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Conduction
Spinal Cord
Brain
Eye
Ear
100
What is the basic unit of the nervous system?
Neuron
100
The spinal cord ends at ____________________ in an adult.
L1 (Lumbar vertebrae #1)
100
The part of the brain that regulates heartbeat, respiration, swallowing, coughing, and blood pressure is
medulla oblongata
100
The outermost layer of the eye is the:
sclera
100
The proper name for ear wax is
cerumen
200
What part of the cell conducts impulses toward the cell?
dendrite
200
The bony structures that protect the spinal cord are called ___________________.
vertebrae
200
Hollow spaces in the brain filled with cerebrospinal fluid are called:
ventricles
200
The mucous membrane that lines the eyelids and covers the front of the eye is the:
conjunctiva
200
The proper name for the outside, visible portion of the ear is
auricle
300
What part of the nerve cell conducts impulses away from the cell?
axon
300
The posterior portion of the spinal cord transmits _________________ type impulses to the brain.9878
sensory
300
Cerebrospinal fluid is produced by special structures called:
choroid plexuses
300
The circular, transparent part on the front of the sclera that allows light rays to enter the eye is the:
cornea
300
Name the 3 bones in the middle ear:
Incus, malleus, stapes
400
Motor nerves that carry messages to all parts of the body from the brain and spinal cord are called:
efferent
400
The anterior part of the cord transmits ______________ type impulses from the brain.
motor
400
The part of the brain responsible for conducting impulses between brain parts and for certain eye reflexes is
midbrain
400
The circular structure behind the pupil that refracts light rays is the ____________.
lens
400
The proper name for the eardrum is ________________.
tympanic membrane
500
Sensory nerves that carry messages from all parts of the body to the brain and spinal cord:
afferent
500
The 3 membranes that cover the brain and spinal cord are:
meninges - dura mater, arachnoid membrane, pia mater
500
The part of the brain that is responsible for thought, reasoning, memory, judgement, speech, and voluntary body movement is:
cerebrum
500
The colored portion of the eye with an opening in the center called the pupil is the _____________________.
Iris
500
The tube that connects the middle ear with the pharynx is the _____________________.
Eustachian tubes