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Brain And Behavior Exam 2

63 Questions
Brain Quizzes & Trivia

This is questions over chapter 4-6 and also includes some practice questions you can take the quiz as much as you like. . . Good luck

Questions and Answers
  • 1. 
    Which of the following is a pure compound derived from poppies?
    • A. 

      Opium

    • B. 

      Dynorphin

    • C. 

      Enkephalin

    • D. 

      Morphine

  • 2. 
    If a newly developed drug is found to bind to dopamine receptors but does not activate them, the drug is classified as a(n)
    • A. 

      Antagonist

    • B. 

      Ligand

    • C. 

      Prototype

    • D. 

      Agonist

  • 3. 
    A major site of origin of projections using the transmitter norepinephrine is the
    • A. 

      Locus coeruleus

    • B. 

      Raphe nucleus

    • C. 

      Basal forebrain

    • D. 

      Substantia nigra

  • 4. 
    Steroid hormones typically exert their effects by
    • A. 

      Activating second messengers

    • B. 

      Directly releasing synaptic transmitters

    • C. 

      Altering ion permeability of cells

    • D. 

      Binding to intracellular receptors

  • 5. 
    The posterior pituitary
    • A. 

      Contains the cell bodies of oxytocin neurosecretory cells

    • B. 

      Contains the axon terminals of vasopressin neurosecretory cells

    • C. 

      Releases its horomones into the hypothalamic-pituitary portal system

    • D. 

      Is regulated by releasing factors from the hypothalamus

  • 6. 
    Which of the following are two names for classes of hormones
    • A. 

      Lipophilic and lipotropic

    • B. 

      Protein and steroid

    • C. 

      Transcriptional and translational

    • D. 

      Iontropic and Metabotropic

  • 7. 
    Which of the follwoing hominids emerged first in the course of evolution?
    • A. 

      Homo habilis

    • B. 

      Australopithecus

    • C. 

      Homo sapiens

    • D. 

      Homo erectus

  • 8. 
    Increasing the expression of the gene for B- catenin in transgenic mice produces which of the following?
    • A. 

      Smooth cortex

    • B. 

      Highly folded cortex

    • C. 

      Increase in size of frontal cortex

    • D. 

      Decrease in size of frontal cortex

  • 9. 
    The streamlined body forms of the tuna and the dolphin provide an example of
    • A. 

      Analogy

    • B. 

      Homology

    • C. 

      Homoplasy

    • D. 

      Tautology

  • 10. 
    Phencyclidine (PCP) acts on receptors that normally respond to the neurotransmitter
    • A. 

      Acetylcholine

    • B. 

      Dopamine

    • C. 

      Glutamate

    • D. 

      Serotonin

  • 11. 
    The discovery that the brain contains specific receptors for manufactured opiate drugs, such as morphine, implies that the body must make an______ substance to interact with the same receptors
    • A. 

      Exogenous

    • B. 

      Endogenous

    • C. 

      Excitatory

    • D. 

      Extemporaneous

  • 12. 
    The first endogenous opiates to be discovered were the
    • A. 

      Amphetamines

    • B. 

      Cannabinoids

    • C. 

      Endorphins

    • D. 

      Enkephalins

  • 13. 
    What is the appropriate technique for visualizing the location of receptors within cells?
    • A. 

      Immunocytochemistry

    • B. 

      Radioimmunoassay

    • C. 

      Up-regulation

    • D. 

      Down- regulation

  • 14. 
    Hormonal messages can be generally described as
    • A. 

      Digital

    • B. 

      All-or-none

    • C. 

      Analog

    • D. 

      High-threshold responses

  • 15. 
    Steroid hormones are derived from
    • A. 

      Protein

    • B. 

      Thiamine

    • C. 

      Cholesterol

    • D. 

      Acetylcholine

  • 16. 
    The current system that is used for classifying animals were originated by
    • A. 

