Transcript Step Up To: Psychology

1. Branching fibers extending out from
the cell body to receive information from
other neurons are called:
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A) axons.
B) glial cells.
C) dendrites.
D) axon terminals.
2. ___ wrap(s) many axons,
insulating them and speeding
their impulses.
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A) Sodium ions
B) Myelin
C) Glial cells
D) Potassium ions
3. Neurons that fall below the resting
potential of -70 microvolts is said to
be in what state?
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A) action potential.
B) stimulus threshold.
C) refractory period
D) resting state
4. After neurotransmitters are
released into the synapse, many are
reabsorbed through a process
called:
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A) synaptic transmission.
B) reuptake.
C) all-or-none.
D) reabsorption.
5. The neurotransmitter ___ is
important in memory. Depletion
of it is found in those with
Alzheimer’s
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A) dopamine
B) GABA
C) serotonin
D) acetylcholine
6. The device called a(n) ___ provides
moment-by-moment images of the brain’s
changing activity and is noninvasive.
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A) EEG
B) PET scan
C) MRI
D) fMRI
7. The ___ receives information
from all the senses except smell.
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A) hippocampus
B) amygdala
C) thalamus
D) angular gyrus
8. The ____ is located at the back of the
brain and is responsible for muscle
coordination, posture and equilibrium.
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A) corpus callosum
B) reticular formation
C) pons
D) cerebellum
9. If someone wanted to REALLY lose
weight or gain weight, they should
implant electrodes into this area of the
brain.
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A) reticular formations
B) frontal lobe
C) hypothalamus
D) cerebellum
10. Auditory information is received
and processed in the:
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A) somatosensory cortex.
B) temporal lobe.
C) parietal lobe.
D) frontal lobe.
11. A picture of a dog is briefly flashed in the left visual field of
a split-brain patient. At the same time a picture of a boy is
flashed in the right visual field. In identifying what she saw, the
patient would be most likely to
• A) use her left hand to point to a picture
of a boy.
• B) verbally report that she saw a boy.
• C) verbally report that she saw a dog.
• D) use her left hand to point to a picture
of a boy.
12. The ability of one part of the
brain to take over the function of
another in case of injury is called:
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A) plasticity.
B) neurogenesis.
C) brain reintegration.
D) neural net reformation.
13. After Sam’s stroke, he had
difficulty speaking, but could
understand what others were saying
to him. He likely had damage to:
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A) Wernicke’s Area.
B) Broca’s Area.
C) his Thalamus.
D) his parietal lobe.
14. After a sky-diving accident, Laurie
was unable to make sense of other
people’s speech. It is likely that her
cortex was damaged in:
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A) the sensory area.
B) Broca’s area.
C) the angular gyrus.
D) Wernicke’s area.
15. In a recent car accident, Justin
sustained damage to his right cerebral
hemisphere. This injury is most likely to
reduce his ability to:
• A) tell an angry face from a happy
one.
• B) solve arithmetic problems.
• C) speak clearly.
• D) process information quickly.
16. In order for you to experience the pain
of being stuck with a pin, ___ must first
relay messages from your ankle to your
central nervous system.
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A) the limbic system.
B) interneurons.
C) sensory neurons.
D) the reticular formation.
17. When you’re stressed and your heart
races, perspiration increases and pupils
dilate, the ___ is activated.
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A) somatic nervous system
B) parasympathetic branch
C) sympathetic branch
D) spinal reflex
18. James touched a hot stove. His hand
immediately recoiled before he knew it was
hot. The sequence of this reflex is:
• A) sensory neurons, interneurons,
motor neurons.
• B) sensory neurons, motor neurons,
interneurons.
• C) interneurons, sensory neurons,
motor neurons.
• D) interneurons, motor neurons,
sensory neurons.
19. The ____ system is made up of
glands which secret ___ into the
bloodstream.
• A) peripheral nervous;
antagonists
• B) sympathetic; neurotransmitters
• C) autonomic; action potentials
• D) endocrine; hormones
20. Curare is a poison people use to
paralyze animals when hunting. It is
therefore an ____ which inhibits the
neurotransmitter ____.
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A) antagonist; acetylcholine
B) agonist; dopamine
C) antagonist; serotonin
D) agonist; GABA
21. This device is often used to
diagnose seizure activity by recording
electrical activity of the brain:
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A) CAT scan.
B) EEG.
C) PET scan.
D) MRI.
22. A person with a “split brain” had
surgery to cut the:
• A) frontal lobe.
• B) corpus callosum.
• C) sensory from the motor
strip.
• D) cerebellum from the
cerebral cortex.
23. Morphine or other like substances
attach on to the receiving site of neurons
and block the pain signals. Drugs that do
this mimic these neurotransmitters, which
the brain naturally produces naturally.
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A) Ach
B) Endorphins
C) Dopamine
D) Serotonin
24: Phineas Gage had extensive
damage to his ____ of the brain,
effecting his ____.
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A) frontal lobe; personality
B) right hemisphere; speech
C) left temporal lobe; reasoning
D) cerebellum; coordination
25. Stimulate this area in a cat, and it
will either fear a mouse or become
extremely aggressive.
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A) hippocampus.
B) hypothalamus.
C) amygdala.
D) thalamus.