Nervous System Structural Classification Quiz
102 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is included in the central nervous system (CNS)?

  • Cranial nerves
  • Brain and spinal cord (correct)
  • Spinal nerves
  • Peripheral nerves

    • Where are the nerves outside the brain and spinal cord located?

  • Peripheral nervous system (PNS) (correct)
  • Central nervous system (CNS)
  • Cranial nerves
  • Brain and spinal cord

    • Which part of the nervous system is responsible for transmitting signals to and from the CNS?

  • Cranial nerves
  • Peripheral nervous system (PNS) (correct)
  • Spinal cord
  • Brain

    • Which part of the brain is responsible for coordinating voluntary movements and balance?

    <p>Cerebellum</p> Signup and view all the answers

    Which region of the brain serves as the relay center for sensory and motor signals?

    <p>Diencephalon</p> Signup and view all the answers

    Which part of the brain is responsible for regulating vital functions such as breathing and heart rate?

    <p>Brain stem</p> Signup and view all the answers

    What percentage of the brain's mass does the Cerebrum constitute?

    <p>80%</p> Signup and view all the answers

    Which part of the brain is responsible for higher mental functions?

    <p>Cerebrum</p> Signup and view all the answers

    How are the right and left cerebral hemispheres connected internally?

    <p>By the corpus callosum</p> Signup and view all the answers

    What is the outer region of the cerebrum called?

    <p>Cerebral Cortex</p> Signup and view all the answers

    What is the composition of the cerebral cortex?

    <p>24 mm gray matter with underlying white matter</p> Signup and view all the answers

    What are the raised folds in the cerebral cortex called?

    <p>Gyri</p> Signup and view all the answers

    Where is the precentral gyrus located?

    <p>Frontal lobe</p> Signup and view all the answers

    Which lobe houses the postcentral gyrus responsible for somatesthetic sensation?

    <p>Parietal lobe</p> Signup and view all the answers

    What is the main function of the insula lobe?

    <p>Emotional regulation</p> Signup and view all the answers

    Each hemisphere of the brain is divided into 4 lobes.

    <p>False</p> Signup and view all the answers

    The precentral gyrus is located in the parietal lobe.

    <p>False</p> Signup and view all the answers

    The postcentral gyrus is responsible for motor control.

    <p>False</p> Signup and view all the answers

    Where is the occipital lobe located?

    <p>At the back portion of the brain</p> Signup and view all the answers

    What is the main function of the insula lobe?

    <p>Encoding of memory and integration of sensory information with visceral responses</p> Signup and view all the answers

    Which lobe houses auditory centers and receives sensory fibers from the cochlea?

    <p>Temporal lobe</p> Signup and view all the answers

    Which type of brain wave is most commonly seen during sleep and originates from the occipital and temporal lobes?

    <p>Theta waves</p> Signup and view all the answers

    Which brain wave pattern is associated with an active, relaxed brain and is most commonly seen in the frontal and parietal lobes?

    <p>Alpha waves</p> Signup and view all the answers

    Which brain wave pattern is produced with visual stimulation and mental activity, and is most commonly seen in the frontal lobe?

    <p>Beta waves</p> Signup and view all the answers

    Alpha waves are most commonly seen in the occipital and temporal lobes

    <p>False</p> Signup and view all the answers

    Theta waves are produced with visual stimulation and mental activity

    <p>False</p> Signup and view all the answers

    Delta waves are also seen in sleep and originate from all over the cerebrum

    <p>True</p> Signup and view all the answers

    Theta waves are most commonly seen in the frontal and parietal lobes

    <p>False</p> Signup and view all the answers

    Delta waves are associated with visual stimulation and mental activity

    <p>False</p> Signup and view all the answers

    Alpha waves are produced with visual stimulation and mental activity

    <p>False</p> Signup and view all the answers

    Which category of sleep is characterized by rapid eye movement and the occurrence of dreams?

    <p>REM sleep</p> Signup and view all the answers

    Which type of brain waves are associated with stages 3 and 4 of non-REM sleep, often called slow wave sleep?

    <p>Delta waves</p> Signup and view all the answers

    In which category of sleep are theta waves seen?

    <p>REM sleep</p> Signup and view all the answers

    During which stage of sleep are slow wave prominent?

    <p>Stage 3</p> Signup and view all the answers

    How often does the sleep cycle repeat in most people per night?

    <p>Every 90 minutes</p> Signup and view all the answers

    When do people usually awaken naturally during sleep?

    <p>During REM sleep</p> Signup and view all the answers

    During which stage of sleep are breathing and heart rate very irregular?

