EXAM 2PSY200FORM AFALL2013
1. When Dr. Lynch is attempting to describe a postsynaptic neuron, she is essentially talking about a neuron that is
a.unmyelinatedc. receiving input from another neuron
b. sending messages to another neuron d. myelinated
2. A neuron’s action potential is most like a person
a. firing a gunc. driving a car
b. running down the roadd. playing basketball
3. When we constructed a neuron in class, the part that used the most people to represent it was the ______and bundles of these are what we call “nerves”.
a. axonb. dendritec. somad. synapse
4. Prozac inhibits the reuptake of the neurotransmitter serotonin. When you take Prozac, the effect of this drug will be to
a. prevent the absorption of serotonin in the post-synaptic neuron
b. reduce the action of serotonin in the brain
c. prevent the release of serotonin in the synapses of the brain
d. increase the time serotonin spends in the synapses of the brain
5. Motor neurons are to _____, as sensory neurons are to _____.
a.excitatory; inhibitoryc. inhibitory; excitatory
b. inward; outwardd. efferent; afferent
6. People who do not have sufficient acetylcholine in the brain are likely to experience
a. depression and anxiety
b. elevated mood and reductions in pain sensation
c. uncontrollable tremors and difficulty with initiating movements
d. difficulty with learning and memory
7. As a student, you require special abilities, such as analytical thinking and the use of language to be successful. Because of this, which area of the brain do you need most of all, i.e. “don’t leave home without”, as Mike Gazzaniga said in the Alan Alda film?
a.occipital lobec. right hemisphere
b. left hemisphered. limbic system
8. If you had a lesion in the hypothalamus it might affect all BUT which of the following responses/behaviors?
a.eatingc. memory
b. thirst d. sexual behavior
9. What part of the cortex handles the complex functions that are unique to humans?
a.occipitalc. brain stem
b. frontald. temporal
10. Kai was driving in his car when a tractor-trailer pulled out in front of him and almost caused an accident. Which branch of Kai’s nervous system would be most responsible for Kai’s rapid response during this crisis?
a.centralc. parasympathetic
b. sympatheticd. reflex arc
11. A drunken person’s staggering is most likely due to sedation of which hindbrain structure?
a.reticular activating system (RAS)
b. medulla
c. cerebellum
d. midbrain
12. What is the relationship between shared environments and siblings?
a. Dizygotic twins have the same environment
b. Monozygotic twins have the same environment
c. Different age siblings share the same environment as do all twins
d. No siblings share the same environment
13. A genotype is to a phenotype as a:
a.architect is to a blueprintc. cake is to a recipe
b. blueprint is to a building sited. blueprint is to a building
14. Our perception of the world is most like a:
a. digital camera that takes snapshots
b. cell phone camera that takes movies without sound
c. video camera that takes movies with sound
d. film that has been edited to convey a theme
15. During transduction, most sensory information is transmitted first to the _____ before it is sent to the _____, where it is interpreted as sight, sound, touch, or taste.
a. thalamus; cortexc. thalamus; amygdala
b. cortex; thalamusd. amygdala; cortex
16. Jason is doing a psychology experiment in which he is seated in an absolutely dark room. An initially undetected point of light in front of him is gradually made more intense. With each increase, he is asked if he can see the light. In this experiment, Jason’s _____ is being measured.
a. difference thresholdc. just noticeable difference
b. absolute thresholdd. psychophysical limit
17. People stop responding to unchanging stimuli because:
a. unchanging stimuli convey little information
b. such stimuli can no longer be detected
c. the stimuli exceed people’s attentional capacity
d. people’s resources are needed elsewhere
18. Supertasters are those who experience especially intense taste sensations. In class, people experienced the PTC papers differently. Both these examples indicate that gustation is greatly influenced by:
