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Question 1 What is magnetic resonance imagining (MRI) used for? …
Question 1
What is magnetic resonance imagining (MRI) used for?
A. to measure voltage in a single neuron
B. to create a three-dimensional image of the brain
C. to determine which chemicals are active at a given synapse
D. to determine whether toxic substances have crossed the blood-brain barrier
Question 2
When neurons fire, they release a rush of electrical activity that is called what?
A. modal current
B. an action potential
C. metabotropic activity
D. tomography
Question 3
Which of the following neurotransmitters is mimicked by the active chemical in marijuana?
A. anandamide
B. acetylcholine
C. GABA
D. endorphins
Question 4
Which part of the brain makes “sense” of what we take in through our senses?
A. superior colliculi
B. cerebellum
C. thalamus
D. basal ganglia
Question 5
What is the name of the gap that exists between neurons?
A. axon
B. axon terminal
C. dendrite
D. synapse
Question 6
What is the brain’s major inhibitory neurotransmitter?
A. endorphin
B. l -dopa
C. GABA
D. serotonin
Question 7
Which of the following processes is responsible for removing excess neurotransmitter from the synapse?
A. depolarization
B. reuptake
C. spontaneous disintegration
D. action potential
Question 8
What is the name of the waxy sheath that covers many axons?
A. dopamine
B. the exoskeleton
C. myelin
D. the dendritic membrane
Question 9
How do drugs act on the nervous system?
A. They affect the deactivation of neurotransmitters.
B. They reverse the effects of neurotransmitters.
C. They change the shape of the synapse.
D. They increase the production of neurotransmitters.
Question 10
If a neurotransmitter is a key, what structure is the lock?
A. the axon
B. the synapse
C. the receptor
D. the axon terminal
Question 11
Heroin and other opiate drugs are thought to be functionally similar to what neurotransmitter?
A. dopamine
B. acetylcholine
C. endorphins
D. GABA
E. serotonin
Question 12
What brain structure controls primary drives like hunger and thirst?
A. hippocampus
B. occipital cortex
C. hypothalamus
D. medulla
Question 13
What neurotransmitter is active at the neuromuscular junction?
A. acetylcholine
B. dopamine
C. myosin
D. serotonin
Question 14
LSD acts as an agonist for which of the following neurotransmitters?
A. glutamate
B. serotonin
C. dopamine
D. acetylcholine
Question 15
Progressive deterioration of motor control is a key symptom of what disorder?
A. Parkinson’s disease
B. schizophrenia
C. serotonin syndrome
D. Alzheimer’s disease
Question 16
Recent brain imaging research suggests that drug craving is associated with activity in what part of the brain?
A. hypothalamus
B. hippocampus
C. temporal lobe
D. limbic system
Question 17
What kinds of molecules are released by metabotropic receptors that may open ion channels and initiate the synthesis of second messengers?
A. beta-blockers
B. anandamides
C. G proteins
D. monoamines
Question 18
Which of the following will exert the strongest inhibitory action in the brain?
A. acetylcholine
B. serotonin
C. norepinephrine
D. GABA
Question 19
What compound occupies a receptor but does not activate the neuron?
A. agonist
B. antagonist
C. enzyme
D. neurotransmitter
Question 20
What kind of receptor is sometimes termed a “fast” receptor because the entire process is completed in just a few milliseconds?
A. particle
B. channel
C. ionotropic
D. metabotropic
