The Glenohumeral Joint Includes ___

question 65

Multiple Choice

The glenohumeral joint includes ___.

• A) the humerus, radius and ulna
• B) the humerus and radius
• C) the humerus and clavicle
• D) the humerus and ulna
• E) the humerus and scapula

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Definitions:

Excitatory PSPs

Excitatory postsynaptic potentials are increases in potential that bring a neuron closer to the threshold for firing, facilitating the transmission of signals.

Inhibitory PSPs

Post-synaptic potentials that make a post-synaptic neuron less likely to generate an action potential.

Absolute Refractory Period

A period immediately following the firing of a nerve fiber when it cannot be stimulated for a brief period, regardless of how strong the incoming stimulus may be.

Relative Refractory Period

A period shortly after the firing of a nerve during which the nerve cannot be stimulated to fire again at its maximum rate, but can still respond to a stronger than usual stimulus.