GRE Psychology Domain 1: Biological Welcome to your GRE Psychology Domain 1: Biological 1. GRE Psychology: Biological Which neurotransmitter is primarily involved in the regulation of mood, appetite, and sleep? A. Dopamine B. Serotonin C. Acetylcholine D. GABA None 2. GRE Psychology: Biological The "fight or flight" response is primarily triggered by which part of the autonomic nervous system? A. Sympathetic nervous system B. Parasympathetic nervous system C. Central nervous system D. Somatic nervous system None 3. GRE Psychology: Biological In the context of neural transmission, what does the term 'refractory period' refer to? A. The time when a neuron can fire at an increased rate. B. The time immediately after an action potential when a neuron is unable to fire. C. The period during which neurotransmitters are released. D. The time required for a neuron to return to its resting state. None 4. GRE Psychology: Biological Which part of the brain is most directly involved in the regulation of basic survival functions like heart rate and breathing? A. Cerebrum B. Cerebellum C. Brainstem D. Hippocampus None 5. GRE Psychology: Biological Which hormone is primarily responsible for the body's response to stress? A. Insulin B. Cortisol C. Estrogen D. Testosterone None 6. GRE Psychology: Biological In the visual processing system, what is the primary function of the rods in the retina? A. Color vision B. Fine detail vision C. Night vision D. Peripheral vision None 7. GRE Psychology: Biological What is the function of myelin in the nervous system? A. To produce neurotransmitters. B. To protect and insulate axons. C. To regulate the release of hormones. D. To filter blood in the brain. None 8. GRE Psychology: Biological Which brain structure is primarily responsible for the coordination of voluntary movements and balance? A. Hypothalamus B. Cerebellum C. Amygdala D. Thalamus None 9. GRE Psychology: Biological In the context of neurotransmitters, what is the function of an agonist? A. It blocks the action of a neurotransmitter. B. It destroys neurotransmitter molecules. C. It mimics the action of a neurotransmitter. D. It regulates the synthesis of neurotransmitters. None 10. GRE Psychology: Biological Which lobe of the brain is primarily responsible for processing visual information? A. Frontal lobe B. Parietal lobe C. Occipital lobe D. Temporal lobe None 11. GRE Psychology: Biological The neurotransmitter dopamine is most closely associated with which of the following functions? A. Memory and learning B. Sleep and wakefulness C. Mood regulation D. Reward and pleasure None 12. GRE Psychology: Biological In terms of brain hemispheric specialization, the left hemisphere is typically associated with which of the following functions? A. Spatial awareness and recognition B. Emotional processing C. Language and analytical thinking D. Musical and artistic abilities None 13. GRE Psychology: Biological Which area of the brain is primarily associated with the formation of new memories? A. Frontal lobe B. Amygdala C. Hippocampus D. Cerebellum None 14. GRE Psychology: Biological What is the main function of the parietal lobe in the human brain? A. Emotional processing B. Motor function control C. Sensory perception and integration D. Visual processing None 15. GRE Psychology: Biological Which hormone is released by the pineal gland and regulates sleep patterns? A. Melatonin B. Adrenaline C. Thyroxine D. Insulin None 16. GRE Psychology: Biological What is the primary role of the neurotransmitter glutamate in the central nervous system? A. Inhibitory neurotransmitter B. Mood regulation C. Major excitatory neurotransmitter D. Pain perception None 17. GRE Psychology: Biological Which brain structure is essential for the consolidation of spatial memory and navigation? A. Amygdala B. Basal ganglia C. Hippocampus D. Frontal cortex None 18. GRE Psychology: Biological In neurobiology, what does 'neuroplasticity' refer to? A. The brain's capacity to form new neural connections throughout life. B. The degeneration of neurons due to aging. C. The ability of neurons to transmit electrical signals. D. The fixed structure of the adult brain. None 19. GRE Psychology: Biological Which part of the brain is primarily involved in the regulation of homeostasis, including temperature control and hunger? A. Cerebellum B. Hippocampus C. Hypothalamus D. Thalamus None 20. GRE Psychology: Biological What is the primary neurotransmitter used by the sympathetic nervous system for transmitting signals? A. Acetylcholine B. Dopamine C. Norepinephrine D. Serotonin None 21. GRE Psychology: Biological Which area of the brain is primarily responsible for the coordination and smooth execution of voluntary movements? A. Basal ganglia B. Hippocampus C. Cerebellum D. Amygdala None 22. GRE Psychology: Biological In the human brain, where is the primary auditory cortex located? A. Frontal lobe B. Parietal lobe C. Temporal lobe D. Occipital lobe None 23. GRE Psychology: Biological What is the primary function of the neurotransmitter GABA "gamma-aminobutyric acid" in the central nervous system? A. To act as the main excitatory neurotransmitter. B. To modulate mood and emotional responses. C. To serve as the primary inhibitory neurotransmitter. D. To enhance memory formation and learning. None 24. GRE Psychology: Biological The somatosensory cortex is primarily involved in processing information related to: A. Visual stimuli. B. Sound and auditory stimuli. C. Taste and smell. D. Touch and physical sensations. None 25. GRE Psychology: Biological Which gland is known as the "master gland" of the endocrine system due to its role in controlling the functions of other endocrine glands? A. Thyroid gland B. Adrenal gland C. Pituitary gland D. Pineal gland None 26. GRE Psychology: Biological In neural transmission, what is the primary function of an axon? A. To receive signals from other neurons. B. To transmit electrical impulses away from the neuron's cell body. C. To produce neurotransmitters. D. To protect and insulate the neuron. None 27. GRE Psychology: Biological What role does the neurotransmitter acetylcholine play in the peripheral nervous system? A. It primarily inhibits muscle action. B. It is involved in the regulation of mood. C. It activates muscles for voluntary movement. D. It serves as a primary neurotransmitter for pain perception. None 28. GRE Psychology: Biological The 'split-brain' procedure, involving the severing of the corpus callosum, is primarily used to treat which condition? A. Major depressive disorder B. Epilepsy C. Alzheimer's disease D. Parkinson's disease None 29. GRE Psychology: Biological In the context of neural action potentials, what is the significance of the 'all-or-none' principle? A. A neuron fires at varying intensities based on the strength of the stimulus. B. A neuron either fires at full strength or not at all. C. Only a certain number of neurons can fire at one time. D. Neurons gradually increase firing rates as stimulus strength increases. None 30. GRE Psychology: Biological The primary visual cortex (V1) is located in which lobe of the brain? A. Frontal lobe B. Parietal lobe C. Temporal lobe D. Occipital lobe None 1 out of 30 Time is Up! Time's up
