Exam 39: Information Flow and the Neuron

In terms of changes in membrane potential, compare and contrast action potentials and graded potentials.

To which class of neurotransmitters does substance P belong?

About how far do dendrites extend from the cell body in most neurons?

Which sequence of the neural signaling pathway is correctly arranged from the earliest to the latest event as it occurs in the nervous system?

Jean-Luc Eiselé and his coworkers used ______ receptors in their research on neurotransmitter receptor function.

To which class of neurotransmitters does glutamate belong?

When measuring membrane potential, the tip of a microelectrode is inserted into a(n) ____.

Which type of glial cell provides physical support to neurons?

The refractory period of a neuronal plasma membrane is important because it ____.

The binding of a neurotransmitter to ligand-gated Cl- channels will cause ____ in the postsynaptic membrane.

After burning your hand on a hot burner, which neurotransmitter will most likely be released from the pain receptors?

When a neuron membrane potential becomes less negative, it is said to be ____.

Otto Loewi demonstrated that neurons transmit signals across synapses by ____.

Neurotransmitters that bind to G-protein-coupled receptors act more rapidly than those binding to ionotropic receptors.

Which component of a neural signaling pathway sorts and interprets messages?

Neuropeptide neurotransmitters ____.

What removes Ca²⁺from the inside of an axon terminal of a chemical synapse after an electrical impulse has passed?

To which class of neurotransmitters does dopamine belong?

Cells in the nervous system that send and receive electrical signals are called ____.