Term
How many cranial nerves are there, and what are their names? |
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Definition
12, 1.Olfactory 2.Optic 3.Oculomotor 4.Trochlear 5.Trigeminal 6.Abducens 7.Facial 8.Vestibulocochlear 9.Glossopharyngeal 10.Vagus 11.Accessory 12.Hypoglossal |
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Term
How are tumors diagnosed? |
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Definition
CT and high-resolution MRI |
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Term
Why is a Craniotomy performed? |
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Definition
Any time the brain or surrounding tissues need to be accessed for any reason.
ie. tumor, epidural hematoma, brain abscess, subdural hematoma etc. |
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Term
What are the names of the 8 bones of the cranium? |
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Definition
1 Frontal, 2 Parietal, 1 Occipital, 2 Temporal, 1 Sphenoid, 1 Ethmoid. |
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Term
What is applied to each side of the marked incision for hemostasis? |
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Definition
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Term
What would determine the size of the hole created for the craniotomy? |
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Definition
The objective of the procedure (tumor removal, subdural hemorrhage) and where the bone flap is located. |
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Term
Why are bur holes created? |
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Definition
Bur holes are created (1 or more) to outline the size of the opening in the skull. The surgeon then uses the saw to connect the bur holes and create the bone flap. |
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Term
What is used to hold the head in place during a craniotomy, and why? |
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Definition
Pin fixation device, to prevent the head from moving. Any slight movements of the head when working in or around the brain can cause severe damage or even death. |
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Term
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Definition
It is a surgical opening in the skull. Used to gain access inside the skull to work on the intended pathology. |
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Term
What are the names of the 8 layers you have to go through before reaching the Pia Mater of the brain? |
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Definition
Skin, Fat, Periosteum, Bone, Dura Mater, Subdural Space, Arachnoid Mater, Subarachnoid Space. |
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Term
What is the frontal lobe of the brain responsible for? |
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Definition
Higher intellectual function, speech production, ipsilateral motor control |
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Term
What is the Temporal lobe responsible for? |
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Definition
Hearing, Memory, Speech perception |
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Term
What is the Parietal lobe responsible for? |
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Definition
Primary somatic sensory area |
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Term
Where is Wernicke's area located and what is it responsible for? |
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Definition
In the Temporal lobe, auditory comprehension. |
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Term
What is the Occipital lobe responsible for? |
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Definition
Vision and vision perception |
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Term
What is the Diencephalon responsible for? |
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Definition
Body temperature regulation, pituitary hormone control, autonomic nervous system responses, includes the thalamus/epithalamus/hypothalamus. |
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Term
What is the Cerebellum responsible for? |
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Definition
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Term
What is the brain stem responsible for? |
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Definition
Respiratory and cardiac regulation, level of awareness, reticular activating system, includes midbrain/pons/medulla oblongata. |
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Term
What is the structure that connects the two hemispheres of the brain? |
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Definition
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Term
What are the mountains (high spots) and the valley (low spots) in the brain called? |
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Definition
Mountains - Convolutions
Valley - Sulci |
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