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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. Irregular electrical activity of 13-30 Hz - state of arousal - attentive






2. Precursor to the catecholamine neurotransmitters (DA + NE)






3. Instead of one continuum for sex (masculine-feminine) - her work in the presence of both masculine and feminine features/development suggests these are actually two separate continuums (defeminized-feminized and unmasculinized-masculinized)

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






5. Controls circadian rhythms - produces melatonin (daylight signals go to the eyes to the hypothalamus to the pineal gland)






6. Hormone secreted during the night by the pineal body; role in circadian and seasonal rhythms






7. Important to motor system






8. Sleep tests (i.e. to diagnosis sleep apnea)






9. Auditory receptor cells in the cochlea that turn sound vibrations -> neural impulses






10. Decreasing effects of a medication due to repeated administration






11. An area that combines input from diverse brain regions






12. Refers to both the somatosensory cortex and motor cortex (they are a little different but very interrelated)






13. Combines input from diverse brain regions; receives sensory information/sends motor impulses






14. If head is rotated - eye movements occur in the same direction






15. Found in the ventricles and spinal canal






16. Include the Nigrostriatal system - Mesolimbic system and Mesocortical system






17. 'little net'






18. Produce drowsiness and sleepiness






19. Focuses light waves on the retina and is held in place by the suspensory ligament; aqueous humor on cornea side; vitreous humor on retina side






20. Has a major role in metabolism - stimulation/maintenance - produces the hormones thyroxin and calcitonin






21. Is found between the arachnoid mater and Pia mater; this is where CSF cushions (and bathes) the brain - giving it the floating quality (and keeping it moist/circulating)






22. Located in the midbrain - a group of neurons which produce dopamine and degenerate in Parkinson'S Disease






23. Holds the lens in place






24. Vision: protrusions on top of the midbrain; part of visual system






25. Controls sexual activity






26. 'little brain'






27. Viscous substance between cornea and lens; transparent substance between lens and retina






28. Thymoleptics = relieves mania of bipolar disorder (lithium carbonate - valproic acid - carbamazepine)






29. Junction of the sagittal and coronal sutures of the skull; often used as a reference point for stereotaxic brain surgery






30. Includes comparative (evolution/genetics/animal behavior/ethology) and behavioral regulation






31. The female reproductive cycle of most primates - including humans; recognized by growth of the lining of the uterus - ovulation - development of a corpus luteum - and (if pregnancy does not occur) menstration






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






33. Ventral part of midbrain - includes periaqueductal gray matter - reticular formation - red nucleus - and substantia nigra






34. SCN = controls circadian rhythms - located directly above the optic chasm in the anterior portion of the hypothalamus - receives input from the eyes which is why light exposure affects our sleep-wake cycles






35. Means 'Savory' in Japanese and is a taste receptor found on the tongue; activated by glutamate present in meats - cheese and other protein heavy foods






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






37. Attaches to the binding site on a receptor and interferes with the receptor'S action - but NOT by interfering with the principal ligand'S binding site (noncompetitive binding)






38. Actually are two kinds: monochorionic and dichorionic (blastocyst splis into two before day 4)






39. Symptom of narcolepsy - irresistible urge to






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






41. Choroid Plexus > Ventricle 1 & 2 > Foramen of Monro > Ventricle 3 > Aqueduct of Sylvius > Ventricle 4 > Foramen of Magendie lateral aperture) > Foramina of Luschka (lateral aperture) - subarachnoid space (outside of brain) and spinal cord > re-absorp






42. First described by Descartes - a combination of antagonistic muscle movements (e.g. those involved in walking)






43. Moving forward






44. Is found in the frontal lobe (which is divided into the prefrontal lobes and ___ ___)






45. Sudden - sharp waveforms found only in Stage II of sleep; spontaneously occur about one per minute but also to unexpected noises






46. A large network of neural tissue located in the central region of the brain stem - from the medulla to the diencephalon






47. When a neuron reaches its excitation threshold - the neuron will produce an action potential of FIXED amplitude regardless of the magnitude of the stimulation






48. An ovary or teste






49. Oculomotor Nerve - moves eye pupil






50. Functions in metabolism (carbohydrate - protein - lipid) and in the endocrine system'S salt/water balance - produces the hormones cortisol and aldosterone






Can you answer 50 questions in 15 minutes?



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