Nervous System Weekly Quiz Flashcards
Afferent nerves conduct nerve impulses from
Receptors to the central nervous system
The factor most affecting the rate of impulse conduction is the
presence or absence of a myelin sheath
The posterior (dorsal) root ganglion is
Where the cell bodies of sensory neurons are located
The part of a spinal nerve that contains only efferent fibres is the:
ventral root
Cell bodies of motor neurons to skeletal muscles are located in the:
anterior gray horns
Fine control of body motor coordination and balance is a function of the:
cerebellum
Paired masses of gray matter within the white matter of the cerebrum that are rich in dopamine and are involved in maintenance of muscle tone are the:
basal ganglia
The main relay centre for conducting information between the spinal cord and the cerebrum is the:
thalamus
The brain stem is made up of the:
medulla oblongata, pons, and midbrain.
Damage to the cerebellum would result in:
uncoordinated movement
The cerebral hemispheres are connected internally by the:
corpus callosum
The primary motor area of the cerebral cortex is located in the:
precentral gyrus
The primary visual area and visual association area of the cerebral cortex are both located in the:
occipital lobe
Precise location and identification of specific sensations occurs in the:
cerebral cortex
Receptors for pressure that are widely distributed in the subcutaneous tissue and the submucosal tissues are the:
Pacinian corpuscles