      Carolus Linnaeus

    • B. 

      Alfred Russel Wallace

    • C. 

      Charles Darwin

    • D. 

      Jean-Baptiste de Lamarck

  • 17. 
    On a graph in which brain weight is related to body weight using log scales, the line that best describes the relatioship in mammals has a slop of about
    • A. 

      0.5

    • B. 

      0.6

    • C. 

      0.7

    • D. 

      0.8

  • 18. 
    The brain of the modern chimpanzee is about the same size as the brain of
    • A. 

      Australopithecus

    • B. 

      Homo habilis

    • C. 

      Homo erectus

    • D. 

      None of the above

  • 19. 
    Which fo the following is not part of the amine subtype of small-moeluce neurotransmitters?
    • A. 

      Norepinephrine

    • B. 

      Serotonin

    • C. 

      Dopamine

    • D. 

      Glycine

  • 20. 
    If a newly developed drug is found to bind to serotonin receptors and activate them, the drug is classified as
    • A. 

      An agonist

    • B. 

      An antagonist

    • C. 

      A prototype

    • D. 

      A ligand

  • 21. 
    Down-regualtion is the process by which?
    • A. 

      An excessive amount of a drug is avaliable to the recptor over a period of time, causing an increase in the receptor sites that can be counted

    • B. 

      There is an increase in the effectiveness of endogenous neurotransmitters

    • C. 

      An excessive number of transmitter molecules are available to the receptor over a period of time, causing a decrease in the receptor sites that can be counted

    • D. 

      There is a decrease in thea mount of drug necessary for regulation of normal functioning

  • 22. 
    Which of the following structures does not contain cholinergic nerve cell bodies and projections?
    • A. 

      Nucleus basalis

    • B. 

      Raphe nucleus

    • C. 

      Pedunculopntine nucleus

    • D. 

      Medial spetal nucleus

  • 23. 
    The dose at which a drug has a half-maximal reponse is termed the
    • A. 

      LD 50

    • B. 

      ED 50

    • C. 

      Therapeutic dose

    • D. 

      Saturated dose

  • 24. 
    As a consequence of repeated use of drug, larger and larger doses of the drug may be nencessary in order to achieve the same effect. This is a consequence of the development of
    • A. 

      Tolerance

    • B. 

      Sensitization

    • C. 

      Withdrawal

    • D. 

      Cross-tolerance

  • 25. 
    A major site of origin of projections using the neurotransmitter dopamine is the
    • A. 

      Raphe nucleus

    • B. 

      Locus coeruleus

    • C. 

      Substantia nigra

    • D. 

      Basal forebrain

  • 26. 
    Drugs that are effective in reducing the symptoms of schizophrenia are known as
    • A. 

      Neuroleptics

    • B. 

      Tricyclics

    • C. 

      Anxiolytics

    • D. 

      Sedatives

  • 27. 
    Which of the following is not an opioid peptide?
    • A. 

      Dynorphin A

    • B. 

      CCK

    • C. 

      B- enorphin

    • D. 

      Met-enkephalin

  • 28. 
    Which type of tolerance may result in a change in the number of receptors present in the cell membrane?
    • A. 

      Therapeutic tolerance

    • B. 

      Functional tolerance

    • C. 

      Metabolic tolerance

    • D. 

      Cross tolerance

  • 29. 
    Which of the following substance competes with the neuromodulator adenosine?
    • A. 

      Nicotine

    • B. 

      Caffeine

    • C. 

      Colchicine

    • D. 

      Tetanus toxin

  • 30. 
    The anxiolyitc drug Valium belongs to the class of drugs known as
    • A. 

      Barbiturates

    • B. 

      Selective serotonin reuptake inhibitors

    • C. 

      MAO inhibitors

    • D. 

      Benzodiazepines

  • 31. 
    If a cell releases a hormone that affects the cell next to it, the hormone is said to act in____ fashion
    • A. 

