Exam 2: Neurophysiology

MATCHING Match each description with the term that correctly identifies the generation and conduction of the nerve impulse stage. Terms may be used more than once. -The interval during which a second action potential cannot be initiated,no matter how large a stimulus is applied.

Nerve fiber type _____ ,the largest nerve fiber with the fastest conduction velocity,is responsible for what type of pain?

A local anesthetic is said to cause a loss of nociception.What does this mean?

MATCHING Match each description with the term that correctly identifies the generation and conduction of the nerve impulse stage. Terms may be used more than once. -The electrical potential of the neuron is approximately -70 mV.

MATCHING Match each description with the term that correctly identifies the generation and conduction of the nerve impulse stage. Terms may be used more than once. -The nerve is stimulated by the minimal threshold level.

What are the nerves that conduct signals away from the brain or spinal cord called?

MATCHING Match each description with the term that correctly identifies the generation and conduction of the nerve impulse stage. Terms may be used more than once. -The gated Na⁺ channels on the resting neuron's membrane release and open suddenly in order to allow the Na⁺ in the extracellular fluid to influx into the cell.

What is the layer of connective tissue that surrounds each axon within a nerve called?

The main difference between motor neurons and sensory neurons is the location of which body part?

What is the name of the portion of the sensory neuron that is easily excited and has the most negative action potential threshold?

The difference between the electrical charge on the outside of the cell and that on the inside of the cell is called what?

What are the endogenous chemicals that transmit signals from a neuron to a target cell across a synapse called?

What is the propagation of action potentials along myelinated axons from one node of Ranvier to another called?