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bone of the skull - 🧠ANSWER
cribriform plate - 🧠ANSWER ✔✔The horizontal plate of the ethmoid bone
separating the cranial cavity from the nasal cavity.
,anatomy of brain - 🧠ANSWER ✔✔
3 brain hemispheres and their functions - 🧠ANSWER ✔✔cerebrum (largest)
-sensory function
-motor function
-higher intellectual function
-intelligence
-memory
cerebellum
-primitive functions
-coordination
-balance
,brainstem
-vital body function
-cardio-respiratory function
3 layers of meninges and it's function - 🧠ANSWER ✔✔protect cranial
nerves and SC
-dura mater (superficial)
-arachnoid
-pia mater (deep)
significance of foramen magnum - 🧠ANSWER ✔✔primary opening through
which pressure can be released
-at base of skull
-where SC passes through
depressed skull fractures - 🧠ANSWER ✔✔-fragments of bone driven
toward or into underlying brain tissue
open
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, -possible entry point for bacteria
closed
-increase risk of intracranial pressure
linear skull fractures - 🧠ANSWER ✔✔-usually no bone displacement
-*account for 80% of skull fractures*
basilar skull fractures - 🧠ANSWER ✔✔-fractures on floor of cranium
-*battle's sign* (ecchymosis over mastoid behind ears)
-*racoon eyes* (periorbital ecchymosis)
nasal fractures - 🧠ANSWER ✔✔-epistaxis
-edema
-ecchymosis
-nasal deformity
-crepitus
mandible fractures - 🧠ANSWER ✔✔-teeth no longer fit together properly or
may be missing