      Paracrine

    • B. 

      Endocrine

    • C. 

      Exocrine

    • D. 

      Autocrine

  • 32. 
    Releasing hormones are produced in the
    • A. 

      Pituitary

    • B. 

      Testes

    • C. 

      Hypothalamus

    • D. 

      Adrenal glands

  • 33. 
    Cushing's syndrome has shown to be a result of
    • A. 

      Pancreas dysfunction

    • B. 

      Long-term excess of glucocorticoids

    • C. 

      Pineal dysfunction

    • D. 

      Long-term excess of testosterone

  • 34. 
    Based on what we know about meadow volves (i.e, they do not form pair-bonds and they have multiple mating partners), which peptide hormone receptor would you expect to show decreased levels in promiscuous human males in comparison to monogamous human males?
    • A. 

      Prolactin

    • B. 

      Oxytocin

    • C. 

      Melatonin

    • D. 

      Vasopressin

  • 35. 
    Which of the following is not an anterior pituitary hormone?
    • A. 

      LH

    • B. 

      Prolactin

    • C. 

      ACTH

    • D. 

      GnRH

  • 36. 
    Neurosecretory cells of the hypothalamus release_____ into the bloodstream
    • A. 

      Peptides

    • B. 

      Proteins

    • C. 

      Hormones

    • D. 

      Neurotransmitters

  • 37. 
    Which of the following kinds of interaction is responsible for the effect of testosterone on excitability of the brain?
    • A. 

      Neural to neural

    • B. 

      Neural to endocrine

    • C. 

      Endocrine to endocrine

    • D. 

      Endocrine to neural

  • 38. 
    In general, steroid hormones from the peripheral organs______ the release of hormones from the pituitary through the process of ______ feedback.
    • A. 

      Inhibit; positive

    • B. 

      Enhance; negative

    • C. 

      Inhibit; negative

    • D. 

      Enhance; positive

  • 39. 
    Urine formation is inhibitd by
    • A. 

      Vasopressin

    • B. 

      ADH

    • C. 

      AVP

    • D. 

      All of the above

  • 40. 
    The adrenal medulla releases its hormones in response to
    • A. 

      Sympathetic nervous activity

    • B. 

      ACTH

    • C. 

      Parasympathetic nervous activity

    • D. 

      Thalamic stimuli

  • 41. 
    Melatonin is released almost exclusively
    • A. 

      At night

    • B. 

      During breeding

    • C. 

      During feeding

    • D. 

      During the day

  • 42. 
    ________ hormones affect the secretion of endocrine glands.
    • A. 

      Endocrine

    • B. 

      Releasing

    • C. 

      Posterior pituitary

    • D. 

      Tropic

  • 43. 
    A hormone that is normally found only in females is
    • A. 

      Estrogen

    • B. 

      FSH

    • C. 

      Androstenedione

    • D. 

      None of the above

  • 44. 
    The appropriate technique for measuring the concentration of a hormone in a sample of blood is
    • A. 

      Radioimmunoassay

    • B. 

      Immunocytochemistry

    • C. 

      Hormone replacement technique

    • D. 

      Autoradiography

  • 45. 
    Which hormone is responsible for the contractions of the uterus during childbirth?
    • A. 

      Follicle-stimulating hormone

    • B. 

      Prolactin

    • C. 

      Oxytocin

    • D. 

      Progesterone

  • 46. 
    Compared to other species, the _______ has the closest genetic endowment of that of humans.
    • A. 

      Bonobo

    • B. 

      Common gibbon

    • C. 

      Orangutan

    • D. 

      Commom chimpanzee

  • 47. 
    Which of the following is lacking in the lamprey brain?
    • A. 

      Midbrain

    • B. 

      Diencephalon

    • C. 

      Telencephalon

    • D. 

      None of the above?

