Neuroscience Exam III

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1. The choroid plexus is the source of:
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About This Quiz
Neuroscience Quizzes & Trivia

A practice exam for our upcoming neuroscience exam. Currently covers ventricular system, meninges, the major arteries of the brain, sensory receptors, and the muscle spindle. More questions will be added as I go through my notes :)

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2. The 4th ventricle is found within what 3 structures of the brain?
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3. The muscle spindle has a key role in regulating muscle tone.
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4. The main function of cerebral spinal fluid is:
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5. _______________________ are stimulated by deforming their shape (e.g., hair cell, skin receptor, stretch receptor).
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6. The ventricluar system is not connected to the venous system.
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7. The 4th ventricle goes on to become the:
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8. The ___________ is the thickest of the meninges and is attached to the cranium
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9. What is the tentoruim cerebelli?
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10. Interocepters of the peripheral nervous system are found in internal viscera and blood vessels
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11. The choroid plexus is vascularized.
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12. The dura mater is pain sensitive.
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13. The narrow, slit-shaped 3rd ventricle occupies most of the midline region of the:
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14. The falx cerebrix projects into the ___________.
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15. Another name for the foramen of Monroe is:
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16. The falx cerebrix is a structure associated with the:
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17. What is the dura mater critical for?
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18. Gamma 2 fibers go to nuclear chains.
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19. The 3rd ventricle is connected to the 4th ventricle by the:
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20. What are the names of the apertures that come off of the 4th ventricles?
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21. During a brain dissection, the pia mater is relatively easy to peel off the brain.

Explanation

Pia mater adheres closely to all external surfaces of the brain (gyri and sulci) and merges with the arachnoid trabeculae.

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22. The dura mater gets its blood supply from the:
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23. Epidural hematomas are most commonly caused by the rupture of the:
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24. One subclavian artery comes directly off of the ascending aorta and the other subclavian artery branches off from the brachiocephalic trunk.
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25. The internal carotid artery gives rise to:
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26. Correctly match the arteries listed on the left to the arteries they give rise to.
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27. Correctly match what areas of the brain each artery supplies.
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28. The 4th ventricle communicates or connects with what structure?
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29. The purpose of the dural sinuses is to:
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30. The lateral ventricle is connected to the 3rd ventricle by the:
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31. The common carotid of the aorta gives rise to:
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32. The cranial nerve system is associated with sensory aspects of the meninges.

Explanation

Dura is pain sensitive because of the trigeminal nerve.

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33. How many horns does the lateral ventricle have?
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34. The three types of blood vessels that make up the choroid plexus are: Check all that apply.
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35. How many types of intrafusal muscle fibers are there?
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36. Golgi tendon organs help to prevent:
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37. Large receptor fields of the homunculus are associated with:
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38. Nuclear bag fibers respond to:
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39. Cerebral spinal fluid enters venous circulation via the ______________________.
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40. Gamma motor neurons regulate:
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41. If proprioceptive information from the muscle spindle goes to the alpha motor neuron of the opposite muscle to inhibit contraction, it is considered:
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42. Small receptor fields of the homunculus are associated with:
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43. Intrafusal muscle fibers are also known as skeletal muscles.
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44. Gamma 1 fibers go to nuclear chains.

Explanation

They go to nuclear bags

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45. If proprioceptive information from the muscle spindle goes to the alpha motor neuron of the same muscle to facilitate contraction, it is considered:
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46. What makes up the choroid plexus?
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47. The arachnoid meningeal layer is vascularized. 
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48. The purpose of the arachnoid meninge is to:
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49. Which space(s) or layer(s) is/are considered not "true" space(s)/layer(s) because it/they only show up because of a cranial bleed? Check all that apply.
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50. The protopathic developmental classifcation of the peripheral nervous system (PNS): Check all that apply

Explanation

Protopathic system: Older system, poorly localizing, crude bodily sensation.

Epicritic system: Newer system, detects specific/highly localized stimuli (e.g., exact joint position or 2-point discrimination)

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51. Ruffini endings detect:
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52. Golgi tendon organs send proprioceptive information along _______ fibers to the dorsal horn of the spinal cord.
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53. Nuclear chain fibers respond to:
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54. Exteroceptors of the peripheral nervous system:
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55. Put the layers in order, 1 being the most superficial layer and 8 being the most deep layer.
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56. Ia (primary) muscle spindle sensory endings: Check all that apply
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57. Renshaw cells of the spinal cord are important for:
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58. What arteries directly make up the Circle of Willis AKA Cerebral Arterial Circle? Check all that apply.

