USA Neuro Exam 2 2023/2024 with 100% correct answers

What can be damaged by the falx cerebri in case of head trauma? - correct answer The hard falx cerebri can cut into the corpus callosum, oculomotor CN III, brainstem, PCA. What is one purpose of Pia matter in relation to the SC? - correct answer Pia can help to anchor the SC into the dura as it goes down the canal. How is one way hematoma can happen in the epidural space? - correct answer Epidural space lies above the dura matter and contains the middle meningeal artery, a branch of the external carotid. Bleeding here can cause hematoma. What is one way that the MMA can be ruptured in the epidural space? - correct answer Temporal bone fracture which can be asymptomatic but can lead to increase inter cranial pressure, herniation and death. The brain can actually shift as a result of hematoma. What are the two types of subdural hematoma? - correct answer -chronic (common in elderly) -Acute Subdural Hematoma ASD (caused as a result of force) What is subarachnoid hemorrhage? - correct answer ASDs are caused by blood from hemorrhagic contusions and traumatic subarachnoid hemorrhage that extends to the subdural space due to tears of the arachnoid membrane. subarachnoid hemorrhage can be traumatic or non-traumatic and it is bleeding in the CSF. It can cause severe headache What are the different herniations that can happen in the brain? - correct answer 1. Central- Central herniation (2) occurs when there is downward pressure centrally and can result in bilateral uncal herniation.