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Gre Psychology: Experimental/natural Science Biology

Subjects : gre, psychology
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • 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. Actually are two kinds: monochorionic and dichorionic (blastocyst splis into two before day 4)






2. Precursor to GABA (the most inhibitory/regulatory/pervasive neurotransmitter)






3. Include tolerance (possible withdrawal) and sensitivity






4. Hypoglossal Nerve - moves the tongue






5. In the limbic system - is a fiber bundle - connects hippocampus with stuff (including the mammillary bodies of the hypothalamus)






6. Mechanism whereby neurons make connections to new areas to change their connectivity






7. 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






8. Adenine - Guanine - Thymine - Cytosine






9. 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)






10. 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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11. 1. Stage I (non-REM sleep) 2. Stage II (non-REM sleep 3. Stage III (non-REM sleep - slow-wave sleep) 4. Stage IV (non-REM sleep - slow-wave sleep) 5. Rapid Eye Movement Sleep (REM sleep) ~takes about 90 minutes for one full sleep cycle






12. Research indicates that the expressing of negative emotions is associated with increased immune function; inhibiting negative emotions with decreasing immune function






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






14. Are postsynaptic potentials that are found in the dendrites and vary in their intensity






15. Binding of a drug to a receptor site that does not interfere with the binding site for the principal ligand






16. A 90-minute activity cycle occurs throughout the day as well as throughout sleep (in humans) waxing and waning alertness controlled by a biological clock in the caudal brainstem that also controls cycles of REM and slow-wave sleep






17. Found in the hypothalamus - function to maintain the water balance in the body






18. Sleepwalking - sleep talking






19. Completely disactivates the prefrontal cortex (PFC); due to high levels of norepinephrine (NE)






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






21. Colored part of the eye






22. Receive incoming sensory information or send out motor impulse commands






23. Dorsal part of midbrain; includes the superior and inferior colliculi






24. Is regulated by the hypothalamus






25. Convoluted of hills (gyri) and valleys (sulci) divided into two hemispheres (left and right) which are further divided into four lobes (occipital - parietal - temporal and frontal)






26. A chemical released by one animal that affects the behavior or physiology of another animal; usually smelled or tasted






27. Trigerminal Nerve - face sensation






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






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






30. Projects to ventral tegmental area






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






32. Comprised of the hypothalamus - pituitary gland - thyroid gland - parathyroid - the adrenal cortex - the adrenal medulla - the pancreas - the ovaries/testes - pineal gland.






33. 1. ventral tegmentum to mesolimbic forebrain (cognition - reward systems - emotional behavior) 2. substantia nigra to caudate nucleus putamen (movement and sensory stimulation) 3. hypothalamus to pituitary gland (neuronal/hormonal control)






34. Vestibulocochlear Nerve - hearing and balance






35. Has a calcium-related role and produces the hormone parathyroid






36. Is used to treat Parkinson'S Disease






37. Serotonin = 5-HT -regulation of mood - anxiety - aggression - sleep - appetite - sexuality -rostral and caudal raphe nuclei






38. Eating - sex - aggression - sleep - focus on subcortical and neuroendocrine control of behavior






39. All have similar molecular structure - so many 'dirty' medications






40. A region of the visual association cortex located in the extrastriate cortex at the base of the brain that has special face-recognizing circuits (more important in right hemisphere)






41. Decreasing effects of a medication due to repeated administration






42. Controls sexual activity; lesions inhibit sexual behavior; stimulation increases aggressive sexual behavior






43. Midbrain - medulla and the pons






44. 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)






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






46. Activates one of 5 types of receptors in the CNS - cognition - motor activity - reward - muscle tone - sleep - mood - attention - learning -higher level effects of dopamine = D2






47. AKA the striate cortex - located at the back of the brain - and contains the visual cortex






48. Synchronized EEG activity during its deeper stages






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






50. The visual image of the world on the retina