Psychobiology 2

The term "hyperpolarization" refers to

Action potentials generally are not propagated along dendrites because dendrites lack

The equilibrium potential corresponds to

At the peak of the action potential, the axonal membrane approaches the equilibrium potential for

The neurotransmitter___is found in nuclei of the basal forebrain

The form of conduction that is characteristic of myelinated axons is called

Drugs that mimic GABAa receptors might be effective in treating

If drug A is found to bind to a certain type of receptor more strongly than drug B, then drug A is said to have greater

Action potentials are all-or-none phenomena. This means that

In the mammalian brain, the major inhibitory neurotransmitter is

Most IPSP's are attributable to the

Large areas of the brain are innervated by the serotonergic fibers originating from neurons along the midbrain and brainstem in the

Damage to the cingulate gyrus would most likely impair

Which region of the cortex is crucial for motor control

Repeated exposure to a drug leading to a decrease in physiological response is called

In the extracellular or intracellular fluid, which of the following is an anion

Which of the following is not a monoamine neurotransmitter

A neuron can be pushed to threshold if many EPSP's arrive at the axon hillock in quick succession. This process is referred to as

Which of the following is not a member of the amine family of small-molecule neurotransmitters

The active ingredient in tobacco products___the action___of

Whether a synapse is excitatory or inhibitory is determined by the

A major site of origin of projections using the transmitter norepinephrine is the

Down-regulation is the process by which

The central sulcus divides the___and___lobes

Upon reaching the threshold for an action potential, the next step in its generation is the opening of___channels

Downregulation of a neuron's receptors might be caused by

The specialized vascular tissue that produces the cerebrospinal fluid is called the

The sodium-potassium pump is responsible for

Which of the following about metabotropic receptors is false

When a person stops what they are doing and stares into space, they most likely are having a___seizure

A neuron can be pushed to threshold if many EPSP's arrive at the axon hillock at the same time, but from different locations across the cell body. This process is referred to as

A key causal event in the release of neurotransmitter molecules from vesicles into the synaptic cleft is the

Which of the following best describes the blood-brain barrier

A group of axons traveling together within the brain is called a

People who have used a particular dose of a drug several times may develop a similar response to the same dosage of other drugs in the same class. This is an example of

Please refer to the image on the screen. What is item number 9

The brainstem consists of the

Please refer to the image on the screen. What is item number 5?

GABA receptors are

Electrostatic pressure derives from

A ligand is a

Depolarizations make a neuron

Which of the following is not a catecholamine neurotransmitter

The basal ganglia consists primarily of the caudate nucleus, globus palludis, and

A patient in the hospital requires anti-nausea medication. Which of the following would provide the most rapid route of administration

The development of___tolerance may result in a change in the number of receptors present in the cell membrane

In general, the action potential is initiated at the

During the relative refractory phase,

After release, neurotransmitters are deactivated in the synapse by

If a newly-developed drug is found to bind to dopamine receptors but does not activate them, the drug is classified as a(n)