Questions and Answers
The autonomic nervous system is most directly involved in?
Which of the following biological systems is most likely responsible for an increase in heart rate while experiencing anxiety?
The part of the neuron that is responsible for receiving signals from other neurons is called:
Which of the following is classified as an antagonist?
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The drugs that block the reabsorption of neurotransmitters in the synapse during neural transmission are:
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A drug that has the effect of intensifying or mimicking a particular neurotransmitter can be characterized as:
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Where in the brain is the most likely site of the lesion if a professor is studying regions involved in learning to navigate a maze task?
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The time shortly after a neuron fires is referred to as:
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The process by which neurotransmitters are reabsorbed into the neuron after it fires is called?
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During neuronal firing, the part of the neuron that acts as an insulator and conductor to speed the electrical impulse as it travels down the axon is?
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Which of the following is true about the pons?
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A person with damage to Broca's area would most likely demonstrate which of the following symptoms?
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Which of the following allows the examination of living brain tissue visually without performing surgery?
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The area of the brain stem that is important in controlling breathing is the?
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Study Notes
Autonomic Nervous System
- Responsible for involuntary functions such as digesting food.
Sympathetic Nervous System
- Activates the body's fight-or-flight response, increasing heart rate during anxiety.
Neuron Structure
- Dendrite: Receives signals from other neurons, crucial for neuronal communication.
Antagonists in Pharmacology
- Tricyclic antidepressants block reuptake transporters for serotonin and norepinephrine, classified as antagonists.
SSRI Type Drugs
- Selective Serotonin Reuptake Inhibitors (SSRIs) block reabsorption of serotonin in synapses, enhancing mood.
Agonists in Pharmacology
- Agonists mimic neurotransmitters, intensifying their effects and enhancing signal transmission.
Brain Function and Lesions
- The hippocampus is linked to learning and memory; lesions in this area impact maze navigation performance.
Neuronal Firing Phases
- Refractory period: The brief time after a neuron fires when it cannot generate another action potential.
Neurotransmitter Reuptake
- Reuptake is the process where neurotransmitters are reabsorbed by the neuron, critical for signal termination.
Myelin Sheath
- Insulates axons and speeds up electrical impulse conduction along the neuron.
Functions of the Pons
- The pons plays a significant role in regulating sleep and arousal, serving as a bridge between brain hemispheres.
Broca's Area
- Damage to this area results in difficulties with speech production, affecting verbal communication abilities.
Brain Imaging Techniques
- Computerized Axial Tomography (CAT) allows visualization of living brain tissues without surgery.
Brain Stem and Breathing
- The medulla is essential for involuntary functions, particularly the control of breathing.
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Description
Test your knowledge on the autonomic nervous system, neuron structure, and pharmacology. This quiz covers key concepts such as neurotransmitter functions, their agonists and antagonists, and the effects of brain lesions. Perfect for students of neuroscience and psychology.
