Central Nervous System Quiz

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Questions and Answers

How many layers of membrane protect the brain and spinal cord?

  • 3 (correct)
  • 1
  • 2
  • 4

What is the primary function of the Cauda Equina?

  • To control chest and torso
  • To control groin, thighs, lower legs, and feet
  • To control head, neck, and arms
  • To receive messages between lower limbs and pelvic organs (correct)

Where does the Filum Terminale extend to?

  • L1/L2 vertebra
  • Foramen magnum
  • 1st coccygeal vertebra (correct)
  • Brainstem

How many spinal nerves are there in the body?

<p>31 (C)</p> Signup and view all the answers

Which part of the spinal cord is responsible for controlling the tailbone?

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

What is the continuation of the brainstem?

<p>Spinal cord (D)</p> Signup and view all the answers

What fills the subarachnoid space between the pia and arachnoid layers?

<p>Cerebrospinal fluid (A)</p> Signup and view all the answers

Which part of the spinal cord's grey matter is responsible for controlling the chest and torso?

<p>Anterior horn (A)</p> Signup and view all the answers

Which part of the spinal cord is responsible for sensory processing?

<p>Posterior horn (B)</p> Signup and view all the answers

Where does the lateral horn exist in the spinal cord?

<p>Thoracic, upper lumbar, sacral regions (A)</p> Signup and view all the answers

What is the function of the anterior horn in the spinal cord?

<p>Sends out motor signals to skeletal muscles (A)</p> Signup and view all the answers

What is the role of the dorsal root in the spinal cord?

<p>Transmits sensory information (B)</p> Signup and view all the answers

What is the function of the posterior ramus of a spinal nerve?

<p>Forms the trunk of the spinal nerve (A)</p> Signup and view all the answers

What are the dural folds that separate different brain regions?

<p>Falx cerebi, falx cerebelli, tentorium cerebelli (B)</p> Signup and view all the answers

What is the function of the cranial nerve nuclei?

<p>Either motor or sensory (A)</p> Signup and view all the answers

What is the most common type of sensory ganglion in the spinal cord?

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

Where does the anterior root exit the spinal cord?

<p>Through anterolateral sulcus (B)</p> Signup and view all the answers

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