Exam 3: Neurophysiology: The Generation, Transmission, and Integration of Neural Signals

The term still used to depict Penfield's maps of the brain is the

A tap on the patellar tendon activates

The plant poison, _______ is an antagonist that blocks ACh receptors.

The size of the action potential is independent of stimulus magnitude. This is referred to as the _______ property of action potentials.

Describe at least two major classes of seizure disorder, highlighting their behavioral and electrophysiological differences.

Desynchronized electrical activity is seen

An action potential can be likened to the action of what common household fixture?

Explain the difference between agonists and antagonists, and provide an example of each.

What are sodium-potassium pumps and what is their function?

The conduction velocity of an action potential

Describe the refractory phase and its physiological basis. What is its significance for neuronal activity?

Electrostatic pressure derives from

The nicotinic ACh receptor has _______ ligand-binding site(s).

Following an action potential at the presynaptic membrane, the presynaptic terminal is depolarized, and there is an influx of _______ ions.

The enzyme acetylcholinesterase terminates the activity of the transmitter acetylcholine through the process of_______.

_______ seizures are most often accompanied by an unusual sensation called an aura and may not necessarily involve the entire brain.

Loss of consciousness and intense bursts of synchronized EEG are characteristic of _______ seizures.

Which statement about multiple sclerosis is false?

Application of a _______ stimulus to a neuron makes it less likely to fire.

Any substance that binds to a receptor is known as a(n)