    <p>REM sleep</p> Signup and view all the answers

    Which brain region is particularly active during REM sleep and is involved in emotion?

    <p>Limbic system</p> Signup and view all the answers

    What type of memories does REM sleep benefit the consolidation of?

    <p>Long-term non-conscious memories</p> Signup and view all the answers

    During REM sleep, breathing and heart rate may be very irregular.

    <p>True</p> Signup and view all the answers

    The limbic system, involved in emotion, is very active during REM sleep.

    <p>True</p> Signup and view all the answers

    REM sleep benefits the consolidation of nondeclarative memories.

    <p>True</p> Signup and view all the answers

    During non REM sleep, what happens to the firing rates of neurons?

    <p>They decrease</p> Signup and view all the answers

    What is a benefit of non REM sleep related to memory?

    <p>Consolidation of spatial and declarative memories</p> Signup and view all the answers

    What does non REM sleep allow time for?

    <p>Repair of metabolic damage done to cells by free radicals</p> Signup and view all the answers

    Where does memory consolidation occur?

    <p>Medial temporal lobe, hippocampus, and amygdala</p> Signup and view all the answers

    What is the function of nondeclarative memory?

    <p>Memory of simple skills and how to do things</p> Signup and view all the answers

    What is the requirement for long term memory?

    <p>Actual structural change including gene activation and protein production</p> Signup and view all the answers

    Memory consolidation occurs in the medial temporal lobe, hippocampus, and amygdala.

    <p>True</p> Signup and view all the answers

    Sleep is needed for optimum memory consolidation.

    <p>True</p> Signup and view all the answers

    Long term memory can be classified into Nondeclarative and Declarative memory.

    <p>True</p> Signup and view all the answers

    Where are the basal nuclei located?

    <p>Deep in the white matter of the cerebrum</p> Signup and view all the answers

    What is the composition of the lentiform nucleus?

    <p>Putamen and globus pallidus</p> Signup and view all the answers

    What is the function of the basal nuclei?

    <p>Control of voluntary movements</p> Signup and view all the answers

    Basal nuclei are masses of gray matter located in the white matter of the cerebrum.

    <p>True</p> Signup and view all the answers

    The corpus striatum is composed of the caudate nucleus and the lentiform nucleus.

    <p>True</p> Signup and view all the answers

    The basal nuclei include the subthalamic nucleus of the diencephalon and substantia nigra of the midbrain.

    <p>True</p> Signup and view all the answers

    What neurotransmitter is released by the neurons from motor cortex regions of the frontal lobe in the motor circuit?

    <p>Glutamate</p> Signup and view all the answers

    Which region sends GABA-releasing neurons to the thalamus in the motor circuit?

    <p>Globus pallidus</p> Signup and view all the answers

    What is the function of the thalamus in the motor circuit?

    <p>Sends excitatory axons to the motor cortex of the cerebrum</p> Signup and view all the answers

    What causes Parkinson's disease?

    <p>Degeneration of dopaminergic neurons in the substantia nigra</p> Signup and view all the answers

    Which tract is affected in Parkinson's disease?

    <p>Nigrostriatal tract</p> Signup and view all the answers

    Which neurotransmitter is primarily affected in Parkinson's disease?

    <p>Dopamine</p> Signup and view all the answers

    Which structure is responsible for the decussation (crossing over) of fibers, allowing each side of the precentral gyrus to control movements on the contralateral side of the body?

    <p>Corpus callosum</p> Signup and view all the answers

    Where does somatesthetic sensation from each side of the body project to in the brain?

    <p>Contralateral sides of the postcentral gyrus</p> Signup and view all the answers

    What happens in severe forms when communication between the two brain hemispheres is severed?

    <p>Reduced communication between the sides occurs through the corpus callosum</p> Signup and view all the answers

    What is the term now preferred to describe the specialization of function in one hemisphere or the other?

    <p>Cerebral lateralization</p> Signup and view all the answers

    Which term is analogous to handedness, suggesting greater competence with one hemisphere than the other?

    <p>Cerebral dominance</p> Signup and view all the answers

    How do the two hemispheres appear to function according to the concept of cerebral lateralization?

    <p>Complementary functions</p> Signup and view all the answers

    Is cerebral dominance analogous to handedness, suggesting that people generally have greater competence with one hemisphere than with the other?

    <p>True</p> Signup and view all the answers

    Is cerebral lateralization the term now preferred to describe the specialization of function in one hemisphere or the other?

    <p>True</p> Signup and view all the answers

    Do the two hemispheres appear to have complementary functions rather than one hemisphere being dominant and the other subordinate?

