Exam 11: The Nervous System: Integration and Control

Use the figure above to match the events of action potential propagation with when they occur on the graph (labeled A-D). -voltage threshold for membrane

When a person changes from one level of sleep to another during the night, neuronal activity in which one of the following brain regions increases?

Recordings of the brain's activities can be made using a(n) ________; this information is used to study the functioning of the brain.

Reestablishment of the resting potential in a neuron following an action potential requires the activity of the sodium-potassium pump.

In order for repolarization of a neuron to occur, ________ must be closed.

The left and right sides of the cerebrum are interconnected by which one of the following?

Use the figure above to match the events of action potential propagation with when they occur on the graph (labeled A-D). -the membrane has repolarized

There are several toxins that interfere with synaptic transmission. Botulism toxin, for example, interferes with the fusion of acetylcholine-containing vesicles with the membrane of the axon bulb. This would result in which one of the following?

During which one of the following phases of an action potential do the sodium channels close and potassium channels open, releasing potassium from the neuron?

Cells in nerve tissue that support and protect neurons are called ________ cells.

The strength and duration of a stimulus determine the amplitude of an action potential.

Use the figure above to match the events of action potential propagation with when they occur on the graph (labeled A-D). -potassium channels within the membrane are open

Both voluntary and involuntary skeletal muscle movement are controlled through which one of the following divisions of the nervous system?

For an action potential to be generated, a minimum membrane voltage, or a(n) ________ , must be reached.

Convergence occurs when several presynaptic cells

Which one of the following types of neurotransmitter functions as an inhibitory agent, typically suppressing the sensation of pain?

Axons branch into axon terminals, which have ________ located at the terminal ends.

The three main anatomical and functional divisions of the brain are the

The absolute refractory period characteristic of neurons is important in ensuring that action potentials travel in only one direction.

The figure above shows a sagittal section through the brain. Match each labeled part (A-F) of the brain with its function. -ensures that antagonistic muscles do not contract at same time