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Gre Psychology: Experimental/natural Science Biology

Subjects : gre, psychology
Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. In the CNS - is an amino acid that stabilizes neural activity






2. Is characteristic of indirect antagonists






3. There are 12 add more






4. A drug that facilitates the effects of a particular neurotransmitter on the postsynaptic cell






5. Is a peptide neurotransmitter and a natural painkiller and antianxiety






6. Found that developmental changes occurring in puberty make the brain more susceptible to the psychotic effects of NDMA antagonist and therefore also related to the emergence of symptoms of schizophrenia






7. Midbrain - medulla and the pons






8. Is used to treat Parkinson'S Disease






9. A steroid hormone produced by the ovary that maintains the endometrial lining of the uterus during the later part of the menstrual cycle and during pregnancy; along with estradiol it promotes receptivity in female mammals with estrous cycles






10. Synchronized EEG activity during its deeper stages






11. Binding of drug to receptor site that doesn'T interfere with the principal ligand






12. Is an oversensitivity to dopamine (D2)






13. Forebrain -band of nerve fibers connecting the two cerebral hemispheres






14. Occurs for body temperature - blood glucose levels - blood concentration - etc -hormones are important






15. Colored part of the eye






16. Is increased in its production by training/experience and therefore - associated with memory






17. Important to motor system






18. Fluid filled cavities in the middle of the brain - linking to the spinal canal that runs down the middle of the spinal cord; this fluid is cerebrospinal fluid






19. A single - unfertilized cell created during conception; the combined egg + sperm






20. Attaches to a binding site on receptor and interferes with the action of the receptor without affecting the binding site for the principal ligand (noncompetitive binding)






21. Somewhat excitatory - also involved in synaptic plasticity - learning and short-term memory






22. The scientific study of animal behavior; documentation of species-specific instinctual behaviors






23. Include indolamines (serotonin) and catecholamines (dopamine - norepinephrine and epinephrine)






24. Hypothalamic-pituitary-adrenal axis -controls stress response






25. Sits just above the hindbrain - contains cranial nerves - parts of the reticular formation -important relay stations for sensory information and the substantia nigra






26. hormone - secreted by the pituitary gland -signals the adrenal gland to secrete corticosteroid hormones -ACTH is a critical component of the HPA Axis that controls the stress response






27. Similarity of alleles for a trait in an organism (i.e. heterozygous or homozygous)






28. Referred to as the satiety center; lesions lead to obesity and hyperphagia






29. Is used as an anaesthetic for children and animals but causes psychosis in adults






30. Follow Hering'S Opponent Process of color vision - and only have two types: red-green and yellow-blue; other levels of color vision are tri-chromatic






31. Measure changes in the electrical resistance of the skin (sweat gland activity)






32. The maintenance of water balance in the body






33. Pass the easiest through the blood-brain barrier






34. Those biological considerations which are IMMEDIATE;Behavioral/Cognitive Neuroscience (i.e. how the nervous and endocrine systems influence behaviors/thoughts)






35. Hormones that reduce pain






36. Vestibulocochlear Nerve - hearing and balance






37. Two different presynaptic neurons/inputs to a post-synaptic cell






38. Opening in the iris; dilates and contracts allowing different levels of light in






39. Affect multiple receptors; highly preferential to which type of receptor they affect






40. Projects to ventral tegmental area






41. Functions as both a hormone and a neurotransmitter in the brain






42. A peptide - also known as OREXIN - produced by neurons whose cell bodies are located in the hypothalamus; their destruction causes narcolepsy






43. Related to plasticity - the term Lashley used to describe different parts of the cortex being interchangeable in their roles in learning






44. Occurs at the onset of puberty; a hypothalamic hormone that stimulates the pituitary gland to secrete gonadotropin






45. Made from within - natural






46. Are direct antagonists; binds with a receptor but does not activate it - but prevents the natural ligand from binding with the receptor






47. Some brain communications are with the same side of the body






48. States that performance is worst at extremely low or extremely high levels of arousal and optimally at an intermediate level






49. Short bursts of waves 12-14 Hz that occur 2-5 times a minute during stages 1-4 of sleep; most characteristic of sleep Stage II; some believe sleep spindles are involved in keeping one asleep (decline in older people)






50. Lens changes initiated by the ciliary muscles to change the shape of the lens in order to focus image on the retina







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