CNRN Week 1 Neurological Anatomy,
Physiology, & Assessment Review Questions
With Correct Answers
How many cranial bones are there? Name them - CORRECT ANSWER✔✔-8
| | | | | | | | | | |
Cranial Bones |
Frontal, Parietal x2, Temporal x2, Occipital, Sphenoid, Ethmoid
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What are the thickest cranial bones? - CORRECT ANSWER✔✔-Frontal and
| | | | | | | | | |
Occipital
What is the Monroe-Kellie Hypothesis? - CORRECT ANSWER✔✔-- The skull is a
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fixed box |
- Made of 3 components
| | | |
| - Brain (80%)
| |
| - CSF (10%)
| |
| - Blood (10%)
| |
- It maintained homeostasis - Meaning that an increase in one needs to decrease
| | | | | | | | | | | | | |
one or two of the other.
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What are the 3 components of the meninges? - CORRECT ANSWER✔✔-Dura
| | | | | | | | | | |
mater
,Arachnoid mater |
Pia mater
|
Dura Mater - CORRECT ANSWER✔✔-- Thickest
| | | | |
- Outer layer lining skull
| | | |
- Non elastic
| |
- Under the bone
| | |
- Vascular
|
Arachnoid Mater - CORRECT ANSWER✔✔-- Middle layer
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- Subarachnoid space
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- Consist of blood vessels and CSF
| | | | | |
- Arachnoid villi - reabsorb CSF
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- None vascular
| |
Pia Mater - CORRECT ANSWER✔✔-- Innermost layer
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- Adheres to the brain
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- Choroid plexus - produces CSF
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- Vascular
|
- Thicker in spine
| | |
, Cerebral Spinal Fluid (CSF) - CORRECT ANSWER✔✔-- Functions as a cushion
| | | | | | | | | |
- Produced by choroid plexus
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- Absorbed by arachnoid villi and dumped back into circulation via venous sinuses
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How much CSF is produced daily? And where is it produced? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-500 mL produced | |
Produced by the choroid plexus
| | | |
What is the CSF flow pathway? - CORRECT ANSWER✔✔-- Foramen of monro
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- 3rd ventricle
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- Cerebral Aqueduct
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- 4th ventricle
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- Out through subarachnoid space
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- Down into spinal arachnoid space
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Gray Matter - CORRECT ANSWER✔✔-Cell bodies
| | | | |
Unmyelinated
Where synapsis occur
| |
Thinking area of the brain - Cognition, memory, through and personality
| | | | | | | | | |
Physiology, & Assessment Review Questions
With Correct Answers
How many cranial bones are there? Name them - CORRECT ANSWER✔✔-8
| | | | | | | | | | |
Cranial Bones |
Frontal, Parietal x2, Temporal x2, Occipital, Sphenoid, Ethmoid
| | | | | | |
What are the thickest cranial bones? - CORRECT ANSWER✔✔-Frontal and
| | | | | | | | | |
Occipital
What is the Monroe-Kellie Hypothesis? - CORRECT ANSWER✔✔-- The skull is a
| | | | | | | | | | | |
fixed box |
- Made of 3 components
| | | |
| - Brain (80%)
| |
| - CSF (10%)
| |
| - Blood (10%)
| |
- It maintained homeostasis - Meaning that an increase in one needs to decrease
| | | | | | | | | | | | | |
one or two of the other.
| | | | |
What are the 3 components of the meninges? - CORRECT ANSWER✔✔-Dura
| | | | | | | | | | |
mater
,Arachnoid mater |
Pia mater
|
Dura Mater - CORRECT ANSWER✔✔-- Thickest
| | | | |
- Outer layer lining skull
| | | |
- Non elastic
| |
- Under the bone
| | |
- Vascular
|
Arachnoid Mater - CORRECT ANSWER✔✔-- Middle layer
| | | | | |
- Subarachnoid space
| |
- Consist of blood vessels and CSF
| | | | | |
- Arachnoid villi - reabsorb CSF
| | | | |
- None vascular
| |
Pia Mater - CORRECT ANSWER✔✔-- Innermost layer
| | | | | |
- Adheres to the brain
| | | |
- Choroid plexus - produces CSF
| | | | | |
- Vascular
|
- Thicker in spine
| | |
, Cerebral Spinal Fluid (CSF) - CORRECT ANSWER✔✔-- Functions as a cushion
| | | | | | | | | |
- Produced by choroid plexus
| | | | |
- Absorbed by arachnoid villi and dumped back into circulation via venous sinuses
| | | | | | | | | | | |
How much CSF is produced daily? And where is it produced? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-500 mL produced | |
Produced by the choroid plexus
| | | |
What is the CSF flow pathway? - CORRECT ANSWER✔✔-- Foramen of monro
| | | | | | | | | | |
- 3rd ventricle
| |
- Cerebral Aqueduct
| |
- 4th ventricle
| |
- Out through subarachnoid space
| | | |
- Down into spinal arachnoid space
| | | | |
Gray Matter - CORRECT ANSWER✔✔-Cell bodies
| | | | |
Unmyelinated
Where synapsis occur
| |
Thinking area of the brain - Cognition, memory, through and personality
| | | | | | | | | |