    <p>True</p> Signup and view all the answers

    Is the right hemisphere specialized in language, speech, writing, and calculations?

    <p>False</p> Signup and view all the answers

    Is the left hemisphere specialized in visuospatial tasks and recognizing faces?

    <p>False</p> Signup and view all the answers

    Is cerebral lateralization the concept that suggests each hemisphere is specialized in different functions?

    <p>True</p> Signup and view all the answers

    Which hemisphere of the brain is specialized in recognizing faces?

    <p>Right hemisphere</p> Signup and view all the answers

    Which hemisphere is specialized in language and writing?

    <p>Left hemisphere</p> Signup and view all the answers

    Which type of tasks seem to be performed better by one side of the brain than the other?

    <p>Visuospatial tasks</p> Signup and view all the answers

    True or false: The right hemisphere is specialized in language, speech, and writing?

    <p>False</p> Signup and view all the answers

    True or false: The left hemisphere is specialized in visuospatial tasks and recognizing faces?

    <p>False</p> Signup and view all the answers

    True or false: Cerebral lateralization suggests that each hemisphere is specialized in different functions?

    <p>True</p> Signup and view all the answers

    Which area of the brain is associated with speech and language disorders caused by damage through head injury or stroke?

    <p>Broca's area</p> Signup and view all the answers

    Where are the language areas of the brain located in most people?

    <p>Left hemisphere of the cerebral cortex</p> Signup and view all the answers

    What are aphasias?

    <p>Speech and language disorders caused by brain damage</p> Signup and view all the answers

    Where is Broca's Area located?

    <p>Left inferior frontal gyrus</p> Signup and view all the answers

    Which area does Broca's Area send fibers to?

    <p>Motor cortex (precentral gyrus)</p> Signup and view all the answers

    What is the primary function of Broca's Area?

    <p>Manages motor aspects of speech</p> Signup and view all the answers

    Where is Wernicke's Area located?

    <p>Left superior temporal gyrus</p> Signup and view all the answers

    What does Wernicke's Area control?

    <p>Language comprehension</p> Signup and view all the answers

    Where is information about heard words sent by the brain?

    <p>Temporal lobe (auditory cortex)</p> Signup and view all the answers

    Wernicke's Area is located in the left superior temporal gyrus.

    <p>True</p> Signup and view all the answers

    Wernicke's Area controls understanding of words (language comprehension).

    <p>True</p> Signup and view all the answers

    Information about heard words is sent by the temporal lobe (auditory cortex).

    <p>True</p> Signup and view all the answers

    Where does word comprehension originate in the brain?

    <p>Wernicke's area</p> Signup and view all the answers

    Where is information about heard words sent by the brain?

    <p>Broca's area</p> Signup and view all the answers

    Where does Broca's area send information to direct movement of appropriate speech muscles?

    <p>Motor cortex (precentral gyrus)</p> Signup and view all the answers

    Where is the Angular Gyrus located?

    <p>At the junction between the parietal, occipital, and temporal lobes</p> Signup and view all the answers

    What is the main function of the Angular Gyrus?

    <p>Integration of sensory information</p> Signup and view all the answers

    What happens if there is damage to the Angular Gyrus?

    <p>Aphasias involved in reading and writing may occur</p> Signup and view all the answers

    Which type of aphasia involves rapid speech with no meaning, often referred to as word salad?

    <p>Wernicke's aphasia</p> Signup and view all the answers

    In which type of aphasia are both Broca's and Wernicke's areas intact, but the damage is caused by the arcuate fasciculus?

    <p>Conduction aphasia</p> Signup and view all the answers

    Which type of aphasia results from damage in Broca's area and involves slow, poorly articulated speech with no impairment in understanding?

    <p>Broca's aphasia</p> Signup and view all the answers

    More Like This

    Autonomic Nervous System Quiz
    10 questions

    Autonomic Nervous System Quiz

    CelebratedLaboradite avatar
    CelebratedLaboradite
    The Nervous System: Central vs Peripheral
    5 questions

    The Nervous System: Central vs Peripheral

    RichKhaki avatar
    RichKhaki
    Nervous Tissue Structure
    5 questions

    Nervous Tissue Structure

    AdjustableLepidolite6316 avatar
    AdjustableLepidolite6316
    Dental Medicine Lecture: Dentitions and Anatomy
    10 questions

    Dental Medicine Lecture: Dentitions and Anatomy

    PhenomenalBoltzmann avatar
    PhenomenalBoltzmann
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser