Lab 6 Neurophysiology Lab (PhysioEx)

Which of the following statements about receptor potentials is FALSE?

Which of the following is NOT a functional region of a neuron?

The conducting region of the neuron is the _______.

The typical concentration of sodium is _______.

Which of the following describes a change from the resting membrane potential?

What effect did increasing the extracellular potassium have on the resting membrane potential?

What effect did decreasing the extracellular sodium have on the resting membrane potential?

The channels that provide for the movement of potassium in the resting neuron are _______.

Establishing the resting membrane potential requires energy through the use of the _______.

A nerve is _______.

The region on the neuron where action potentials are generated is called the ______.

In this simulation, ______ will be used to stimulate the axon.

We describe the regeneration of the action potential down the membrane of the axon of the neuron as ______.

The minimum voltage that is required to generate an action potential is called the _______.

Increasing the voltage resulted in which of the following?

An axon that is more negative than the resting membrane potential is said to be _______.

If an increase in extracellular potassium hyperpolarizes a neuron, which of the following would be correct?

An action potential requires ______.

To reach threshold, the amount of sodium _______.

Which of the following blocks voltage-gated sodium channels?

Which of the following is used to block pain?

Which of the following occurred in the presence of tetrodotoxin?

Which of the following occurred within the presence of tetrodotoxin?

The effects of lidocaine and tetrodotoxin were _______.

Which of the following is described correctly?

The rate with which an action potential travels along an axon ____.

Which of the following describes a B fiber?

The nodes of Ranvier are _______.

Which fibers generate the smallest value for conduction velocity?

The time interval for conduction would be shortest with

Increasing the amount of myelination _____.

In this activity, the stimulus voltage used was _______.