Exam 3: Synapses

The chemicals used as neurotransmitters in humans are found in:

The release of neurotransmitter from the presynaptic terminal is most dependent on the influx of what ion?

An EPSP is a(n):

Sherrington found that repeated stimuli within a brief time have a cumulative effect. He referred to this phenomenon as:

Acetylcholine is synthesized in the:

Cannabinoids are a class of chemicals that include:

Which effect would be considered to be antagonistic?

Why is marijuana unlikely to interfere with breathing or heart rate?

The amino acid tryptophan is the precursor to which neurotransmitter?

After one frog's heart has been stimulated, an extract of fluid from that heart can make a second frog's heart beat faster. What conclusion did Otto Loewi draw from these results?

Temporal summation most likely occurs with:

Suppose you were bitten by a black widow spider whose venom increases the release of acetylcholine from the presynaptic terminal. Which of the following treatments would be most effective?

When opiates block the activity of the locus coeruleus, this results in:

Inhibitory synapses actively suppress excitatory responses.

Vesicles are located:

Which effect would be considered to be agonistic?

Affinity refers to a drug's ____, while efficacy refers to a drug's ____.

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

What would be the effect of a drug that inhibits the action of the enzyme acetylcholinesterase?

Most of the brain's excitatory ionotropic synapses use the neurotransmitter glutamate.