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Questions and Answers
What is the primary action of an antagonist in neural transmission?
What is the primary action of an antagonist in neural transmission?
- Increase neurotransmitter levels in synapse
- Enhance the reuptake of neurotransmitters
- Stimulate autoreceptors to decrease neurotransmission (correct)
- Promote degradation of neurotransmitters
Which part of the brain does the telencephalon belong to?
Which part of the brain does the telencephalon belong to?
- Spinal cord
- Hindbrain
- Midbrain
- Forebrain (correct)
Which of the following processes describes how neurotransmitters are removed from the synaptic cleft?
Which of the following processes describes how neurotransmitters are removed from the synaptic cleft?
- Diffusion away from the synapse (correct)
- Direct absorption by postsynaptic neurons
- Reuptake into presynaptic neurons (correct)
- Degradation by enzymes only
What neurotransmitter is considered the main excitatory neurotransmitter in the brain?
What neurotransmitter is considered the main excitatory neurotransmitter in the brain?
What is the primary imaging method used to observe blood flow related to neural activity?
What is the primary imaging method used to observe blood flow related to neural activity?
What is the primary function of the caudate in the basal ganglia?
What is the primary function of the caudate in the basal ganglia?
Which imaging technique uses electrical activity to determine when the brain is active?
Which imaging technique uses electrical activity to determine when the brain is active?
What is a key limitation of the blood-brain barrier?
What is a key limitation of the blood-brain barrier?
Which brain structure is primarily involved in emotional responses?
Which brain structure is primarily involved in emotional responses?
What does functional magnetic resonance imaging (fMRI) primarily indicate?
What does functional magnetic resonance imaging (fMRI) primarily indicate?
Which of the following is a causal method of studying brain activity?
Which of the following is a causal method of studying brain activity?
Lesion studies, such as those involving Phineas Gage and Tan, provide evidence of what?
Lesion studies, such as those involving Phineas Gage and Tan, provide evidence of what?
What is the primary role of the hippocampus in the limbic system?
What is the primary role of the hippocampus in the limbic system?
What is behavioral neuroscience primarily concerned with?
What is behavioral neuroscience primarily concerned with?
What misconception about the center of thought did early thinkers, such as Aristotle, hold?
What misconception about the center of thought did early thinkers, such as Aristotle, hold?
Which philosopher proposed the idea of dualism?
Which philosopher proposed the idea of dualism?
What does phrenology, popularized by Franz Gall, suggest?
What does phrenology, popularized by Franz Gall, suggest?
Which concept refers to the specialization of different brain regions for specific functions?
Which concept refers to the specialization of different brain regions for specific functions?
What does neuroplasticity imply about the brain?
What does neuroplasticity imply about the brain?
What was Descartes' contribution to our understanding of brain function?
What was Descartes' contribution to our understanding of brain function?
Why might language localization differ between individuals?
Why might language localization differ between individuals?
What is the primary role of dendrites in a neuron?
What is the primary role of dendrites in a neuron?
Which part of the neuron is responsible for decision-making regarding signal transmission?
Which part of the neuron is responsible for decision-making regarding signal transmission?
What type of neuron primarily transmits signals from the sensory system?
What type of neuron primarily transmits signals from the sensory system?
What is the purpose of myelin cells along the axon?
What is the purpose of myelin cells along the axon?
Where are axon terminals located in a neuron?
Where are axon terminals located in a neuron?
Which component of the neuron holds the genetic material?
Which component of the neuron holds the genetic material?
What type of neuron is characterized by having multiple dendrite offshoots?
What type of neuron is characterized by having multiple dendrite offshoots?
What forms the primary pathway for transmitting information between neurons?
What forms the primary pathway for transmitting information between neurons?
What role does electrostatic pressure play in the movement of ions across the cell membrane?
What role does electrostatic pressure play in the movement of ions across the cell membrane?
What does the term 'threshold' refer to in the context of action potentials?
What does the term 'threshold' refer to in the context of action potentials?
What best describes the all-or-none principle of action potentials?
What best describes the all-or-none principle of action potentials?
During which period can a neuron not fire another action potential, regardless of stimulus strength?
During which period can a neuron not fire another action potential, regardless of stimulus strength?
What effect does myelin sheathing have on saltatory conduction?
What effect does myelin sheathing have on saltatory conduction?
Which term describes the phenomenon where multiple stimuli can combine to produce an action potential?
Which term describes the phenomenon where multiple stimuli can combine to produce an action potential?
What occurs during the relative refractory period of an action potential?
What occurs during the relative refractory period of an action potential?
What is the primary function of Na/K pumps in neurons?
What is the primary function of Na/K pumps in neurons?
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