  • 48. 
    On logarithmic scales, the size of each mammalian brain structure, with the exception of the ____________, correlates 0.96 or higher with total brain size
    • A. 

      Cerebellum

    • B. 

      Olfactory bulbs

    • C. 

      Neocortex

    • D. 

      Hippocampus

  • 49. 
    Evolution of the brain and increased behavioral capacity advanced rapidly during the time of
    • A. 

      Homo erectus

    • B. 

      Australopithecus

    • C. 

      Homo habilis

    • D. 

      Homo sapiens

  • 50. 
    The core of the invertebrate ganglion is called the
    • A. 

      Inner neural matrix

    • B. 

      Neural ladder

    • C. 

      Neuropil

    • D. 

      Dendritic field

  • 51. 
    The difference in DNA between humans and chimpanzees amounts to
    • A. 

      1.60%

    • B. 

      7%

    • C. 

      12%

    • D. 

      2.30%

  • 52. 
    The corpus_______ appears to be especially well developed in the nervous system of social insects as compared to solitary species
    • A. 

      Luteum

    • B. 

      Pedunculatum

    • C. 

      Striatum

    • D. 

      Callosum

  • 53. 
    Of the following classifications, which is the most inclusive?
    • A. 

      Kingdom

    • B. 

      Family

    • C. 

      Phylum

    • D. 

      Class

  • 54. 
    The _______ is relatively larger in the rat brain than in the human brain.
    • A. 

      Midbrain

    • B. 

      Cerebellum

    • C. 

      Olfactory bulb

    • D. 

      Both a and c

  • 55. 
    According to the principle of _________ selection, members of each sex exert selective pressure on members of the other sex in terms of both anatomical and behaviroal features that favors reproductive success
    • A. 

      Sexual

    • B. 

      Reproductive

    • C. 

      Natural

    • D. 

      Social

  • 56. 
    It is believed that the migration across the Berling Strait to the Americas occurred_________ years ago
    • A. 

      45,000 to 35,000

    • B. 

      20,000 to 15,000

    • C. 

      80,000 to 60,000

    • D. 

      60,000 to 40,000

  • 57. 
    The human and the ______ have a very similar brain weight as a percentage of body weight
    • A. 

      Mouse

    • B. 

      Elephant

    • C. 

      Rat

    • D. 

      Chimpanzee

  • 58. 
    Which of the followign is not one of the main fetures of the vertebrate nervous system?
    • A. 

      Giant axons

    • B. 

      Bilateral symmetry

    • C. 

      Segmentation

    • D. 

      Development from a hollow neural tube

  • 59. 
    A mouse has about the same ratio of brain weight to body weight as
    • A. 

      A whale

    • B. 

      An ant

    • C. 

      A cat

    • D. 

      A human

  • 60. 
    Which of the following is a prominent difference between the brains of humans and those of chimpanzees?
    • A. 

      The enlargment of the left parietal cortex in chimpanzees

    • B. 

      The relative size of the limbic system

    • C. 

      The relative size of the cerebellum

    • D. 

      The larger motor and sensory cortical areas devoted to the hands in humans

  • 61. 
    The destructive effect of alcohol on neurons is probably mediated by_____ which is (are) one of alcohol's breakdown products.
    • A. 

      Allopregnanolone

    • B. 

      Ketones

    • C. 

      Aldehydes

    • D. 

      Kainate

  • 62. 
    Which of the following types of drugs may be helpful in preventing excitotoxicity associated with stroke or trauma and resulting in excessive glutamate release?
    • A. 

      Amphetamine

    • B. 

      Morphine

    • C. 

      Nicotine

    • D. 

      PCP

  • 63. 
    Which of the following neurotransmitters, by acting as a retrograde messenger, has a role in maintaining smooth muscle relaxation, increasing blood flow to the penis, and therby maintaining erection?
    • A. 

      NO

    • B. 

      Acetylcholine

    • C. 

      NE

    • D. 

      5-HT