A&P
Chapter 12 & 13 Quiz Topics: CNS & PNS
Chapter 12: The CNS
 Major regions of the adult brain
 White matter v. gray matter
 Visible structures: sulcus, gyrus, fissure
 Be able to label major structures & lobes on a diagram of a sagittal section the brain
o Cerebrum
o Thalamus
o Hypothalamus
o Cerebellum
o Midbrain
o Pons
o Medulla
 Overall function of the cerebrum & functional areas of the cerebral cortex
o Frontal, parietal, temporal, occipital, insula – Know general location and function
o Motor areas, sensory areas, association areas
o Broca’s Area, Wernicke’s Area, prefrontal cortex, somatosensory cortex, motor cortex
 Commissures v. association fibers v. projection fibers
 Location and subdivisions of the diencephalon; Be able to describe the general role of each
o Thalamus
o Hypothalamus
o Epithalamus
 Three regions of the brain stem and their functions
o Midbrain
o Pons
o Medulla Oblongata
 Structure & function of the cerebellum
 How the CNS is protected – Explain how each of the following provides protection
o CSF
 Where is it made?
 Where is it found?
 How is it circulated?
o Blood-brain barrier
o Meninges
 Dura mater v. Arachnoid Mater v. Pia mater
 Epidural space v. Subdural space v. Subarachnoid space
 Structure of the spinal cord:
o white matter v . gray matter
o lateral (anterior (ventral) horn, posterior (dorsal) horn, interneuron
 Spinal nerves: broad categories, dorsal root v. ventral root
 Injuries to spinal cord – paraplegia v. quadriplegia
Chapter 13: The PNS
 Sub- Divisions of the PNS
o Sensory v. Motor
 Sub-Divisions of the Motor System: Autonomic v. Somatic
 Sub-Divisions of Autonomic System:
 Classification of sensory receptors: type of stimuli, location, complexity
 Be able to describe examples of each category of sensory receptor
o Mechanoreceptor, thermoreceptor, chemoreceptor, photoreceptor, nociceptor
 Rods v. Cones for photoreceptors
o Exteroceptor, interoceptor, propioceptor
 Cranial nerves v. spinal nerves – what regions of the body do they serve?
 Be able to describe functions of the following cranial nerves:
o Facial
o Oculomotor, Trochlear, Abducens
o Olfactory
o Optic
o Vagus
o Vestibulocochlear
 Reflexes – What are they?
 Components of a reflex arc (be able to follow the 5 steps of a reflex pathway)