Chapter 4: The Central Nervous System (Grivas)
Unit 3 exam prep.
- 1.Which of the four lobes primarily receives and processes information from the body senses?
- A.
Occipital
- B.
Frontal
- C.
Parietal
- D.
Temporal
- 2.The main advantage of SPECT when compared with PET is that
- A.
SPECT only provides information about brain function, whereas PET only provides information about brain structure.
- B.
SPECT only provides information about brain structure, whereas PET only provides information about brain function.
- C.
SPECT provides three-dimensional brain images, whereas a PET only provides two-dimensional images.
- D.
SPECT uses a longer-lasting radioactive tracer than does PET.
- 3.Broca’s area is located closest to the ______ cortex.
- A.
Auditory
- B.
Motor
- C.
Somatosensory
- D.
Visual
- 4.The outer layer of neural tissue covering the human brain is called the
- A.
Corpus callosum
- B.
Cerebral cortex
- C.
Primary cortex
- D.
Association cortex
- 5.Which of the following statements about hemispheric function is correct?
- A.
The left and right hemispheres control voluntary movements on both sides of the body and receive sensory information from both sides of the body.
- B.
The left and right hemispheres exchange and process sensory information before deciding which side of the body requires control of voluntary movements.
- C.
The right hemisphere controls voluntary movements on the right side of the body and receives sensory information from the right side of the body.
- D.
The left hemisphere controls voluntary movements on the right side of the body and receives sensory information from the right side of the body.
- 6.The thalamus
- A.
Receives and filters information from the cerebral cortex and transmits it to lower brain structures.
- B.
Receives and filters information from all the major senses and transmits it to the cerebral cortex.
- C.
Connects the left and right cerebral hemispheres.
- D.
Coordinates the activities of brain areas involved in speech production and comprehension.
- 7.A major function of the spinal cord is to
- A.
Connect the brain and peripheral nervous system.
- B.
Protect the vertebrae.
- C.
Enable sensory neurons to connect directly with motor neurons.
- D.
Initiate voluntary muscle movements.
- 8.A distinction between motor neurons and sensory neurons is that
- A.
Motor neurons send messages to the sensory receptor cells, whereas sensory neurons send messages from the sensory receptor cells.
- B.
Motor neurons send messages to muscles and glands in the peripheral nervous system, whereas sensory neurons send messages from the somatosensory cortex.
- C.
Motor neurons carry information away from the central nervous system, whereas sensory neurons carry information to the central nervous system.
- D.
Motor neurons connect to interneurons, whereas sensory neurons do not.
- 9.Which of the four lobes is primarily involved in vision?
- A.
Occipital
- B.
Frontal
- C.
Parietal
- D.
Temporal
- 10.The primary motor cortex controls
- A.
Voluntary movements of skeletal muscles.
- B.
Involuntary movements of skeletal muscles.
- C.
The amount of cortex that is sensitive to movement.
- D.
The sensitivity of body parts.
- 11.A neurosurgeon electrically stimulated parts of a patient’s primary somatosensory cortex. If the patient was conscious during the procedure, which of the following was probably experienced?
- A.
‘hearing’ faint sounds
- B.
‘seeing’ random visual patterns
- C.
Movement of one or more of the larger body parts
- D.
A sense of having the skin touched
- 12.Which of the four lobes receives and processes auditory information?
- A.
Occipital
- B.
Frontal
- C.
Parietal
- D.
Temporal
- 13.Research has found that the amount of primary motor cortex devoted to specific body parts reflects the
- A.
Degree of stimulation of the body parts.
- B.
Degree of precise control required by each of the parts.
- C.
Sensitivity of the sensory receptors controlling the body parts.
- D.
Sensitivity of the body parts.
- 14.Which of the following tasks is considered to be a specialisation of the right cerebral hemisphere?
- A.
Reading a novel
- B.
Following the directions in a recipe
- C.
Finding one’s way around a maze
- D.
Logical reasoning
- 15.For change blindness to occur, the change in the visual scene has to occur when
- A.
Change is expected.
- B.
There is a visual disruption.
- C.
Change is unexpected.
- D.
There is a conscious sense that change is occurring.
- 16.Which of the following brain study techniques would provide the most precise information on brain function?
- A.
F MRI
- B.
EEG
- C.
MRI
- D.
CT
- 17.Which is the largest of the four cortical lobes?
- A.
Frontal
- B.
Temporal
- C.
Occipital
- D.
Parietal
- 18.Which of the following statements about spatial neglect is not correct?
- A.
Spatial neglect is a disorder involving attention.
- B.
Spatial neglect has many types of subtypes.
- C.
Spatial neglect usually involves neglect of the right side.
- D.
Spatial neglect is most commonly associated with damage to the right parietal lobe.
- 19.You have an itchy leg, so you scratch it. The sensation of the itch is processed by the ______, whereas the scratching movements are controlled by the ______.
- A.
Frontal lobe; parietal lobe
- B.
Parietal lobe; frontal lobe
- C.
Primary motor cortex; primary somatosensory cortex
- D.
Primary somatosensory cortex; primary motor cortex
- 20.Which of the four lobes has an area of cortex that initiates voluntary movements of body parts?
- A.
Occipital
- B.
Frontal
- C.
Parietal
- D.
Temporal
- 21.Which of the following is not a correct description of a brain study technique?
- A.
Using PET to simulate the brain’s electrical activity
- B.
Using the EEG to record the brain’s electrical activity
- C.
Using MRI to examine the brain’s structure
- D.
Using CT to examine the brain’s structure
- 22.Motion after-effect is best described as
- A.
A trick.
- B.
A curiosity.
- C.
An illusion.
- D.
A brain disorder.
- 23.Wernicke’s area is located in the
- A.
Left temporal lobe
- B.
Right temporal lobe
- C.
Left frontal lobe
- D.
Right frontal lobe
- 24.Studies of change blindness indicate that
- A.
Individuals are always aware of what is going on in their environment.
- B.
Memory is not involved in conscious awareness.
- C.
Change can be detected without having a conscious experience of the change.
- D.
Prolonged exposure to a visual stimulus can result in ‘fatigue’ by neurons detecting upward direction.
- 25.The brain research technique likely to provide the most useful information about the role of the brain in mental processes and behaviour is
- A.
PET.
- B.
F MRI.
- C.
TMS.
- D.
SPECT.
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