Human Brain Anatomy

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Questions and Answers

What is the primary function of the cerebrospinal fluid in relation to the brain?

  • To store and process sensory information
  • To provide buoyancy and protection to the brain (correct)
  • To transmit nerve signals between different parts of the brain
  • To regulate the body's autonomic functions

Which ventricle is located between the pons and cerebellum?

  • Lateral ventricle
  • Third ventricle
  • Fourth ventricle (correct)
  • Central canal

What is the approximate daily production and absorption of cerebrospinal fluid by the brain?

  • 1000 ml/day
  • 2000 ml/day
  • 500 ml/day (correct)
  • 100 ml/day

What is the main function of the choroid plexus of capillaries in the brain?

<p>To filter blood and produce cerebrospinal fluid (A)</p> Signup and view all the answers

What is the primary function of the cerebellum in the brain?

<p>To coordinate muscle movement (D)</p> Signup and view all the answers

What is the function of the arachnoid villi in the brain?

<p>To absorb cerebrospinal fluid into the venous sinus (B)</p> Signup and view all the answers

What is the effect of an incision completely through the corpus callosum on the patient?

<p>It would affect the transmission of nerve signals between the two hemispheres of the brain (D)</p> Signup and view all the answers

What is the function of the ependymal cells in the brain?

<p>To line the ventricles and canals (D)</p> Signup and view all the answers

What is the composition of cerebrospinal fluid compared to plasma?

<p>It has more Na+ and Cl- but less K+ and Ca+2 (C)</p> Signup and view all the answers

What is the function of the cerebral aqueduct in the brain?

<p>To connect the third and fourth ventricles (B)</p> Signup and view all the answers

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