Chpt 2.2: Synapses

What makes nitric oxide unique among neurotransmitters?

It is a gas.

A neurotransmitter receptor is:

a protein embedded in the membrane.

Dopamine and norepinephrine are classified as:

catecholamines

Insulin increases the entry of tryptophan into the brain by:

causing certain competing amino acids to enter other cells, outside the brain.

Many neurons release neuropeptides mostly from the:

dendrites

The neuron excretes neurotransmitter through its membrane by a process called:

exocytosis

Few pianists can play quickly enough to play the Minute Waltz in a minute. The finger movements that are required are likely to involve which type of neurotransmitter effects?

ionotropic effects

The neurotransmitter GABA exerts ____ effects, and its effects are almost always ____.

ionotropic; inhibitory

An action potential causes the release of neurotransmitters by:

opening calcium pores in the membrane.

After a meal that was rich in the amino acid tryptophan, which neurotransmitter level would be increased the most?

serotonin