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Psy 290 Exam UPDATED ACTUAL Questions and CORRECT Answers

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Psy 290 Exam UPDATED ACTUAL
Questions and CORRECT Answers
Patients like patient H.M. can learn to read mirror-reversed text even though they don't
remember practicing it, which demonstrates that their problem is not in learning verbal
material, but instead is in
a. confabulation.
b. long term memory.
c. forming new nondeclarative memories.

d. forming new declarative memories. - CORRECT ANSWER✔✔- d. forming new
declarative memories.

Dendrites are
a. a type of glial cell.
b. the input zone of a nerve cell.
c. the conduction zone of a nerve cell.

d. small interneurons. - CORRECT ANSWER✔✔- b. the input zone of a nerve cell

The gaps between segments of myelin are known as
a. synaptic clefts.
b. neural nodes.
c. nodes of Ranvier.

d. neuromuscular junctions. - CORRECT ANSWER✔✔- c. nodes of Ranvier.

Neurons receive information from other neurons at the _______ zone through cellular
extensions called _______.
a. integration; hillock
b. input; dendrites
c. conduction; axon

d. output; terminal - CORRECT ANSWER✔✔- b. input; dendrites

,Which glial cells interact with blood vessels?
a. Oligodendrocytes
b. Astrocytes
c. Microglial cells

d. Stellate cells - CORRECT ANSWER✔✔- b. Astrocytes

The _______ is the main source of communication between the left and the right
hemispheres.
a. cortex
b. basal ganglia
c. cerebellum

d. corpus callosum - CORRECT ANSWER✔✔- d. corpus callosum

In the developing fetus, the telencephalon becomes the
a. cortex.
b. midbrain.
c. hypothalamus.

d. spinal cord. - CORRECT ANSWER✔✔- a. cortex.

Which of the following is/are used to make CT scan images?
a. X-rays
b. Magnetism
c. Radio-frequency emissions

d. Radioactive particle emissions - CORRECT ANSWER✔✔- a. X-rays

MRI makes use of _______ waves and _______ fields to form images of the structure of the
living brain.
a. sound; magnetic
b. light; electric
c. radio; magnetic

d. gamma; electric - CORRECT ANSWER✔✔- c. radio; magnetic

,_______ was a pioneer in mapping the brain through electric stimulation.
a. Hughlings Jackson
b. Marco Delgado
c. Wilder Penfield

d. Eric Kandel - CORRECT ANSWER✔✔- wilder penfield

What kind of electromagnetic radiation is emitted in a PET scan?
a. gamma rays
b. x-rays
c. microwaves

d. radiowaves - CORRECT ANSWER✔✔- gamma rays

In studying brain-damaged patients exhibiting speech difficulties, Paul Broca discovered that
a particular region in the _______ part of the brain appears to be especially important.
a. right
b. top
c. left

d. bottom - CORRECT ANSWER✔✔- left

Many modern neuroscientists are interested in the idea of _______ synapses, which may
change in strength through use.
a. Lashley
b. Hebbian
c. electrical

d. methylated - CORRECT ANSWER✔✔- hebbian

The notion of dualism as proposed by Descartes stated that
a. the mind and the brain are one and the same.
b. humans have a nonmaterial soul and a material body that are not the same.
c. humans have a nonmaterial soul and a material body that are one and the same.

, d. science and the church are one and the same. - CORRECT ANSWER✔✔- b. humans have
a nonmaterial soul and a material body that are not the same.

If I was to say that you were "kindhearted" I would be echoing this ancient notion
a. the brain hypothesis.
b. the neuron doctrine.
c. trephening.

d. the cardiac hypothesis. - CORRECT ANSWER✔✔- d. the cardiac hypothesis.

Explain how PET scans differ from CT scans. What are they useful for? - CORRECT
ANSWER✔✔- CT or CAT is an abbreviation for computerized axial tomography. These
scans provide medium-resolution images of the living brain by sequential X-rays of the brain
taken in an arc around the head. The many individual X-ray images are then mathematically
combined to provide an anatomical map of the brain. They are useful for visualizing strokes,
tumors, or cortical shrinkage. Positron emission tomography, or PET scans provide maps of
brain activity during a behavioral task. Radioactively labeled substances such as glucose are
injected into the bloodstream while a person engages in a cognitive task. As the most active
brain regions selectively take up the radioactive glucose, PET provides a moment-to-moment
color-coded map of brain activity. Oncology is one example for PET.

4 Points - Need to know the difference between them. Similar processes both are using the
same acquisition tomography (1). CT has an X-ray source that is moved around the patient
(1), PET the signal comes from within you in the form of gamma rays emitted from the
annihilation of a positron and an electron (1). Name something they are useful for (0.5 point
for 1 from each method)

What are glial cells? Name the four types of glial cells and describe a function for each one -
CORRECT ANSWER✔✔- Glial cells assist neuronal activity by providing raw materials,
chemical signals, and structure. The four types of glial cells mentioned in class and the book
are Oligodendrocytes - which myelinate the CNS neurons, Schwann Cells which myelinate
the PNS, Astrocytes that control the local blood flow to increase the amount of blood
reaching more-active brain regions, and microglial cells, primary job is to contain and clean
up debris.

4 Points - One point for each glial cell correct.

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