EDSP 161 Neuro/Anat Quiz 1

First quiz, questions given in class

supine

on the back

prone

on the belly

What is the CNS encased in?

bone (skull and vertebrae)

What parts does the CNS include?

cerebral cortex, cerebellum, thalamus, basal ganglion, brain stem, spinal cord

coronal

separates front and back

sagittal

separates right and left

transverse

separates top and bottom

What is the most basic unit of the nervous system?

neurons (nerve cells)

Where is the pre-central gyrus found?

aka motor strip; found in the frontal lobe

Sensory receptors are found in which lobe?

parietal lobe (post-central gyrus)

sensory aphasia

Wernicke’s aphasia

motor aphasia

Broca’s aphasia

What part of the neuron receives information?

dendrites

The cerebellum has two hemispheres; is it ipsilateral, contra-lateral, or both? Does it give information of movement

the two hemispheres provide coordination of fine movements ipsilaterally; responsible for rapid and precise movements

Does the spinal column go all the way, or does it stop?

Divided into 5 sections; does NOT extend the complete length of the vertebral column

How far does the spinal column go and how big is it?

stops at lower border of the first lumbar vertebra ADults; stops at the upper border of the 3^rd lumbar vertebra CHildren

Impairment in the substantia nigra (Parkinson’s) – where is it located?

impairment of the basal ganglion; impairment here results in reduction of transmission of dopamine, which eventually result in Parkinson’s

What is the fatty wrapping around the neurons called?

myelin sheath