a. the environmentc. genetics
b. one’s cultured. taste preferencess
19. Ouch! A paper cut! The sharp sting travels along _____ pain fibers, which are _____.
a. slow; unmyelinatedc. fast; unmyelinated
b. slow; myelinatedd. fast; myelinated
20.Dogs can hear higher-frequency sounds than people can. This fact suggests that there is an anatomical difference in the:
a. ear drum
b. auditory nerve
c. cochlea
d. basilar membrane
21. Encharta is sitting outside, looking at her beautiful garden. As the sun goes down and it gets increasingly darker, the colors become less bright and finally all become shades of gray. This change happens because the:
a. amount of photopigment is decreasing
b. cones are taking over for the rods
c. amount of photopigment is increasing
d. rods are taking over for the cones
22. Susan is wearing a bright red skirt. She is trying to decide whether she wants to wear a pink top or a brown top with it. If she decides on the pink top, then the top and the skirt will vary in _____. If she decides on the brown top, then the top and the skirt will vary in _____.
a. hue; saturationc. brightness; hue
b. hue; brightnessd. saturation; hue
23. As Devin runs to catch the quarterback’s throw, he automatically checks the position of his arms and hands and adjusts them to the path of the ball. Which sense allows him to position his hands and arms so well?
a. kinestheticc. olfactory
b. vestibulard. visual
24. If you become nauseous while driving down a curvy mountain road, this uncomfortable feeling is due to:
a. the feedback receptors of her kinesthetic system getting overloaded
b. conflicting signals from the visual and vestibular systems
c. conflicting signals from the visual and kinesthetic systems
d. the feedback receptors of her vestibular system getting overloaded
25. If you close one eye, you will still be able to use _____ as a depth cue, but you will not be able to use _____ as a depth cue.
a. linear perspective; occlusionc. convergence; motion parallax
b. texture gradients; disparityd. disparity; linear perspective
26. Illusions such as the Ames room are illustrations of the way in which _____ influences perception.
a. a Gestalt monocular cuec. bottom up processing
b. top down processingd. retinal disparity
27.Rayand Annie experience the same stimulus, a picture, but have very different subjective interpretations of it. This is an example of which of the following aspects of consciousness?
a. unconscious processingc. conscious processing
b. neural workspaced. qualia
28.It has gotten dark, and soon the whole family is feeling tired. This shared experience occurs because everyone has:
a. had a lot of exercise that day
b. participated in a chain reaction of yawning
c. increased their melatonin production over the course of the day
d. increased their serotonin levels over the course of the day
29. Jane asks a psychoanalytic psychologist to explain a dream she had and considers to be very strange. She hopes to get at the dream's:
a. manifest contentc. latent content
b. REM frequenciesd. activation- synthesis
30.Why do humans sleep at night instead of during the day?
a. There is the most danger at night, when we cannot see well.
b. There is the least danger at night, so we are safe to sleep.
c. Our bodies, particularly our eyes, are not capable of functioning properly at night.
d. There is no reason; it just became habitual in humans.
31. Which of the following is likely the most common cause of insomnia?
a. narcolepsyc. disrupted sleep cycles
b. worrying about sleepd. altered theta waves
32.Dreams occurring during REM sleep are _____; dreams occurring during non-REM sleep are _____.
a.dull and mundane; bizarre and highly emotional
b.bizarre and highly emotional; dull and mundane
c.likely to include visual hallucinations and illogical content; likely to include auditory hallucinations
d.likely to include auditory hallucinations and loss of time and space; likely to include visual hallucinations and illogical content
33.Jim is supposed to drive his children to school, but he is thinking about a big project at work. He drives directly to work, rather than dropping the children off at school first. This behavior suggests that:
a. driving has become an automated behavior for Jim
b. Jim is unable to concentrate on two things at once
c. Jim is likely very tired
d thinking about the project interfered with Jim’s driving ability
34.Marijuana has been known to produce memory effects in long-time users. This result is most likely due to the altering of a large percentage of _____ receptors in the _____ of the brain.
a. seratonine; frontal lobec. ACTH; frontal lobe
b. cannabinoid; hippocampusd. dopamine; hippocampus
35.Like methamphetamine, _____ increases the concentration of dopamine in the synapse but does not cause as sustained effect as meth.
a. cocainec. MDMA
b. alcohold. heroin
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