can reduce anxiety and induce a sense of well-being.
The surface of the cerebrum is folded into elevations that resemble speed bumps; these speed bumps are called _____.
Gyrus or Gyri
What is the name of clusters of cell bodies that are located outside the central nervous system?
The inside of the unstimulated neuron is negative; this electrical charge is due to the outward leak of potassium and is called...
the resting membrane potential
What is the name of the first phase of the action potential that is caused by the inward movement of sodium?
What is the term applied to the inability of a neuron to accept a stimulus while the neuron is still depolarized?
Which of the following is the convolution located on the frontal lobe just anterior to the central sulcus?
Primary motor area
The purpose of the Na+/K+ ATPase pump in the neuronal membrane is to
establish the Na+ and K+ gradients necessary for the development of an action potential.
This structure is part of the diencephalon; it regulates the anterior pituitary gland, water balance, appetite, body temperature, and the autonomic nervous system.
This structure plays a key role in personality development and emotional and behavioral expression; carries out the "executive" functions.
Which of the following is the middle layer of the meninges and looks like a spiderweb?
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