Upgrade to remove ads
extra 106 flashcard
Terms in this set (41)
A drug that inactivates the enzyme acetylcholinesterase would be expected to
prolong the effects of acetylcholine in the synapse.
After a vesicle fuses with the presynaptic membrane and releases its contents into the synaptic cleft, the membrane is
recycled to form new vesicles
Movement of cargo from one end of the axon to the other involves _______ along the _______ .
axoplasmic transport; microtubules
Neurotransmitter release from the presynaptic membrane is triggered by the
influx of calcium ions into the axon terminal.
Saltatory conduction is rapid because
cable properties carry the signal under the myelin sheath.
The _______ mediates the inflammatory reaction that follows brain damage.
The _______ branch of the nervous system is under voluntary, conscious control.
Cessation of respiration would be expected following damage to the
The motor association cortex is located
just rostral to primary motor cortex.
Termination of the postsynaptic potential would be expected from a drug or process that acts to
enzymatically degrade the neurotransmitter molecule
Neurons that are formed during embryonic development are likely to die if they do not
form synaptic contacts with other neurons
The postsynaptic potentials induced by most neurotransmitters are ended by
reuptake of the molecule into the axon terminal.
Autoreceptors are located on the _______ and detect _______.
presynaptic membrane; the transmitter released by that neuron
The _______ is the most caudal portion of the brain stem.
Parkinson's disease results from loss of ________-secreting neurons of the ________.
dopamine; nigrostriatal bundle
The unique aspect of norepinephrine (NE) release is that
axonal varicosities release NE.
Damage to the ________ cholinergic system would be expected to impair learning.
Damage to the lateral zone of the cerebellum results in
difficulty in control of independent limb movements as well as impaired timing of ballistic movements.
Select the correct sequence for processing of information in the primary visual pathway:
retina - > dorsal lateral geniculate (LGN) -> striate cortex
The metabolism of glycogen within astrocytes produces ________, which in turn promotes ________.
adenosine; slow-wave sleep
the inability to recognize individual faces.
A person who suffers from deuteranopia would be said to
have "green" cones filled with "red" photopigment
Which of the following are true of neurons within the ventrolateral preoptic area (vlPOA)?
Electrical stimulation of vlPOA neurons produces signs of drowsiness
The key distinction between an organizational hormone effect and an activational hormone effect is that
organizational effects are permanent
A human female is more likely to initiate sexual activity with her partner
at a point in the menstrual cycle when estradiol levels are highest.
Damage to the lumbar spinothalamic cells impairs
The enzyme ________ converts testosterone into dihydrotestosterone
The primary hormone associated with the absorptive phase of metabolism is
The NMDA receptor controls ________ and is normally blocked by ________.
a calcium channel; magnesium ions
The induction of long-term potentiation in the hippocampus would be blocked by
a drug such as AP5 that blocks NMDA receptors
The capacity of tricyclic antidepressant drugs to ________ is why these drugs function as monoamine agonists.
block the reuptake of norepinephrine and serotonin into the terminals
A person who is compelled to continue drug taking, despite adverse consequences, is said to suffer from
Negative symptoms of schizophrenia
are associated with low levels of mesocortical dopamine activity.
Lithium is an effective treatment for ________ but not ________.
bipolar disorder; unipolar depression
The behavioral effects of amphetamine are due to
its ability to stimulate release dopamine from the terminal buttons.
A drug such as aripiprazole counters the positive, negative, and cognitive symptoms of schizophrenia because this drug
is a partial agonist at dopamine receptors in the prefrontal cortex and nucleus accumbens
Drugs that inhibit the activity of monoamine oxidase (MAO)
are an effective treatment for depression.
The positive symptoms of schizophrenia are reversed/relieved by drugs that are
dopamine receptor antagonists.
Which class of antidepressant agents have the effect of increasing activity in both serotonin and norepinephrine synapses?
Imagine that a friend has ingested a drug (e.g., Ro15-4513) that prevents alcohol from binding to the GABA receptor and then joins up with you at a bar. Which of the following would you expect to happen to this person?
He or she would show no signs of intoxication or sedation, even after 19 beers.
depressant mechanism of action
Allosteric agonists of GABA A, then releases DA in NAc
You might also like...
Psychobio Exam 4
Psyc 460 Exam 2 for Jazzy
psy 260 quiz 2
Other sets by this creator
Depression and Anxiety N165