Exam 9: Nervous Tissue

All of the following are functions of the nervous system EXCEPT

The stage in an action potential that immediately follows depolarization is

The type of neuroglial cell involved in forming the blood-brain barrier is the

Some regeneration of neurons can occur in the peripheral nervous system.

Natural pain killers called endorphins are classified as neuropeptides.

Which of the following events would occur to a postsynaptic membrane in response to the presence of an inhibitory neurotransmitter?

Which of the labeled structures in the diagram contains synaptic vesicles that store neurotransmitters?

All of the following are part of the peripheral nervous system EXCEPT

The charge difference between the outside and the inside of the plasma membrane of a neuron at rest is called the

Which of the following ions directly triggers the release of neurotransmitter into the synaptic cleft?

Another term for nerve impulse is action potential.

The cranial nerves are part of the peripheral nervous system (PNS).

To establish the resting potential, potassium ions move out of the neuron and sodium ions move into the neuron through _____ channels.

The _____ of the brain consists of unmyelinated axons, dendrites, neuron cell bodies and neuroglia.

Local anesthetics like Novocaine and Lidocaine, which are used to block pain during painful medical procedures, exert their effect by blocking the opening of

Which of the labeled structures in the diagram is the "receiving" or "input" part of the neuron?

The duration of a single nerve impulse is approximately

Which of the following is an autoimmune disease that results in the destruction of myelin sheaths of neurons in the central nervous system?

Processes that carry impulses from the neuron cell body to another neuron or effector are called

The neuroglia that produce the myelin sheath around axons in the peripheral nervous system are called