Check Your Understanding - CNS, PNS & ANS Flashcards
What are bundles of axons in the CNS called?
Tracts - CNS
Nerves - PNS
What portion of the brain developed from the hindbrain?
Cerbellum
Medulla Oblongata
Pons
What is the difference between grey and white matter? Where is each type of matter found in the brain? What about the spinal cord?
White Matter consists primarly of axons while Grey matter consists of cell bodies
In the brain White matter is deep while grey matter is superfifical
In the spine, white matter is superfifical while grey matter is deep
What impact do gyri have on the brain’s functioning and overall ability to process information?
Gyri are found in the cerebrum and are folding sthat increase surface are and allow for complex decion making and high order reasoning
What portion of the brain filters almost all sensory inputs?
Thalamus
What is the main function of the cerebellum?
Movement Coordination Balance and Posture
What reflexes are controlled by the brainstem?
Cardiac, Respiratory, swallowing
What is the corpus callosum?
bundle of axons that connect the right and left hemispheres of the cerebrum and allow for communication between the two
Name the meninges from superficial to deep.
Dura mater
Arachnoid Mater
Pia Mater
Where is CSF produced? What is its function?
Ependymal Cells
Provides cushioning and protection
What is the purpose of the blood brain barrier?
Where do afferent neurons enter the spinal cord? Where are their cell bodies found?
Describe three key differences between the somatic and autonomic nervous systems.
Describe 5 key differences between the parasympathetic and sympathetic nervous systems.
Hint: think about the effect each of these systems has on effector cells
What is the major neurotransmitter released from preganglionic neurons?
