Missed Questions 1-3

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nmdeasy
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10239
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Missed Questions 1-3
Updated:
2010-03-13 07:15:11
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PSY101 senses neurotransmitters brain nerves missed questions
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Questions missed on assignments for chapters 1-3
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  1. Research has demonstrated a positive correlation between the number of hours of violent television watched and the amount of aggression in children. Based on these findings and what we know about correlational research, we can conclude
    Aggressive children mimic the violence they see on TV
  2. After reading that aerobic exercise increases memory performance in older adults, Hilda wonders if lifting weights would have the same effect.  Hilda has generated a(n)
    Independent variable
  3. A researcher obtained a correlation coefficient of -.65 for the relationship between job satisfaction and experiences of discrimination in the workplace. What does this correlation coefficient mean?
    Discrimination causes decreased job satisfaction
  4. Which correlation indicates the strongest relationship between two variables? -.85, +.10, +.65, 0.0
    +.65
  5. Which of the following is true about the action potential?
    a Its speed is determined by the number of terminal buttons receiving the signal.
    b It is an all-or-nothing response determined by the strength of the signal.
    c It can be slowed down when specific neurotransmitters are released.
    d It becomes larger as the signal strength becomes stronger.
    b
  6. Which of the following correctly outlines the path that sounds take from the inner ear into the brain?
    a. your inner ear converts sound into electrical signals and the auditory nerves carries these signals through the brain stem and into the thalamus
    b. your inner ear converts sound into electrical signals and the auditory nerves carries these signals through Wernicke’s area and into the brain stem
    c. your inner ear converts sound into electrical signals and the auditory nerves carries these signals through Broca’s area and into Wernicke’s area
    d. your inner ear converts sound into electrical signals and the auditory nerves carries these signals through the thalamus and into the parietal lobe
    c
  7. For people who learn a second language later in life, the brain areas involved in vocabulary
    a. Overlap for the first and second language.
    b. Are different from the first and second language.
    c. Are located in different hemispheres in the occipital lobe.
    d. Are located in the same hemisphere in the occipital lobe.
    b
  8. Individuals with attention-deficit hyperactivity disorder (ADHD) find it very difficult to focus their attention on any one thing. They are easily distracted by outside stimuli that most people could easily ignore. This is because people with ADHD have lower levels of activity in their
    a. parietal lobes.
    b. basal ganglia.
    c. frontal lobes.
    d. right hemispheres.
    a
  9. Ari is participating in a research study. The researchers have asked him to complete some math problems; while he does this, the researchers are conducting a positron emission tomography (PET) scan. What is this test doing?
    a. measuring the levels of glucose in various parts of Ari’s brain
    b. compiling a series of X-rays of Ari’s brain into a three-dimensional image
    c. measuring the levels of oxygenated blood in various parts of Ari’s brain
    d. recording the electrical activity in Ari’s brain
    d
  10. You are walking to school when you encounter a strange barking dog. You tense up and contemplate whether you should run away. Which nervous system is responsible for this "fight or flight" reaction?
    a. Efferent
    b. Sympathetic
    c. Parasympathetic
    d. Somatic
    c
  11. Sensory information does/does not take place in any single brain region
    does not
  12. Later that night, Sally's Mom asked her to describe her roommate. In order to remember her roommate, Sally's brain
    a. accessed a memory of Alex that was stored at the time of their meeting.
    b. generated separate mental images of Alex's appearance, voice, and so forth, then fused these
    images together into a single memory.
    c. tried to re-create the pattern of neural activity that had first allowed Sally to perceive Alex when they met.
    d. sent a neural signal to Sally's mouth instructing her to say, "Well, like you know, she's like pretty cool."
    generated separate mental images of Alex's appearance, voice, and so forth, then fused these images together into a single memory.
  13. Your best friend, Marc, leaves you a voice mail, asking if he can change the restaurant where you had agreed to meet him for dinner.  Just as he mentions the new place where he wants to eat, his voice is obscured by a loud conversation going on in the background.  It sounded like Marc said Antonio’s, a restaurant that you eat at frequently with Marc.  So, you go to Antonio’s and sure enough Marc is there waiting for you.: This situation illustrates
    Top down. You are not processing the bits of sound (as you couldn't hear it) but rather using on prior information to place meaning
  14. Your best friend, Marc, leaves you a voice mail, asking if he can change the restaurant where you had agreed to meet him for dinner.  Just as he mentions the new place where he wants to eat, his voice is obscured by a loud conversation going on in the background.  It sounded like Marc said Antonio’s, a restaurant that you eat at frequently with Marc.  So, you go to Antonio’s and sure enough Marc is there waiting for you. This situation illustrates
    Bottom-up processing
  15. A person who has lost their sense of vision can still recognize people by their voices.  Such a person uses
    a. Top-down processes to recognize people.
    b. Bottom-up processes to recognize people.
    c. Neither top-down nor bottom-up processes to recognize people.
    d. Both top-down and bottom-up processes to recognize people.
    Both
  16. When held at arm's length, will you need a beach ball, a salad plate, or a pea to cover the moon on the horizon?
    Pea
  17. The retina is a two-dimensional surface and therefore can represent visual stimuli in only two dimensions. Which two dimensions does the retina easily represent?
    a. Height and width.
    b. Height and depth.
    c. Depth and width.
    d. It can represent any two of the three dimensions, depending on the environment.
    d

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