Central Canal and Subarachnoid Space Quiz
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Questions and Answers

Which molecules can easily cross the blood-brain barrier?

  • Water and glucose
  • Proteins and antibiotics
  • Oxygen and carbon dioxide (correct)
  • Ions and caffeine
  • What is the main function of the cerebrum?

  • Responsible for conscious analytical thought (correct)
  • Regulates blood flow to the brain
  • Aids in digestion processes
  • Controls unconscious reflexes
  • How do most substances exit the roof of the 4th ventricle into the subarachnoid space?

  • Via dural venous sinuses
  • Directly into the brain tissue
  • Through arachnoid villi (correct)
  • Through the central canal
  • What is the primary role of astrocytes in relation to the blood-brain barrier?

    <p>Secrete chemicals to maintain the strength of tight junctions</p> Signup and view all the answers

    What connects the two hemispheres of the brain and allows communication between them?

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

    Where is the primary motor area located?

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

    What is the function of Broca's speech area?

    <p>Control motor aspect of speech muscles</p> Signup and view all the answers

    Which lobe is responsible for sensory processing of general somatic senses such as pressure and pain?

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

    Which lobe processes incoming visual information and stores visual memories?

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

    What is the function of the insula in the brain?

    <p>Memory and interpretation of taste</p> Signup and view all the answers

    What is the role of the basal nuclei in the brain?

    <p>Initiate and terminate movement</p> Signup and view all the answers

    Which structure plays a key role in the storage of short-term memory and its conversion to long-term memory?

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

    Where is the primary somatosensory area located in the brain?

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

    What is the main function of the limbic system in the brain?

    <p>Process and experience emotion</p> Signup and view all the answers

    Which area of the brain is responsible for receiving and processing visual information?

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

    Where is the primary olfactory area located?

    <p>Medial aspect of temporal lobe</p> Signup and view all the answers

    Which area is responsible for voluntary scanning of eyes, such as reading a sentence?

    <p>Frontal eye field</p> Signup and view all the answers

    Where is Broca's area located in the brain?

    <p>Superior lateral cerebral sulcus of the right hemisphere</p> Signup and view all the answers

    What function is associated with the prefrontal cortex?

    <p>Handling personality, intellect, and planning for the future</p> Signup and view all the answers

    Which area of the brain is responsible for integrating and interpreting sensory information?

    <p>Somatosensory cortex</p> Signup and view all the answers

    What is the primary function of the Glossopharyngeal nerve?

    <p>Regulates blood pressure and blood gases</p> Signup and view all the answers

    Which part of the brain serves as the 2nd largest part of the brain and contains half of the neurons in the entire brain?

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

    Which structure connects the cerebellum to the brainstem and is involved in regulating muscle tone, heart rate, blood pressure, and respiratory rate?

    <p>Cerebellar peduncles</p> Signup and view all the answers

    What is the main function of the Reticular Activating System within the Reticular Formation?

    <p>Arousing consciousness and attention</p> Signup and view all the answers

    Which cranial nerve assists the Vagus nerve with swallowing functions?

    <p>Accessory (XI)</p> Signup and view all the answers

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