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






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






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






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






5. 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






6. Olfactory Nerve - smell






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






8. An ovary or teste






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






10. Sign






11. Hormones that reduce pain






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






13. Midbrain - medulla and the pons






14. Reduces anxiety - released with NE in amygdala - hippocampus - basal ganglia - periaqueductal gray region - locus coeruleus and PFS; NPY is diminished in persons with PTSD/CPTSD and those exposed to chronic stress






15. Causes mesolimbic dopamine hyperactivity; etiology of schizophrenia






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






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






18. Is a loss of dopamine cells in the substantia nigra of the basal ganglia; these cells are usually dark (nigra) but in Parkinson'S - the substantia nigra appears white due to cell death

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






20. These two brain structures contain entry/exits for most of the cranial nerves and control vital functions (heart rate -digestion - respiration)






21. 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






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






23. A drug that opposes/inhibits the effects of a particular neurotransmitter on the postsynaptic cell






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






25. Occurs when a neuron is hyperpolarized and characterized by sufficient strength of stimulation triggering a new action potential






26. Is everything anterior to the central sulcus






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






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






29. Part of a glial cell that wraps around the axon of a neuron - providing insulation that facilitates speed of propagation of action potential






30. The synchronization of the menstrual or estrous cycles of a group of females - which occurs only in the presence of a pheromone in a male'S urine






31. Transparent substance between lens and retina






32. 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






33. Physiologically different from the other four stages of sleep (i.e. the similarity between the summed electrical activity of neurons measured on the scalp (EEG) during REM sleep and during wakefulness






34. Symptom of narcolepsy - irresistible urge to






35. 3 layers of tissues that cover and protect CNS; dura mater (outermost layer) - arachnoid mater (middle layer) - Pia mater (innermost layer)






36. Strip of limbic cortex lying along the lateral walls of the groove separating the cerebral hemispheres - just above the corpus callosum






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






38. Glandular system control center - produces the hormones oxytocin and antidiuretic; functions in both the nervous system and endocrine sytem - In the forebrain - regulates motivated behaviors (eating - drinking - aggression - sexual behavior






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






40. Is characteristic of indirect antagonists






41. The midbrain; a region that surrounds the cerebral aqueduct; includes tectum and the tegmentum






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






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






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






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






46. Readiness with which molecules/drugs/medications join together; varies widely from medication to medication






47. 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






48. 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)






49. Expression of traits






50. The restorative effect of introducing a new female sex partner to a male that has apparently become 'exhausted' by sexual activity