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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. 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






2. Increases heartrate - dilates/constricts blood vessels - increases blood sugar - produces hormones epinephrine and norepinephrine






3. Involved in the effects of odors/pheromones in reproductive behavior - a nucleus that receives olfactory information from the olfactory bulb and accessory olfactory bulb






4. Facial Nerve - moves face and salivates






5. Include tolerance (possible withdrawal) and sensitivity






6. Damage to this are causes clumsiness and loss of balance






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






8. Bunch of dopaminergic neurons starting in the ventral tegmental area and ending in prefrontal cortex






9. Controls sexual activity






10. 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






11. Consummatory stimulus






12. Occur in amacrine - bipolar and horizontal cells; govern/encompass the opponent-process level of color vision






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






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






15. 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)






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






17. The slowing and eventual cessation of estrous cycles in groups of female animals that are housed together; caused by a pheromone in the animals urine and first observed in mice






18. 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






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






20. Is an oversensitivity to dopamine (D2)






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






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






23. Is a receptor blocker; binds with a receptor but does not activate it - actually prevents the natural ligand from binding with the receptor






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






25. Symptom of narcolepsy; complete paralysis that occurs while AWAKE/conscious; will suddenly fall to floor paralyzed for a few minutes






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






27. Governs eating/drinking (lateral and ventromedial hypothalami) and sexual activity (anterior portion






28. Colored part of the eye






29. Is found between the dura mater and arachnoid mater meninges






30. A behavior that has different forms or occurs with different probabilities or under different circumstances in males than females






31. Skin senses that register the sensations of pressure - warmth and cold






32. 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






33. Midbrain - medulla and the pons






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






35. Caudate nucleus and putamen






36. 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)






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






38. Is found in PTSD/CPTSD patients and persons exposed to chronic stress






39. Expression of traits






40. Acetylcholine - glutamate - gamma-aminobutyric acid - dopamine - serotonin - norepinephrine - endorphin






41. Has neurons for reflexes






42. If a synapse is active at about the same time that a postsynaptic neuron is active - that synapse will be strengthened






43. Receptors whose activation directly affects potassium or chloride ion channels in the neuron - (many drugs of abuse substitute for natural GABA- alcohol - benzos - barbituates






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






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






46. Also known as ABLATION - is any surgically induced brain lesion






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






48. A BEHAVIOR; insistent urge of sleepiness forces us to seek sleep/a bad






49. ...






50. 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