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

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

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

Where is the primary motor area located?

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

What is the function of Broca's speech area?

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

Which lobe processes incoming visual information and stores visual memories?

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

What is the function of the insula in the brain?

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

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

<p>Initiate and terminate movement (A)</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 (D)</p> Signup and view all the answers

Where is the primary somatosensory area located in the brain?

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

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

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

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

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

Where is the primary olfactory area located?

<p>Medial aspect of temporal lobe (B)</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 (D)</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 (A)</p> Signup and view all the answers

What function is associated with the prefrontal cortex?

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

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

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

What is the primary function of the Glossopharyngeal nerve?

<p>Regulates blood pressure and blood gases (A)</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 (A)</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 (B)</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 (B)</p> Signup and view all the answers

Which cranial nerve assists the Vagus nerve with swallowing functions?

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

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