Ventricles, CSF and lateral surface of cerebrum Flashcards
Main cell type that produces CSF
Ependymal cells
Aqueduct of Sylvius connects what
Third and fourth ventricles
Fourth ventricle arises from
Metencephalon
Which of the following statements regarding cerebrospinal fluid is incorrect?
Cerebrospinal fluid reduces the net weight of the brain
The one-way flow of cerebrospinal fluid to the blood takes potentially harmful metabolites, drugs and other substances away from the brain
Cerebrospinal fluid acts as an endocrine medium in the brain
Hydrocephalus is an under-production of cerebrospinal fluid
The gross appearance of cerebrospinal fluid is usually colourless
Hydrocephalus is an under-production of CSF (It’s an over production of CSF)
Swelling of the optic disk due to raised intra-cranial pressure is known as
Papilledema
Which statement regarding meninges is false
There are three meningeal coverings of the central nervous system; the dura, arachnoid and pia
The subdural space contains veins that connect the cerebral veins to the Dural venous sinuses
The extradural space is a potential space
Arachnoid tents which cross sulci and fissures create spaces beneath them known as cisterns
Arachnoid matter adheres to the cortical surface
Arachnoid matter adheres to the cortical surface (It is between dura and pia)
Brodmann areas 41 and 42 are important for what sensation
Audition (Primary auditory cortex)
Wernicke’s area includes what areas of cerebrum
Inferior parietal lobule and superior temporal gyrus
This cortical area is involved in the control of visual attention and eye movements
Frontal eye field
Fissure of Rolando separates what?
Precentral gyrus from post central gyrus
What does the primary motor cortex control and Brodmann area number?
Posture during movement
Coordination between body parts on both sides of the body
Sequences of motor movements
Brodmann area 4