Explanation

Remember, the medial cerebral artery is technically not considered part of the Circle of Willis even though it branches off directly from the internal carotid artery.

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59. What are the functions of the Circle of Willis?

Explanation

The Circle of Willis supplies the diencephalon, internal capsule, and optic chiasm

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60. Meissner corpuscles detect:
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61. The anterior communicating artery: Check all that apply.
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62. Gamma motor neurons: Check all that apply

Explanation

Gamma motor neurons regulate muscle tone/length. They innervate muscle spindles. They are fast conducting and heavily myelinated. They receive info from: vestibulospinal, rubrospinal, reticulospinal, and corticospinal.

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63. Proprioceptors: Check all that apply
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64. Secondary somatosensory association areas: Check all that apply
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65. Put the alpha-gamma co-activation sequence in the right order.
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The choroid plexus is the source of:
The 4th ventricle is found within what 3 structures of the brain?
The muscle spindle has a key role in regulating muscle tone.
The main function of cerebral spinal fluid is:
_______________________ are stimulated by deforming their shape (e.g.,...
The ventricluar system is not connected to the venous system.
The 4th ventricle goes on to become the:
The ___________ is the thickest of the meninges and is attached to the...
What is the tentoruim cerebelli?
Interocepters of the peripheral nervous system are found in internal...
The choroid plexus is vascularized.
The dura mater is pain sensitive.
The narrow, slit-shaped 3rd ventricle occupies most of the midline...
The falx cerebrix projects into the ___________.
Another name for the foramen of Monroe is:
The falx cerebrix is a structure associated with the:
What is the dura mater critical for?
Gamma 2 fibers go to nuclear chains.
The 3rd ventricle is connected to the 4th ventricle by the:
What are the names of the apertures that come off of the 4th...
During a brain dissection, the pia mater is relatively easy to peel...
The dura mater gets its blood supply from the:
Epidural hematomas are most commonly caused by the rupture of the:
One subclavian artery comes directly off of the ascending aorta and...
The internal carotid artery gives rise to:
Correctly match the arteries listed on the left to the arteries they...
Correctly match what areas of the brain each artery supplies.
The 4th ventricle communicates or connects with what structure?
The purpose of the dural sinuses is to:
The lateral ventricle is connected to the 3rd ventricle by the:
The common carotid of the aorta gives rise to:
The cranial nerve system is associated with sensory aspects of the...
How many horns does the lateral ventricle have?
The three types of blood vessels that make up the choroid plexus are:...
How many types of intrafusal muscle fibers are there?
Golgi tendon organs help to prevent:
Large receptor fields of the homunculus are associated with:
Nuclear bag fibers respond to:
Cerebral spinal fluid enters venous circulation via the...
Gamma motor neurons regulate:
If proprioceptive information from the muscle spindle goes to the...
Small receptor fields of the homunculus are associated with:
Intrafusal muscle fibers are also known as skeletal muscles.
Gamma 1 fibers go to nuclear chains.
If proprioceptive information from the muscle spindle goes to the...
What makes up the choroid plexus?
The arachnoid meningeal layer is vascularized. 
The purpose of the arachnoid meninge is to:
Which space(s) or layer(s) is/are considered not "true"...
The protopathic developmental classifcation of the peripheral nervous...
Ruffini endings detect:
Golgi tendon organs send proprioceptive information along _______...
Nuclear chain fibers respond to:
Exteroceptors of the peripheral nervous system:
Put the layers in order, 1 being the most superficial layer and 8...
Ia (primary) muscle spindle sensory endings: Check all that apply
Renshaw cells of the spinal cord are important for:
What arteries directly make up the Circle of Willis AKA Cerebral...
What are the functions of the Circle of Willis?
Meissner corpuscles detect:
The anterior communicating artery: Check all that apply.
Gamma motor neurons: Check all that apply
Proprioceptors: Check all that apply
Secondary somatosensory association areas: Check all that apply
Put the alpha-gamma co-activation sequence in the right order.
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