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| The nervous system is the ____ network that organizes and coordinates all the body's functions. |
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| The two main divisions of the nervous system are the ____ and the ____. |
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| The ____ system is part of the Peripheral system. |
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| The basic functioning unit is the ____, and in this system, the unit is a nerve cell or ____. |
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| Cell, Nerve cell or neuron |
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| Three types of neurons in the nerve tissue: ____, ____, ____. |
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| Sensory, connecting, and motor |
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| Connecting neurons are also called associative or _____ neurons. |
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| All nerve cells have three parts. They are the ____, ____, ____. |
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| Nucleus, cytoplasm, and cell membrane |
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| Schwann cells form a tight protective covering over the peripheral nerves called the ____ ____. |
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| The Myelin Sheath is surrounded by the ____, an elastic sheath covering. |
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| If a nerve is composed of fibers going from the sense organs tot he spinal cord or brain, it is known as a sensory or ____ nerve. |
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| If a nerve is carrying impulses from the brain to a muscle, organ, or gland, it is known as a motor or ____ nerve. |
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| Nerves carry impulses by creating electric charges in a process known as membrane ____. |
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| Normally nerve impulses travel at about ____MPH. |
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| Research has indicated that depressed people have less _____ than people whoa re not depressed, so by blocking it's reuptake, the effect of a small amount of this on the receiving cell is boosted. |
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| The peripheral nervous system (PNS) contains ___ pairs of cranial nerves. |
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| The peripheral system also includes ___ pairs of spinal nerves. |
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| The white matter is mainly composed of axons and ____. |
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| The bulge on the posterior root contains the sensory nerve cell bodies and is called a ____. |
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| There are two divisions of the autonomic nervous system. The ____ system accelerates activity in the smooth, involuntary muscles of the body's organs. The ____ division reverses the action and slows down activity. |
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Definition
| Sympathetic, parasympathetic |
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Term
| The action of the autonomic system is extremely important to our ability to react in an emergency. It is frequently called our ____ or ____ mechanism. |
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| The brain is a large mass of nerve tissue with about ___ billion neurons. |
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| The brain is divided into __ parts. They are the ____, ____, ____, ____, ____. |
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Definition
| 5 parts: Cerebrum, cerebellum, and the brainstem which contains Medulla Oblongata, pons, and the midbrain. |
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| The cerebrum controls the ____ and the ____ sensitivities. |
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| The _____ lobe behind the forehead controls moral traits, emotions, personality and intellectual functions. |
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| The ____ lobe is the far back portion of the cerebrum and is associated with vision. |
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| The ____ lobe is associated with speech. |
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| The ____ lobe lies on the side of the cerebrum, the auditory nerve association is here. |
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| The ____ area controls our sense of smell. |
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| The ____ is responsible for smooth muscle movement, muscle tone, and coordination. |
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| The ____ ____ is responsible for the functions of the heart and lungs, stomach secretions, and the size of blood vessels. |
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| Just above the medulla is the ____, center for chewing, tasting, and secreting saliva. |
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| A small part of the brainstem known as the ____, controls reflex movements of the eyes, such as blinking and changing the size of the pupil. |
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| The area between the cerebrum and the midbrain are two major structures, the _____ and the _____. |
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Definition
| Thalamus and hypothalamus |
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| The ____ controls the ANS, blood pressure by regulating the heart, maintaining body temp, etc. |
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| Three membrane layers make up the _____, in which it has three layers: ____ ____, ____, ____ ____ |
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Definition
| Meninges: pia mater, arachnoid, and the dura mater |
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| Within the brain are several spaces or cavities called ____. |
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| The cavities within the brain and spinal cord are filled with a liquid called ____ fluid (CSF). The fluid acts as a watery cushion or shock absorber to provide additional protection for the delicate tissues of the CNS. |
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| In a ____, catheter is inserted into an artery and threaded up to the carotid artery in the neck. A dye is injected through the catheter to show the cerebral blood vessels when X-rays are taken. |
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| In a ____ ____, is an assessment tool used to describe the level of consciousness. Also known as the GCS. |
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| In a ____ ____ ____ (CAT scan) is a series of X-rays of layers of the brain to construct a three dimensional picture. This process takes about 15 minutes. |
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Definition
| Computerized Axial Tomography |
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| In a ____, (EEG) brain waves are measured by electrical signals, both normal and abnormal. |
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| In a ____ (EMG), it demonstrates the electrical activity of the peripheral muscles at rest and when activated, a small needle is inserted to the muscle. |
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| A ____ ____ is a spinal needle that is inserted into the subarachnoid space between the vertebrae of the lower back, and CSF is removed for examination. |
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| A ____ is a lumbar puncture that is performed to remove CSF and instills a dye to outline the spinal structures on X-ray. |
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| ____ disease is the most common form of dementia (loss of mental function). Currently, positive diagnosis of this disease is not possible until after death. |
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| ____ ____ ____ (ALS) is a progressive, fatal neurologic disease that causes degeneration of motor neurons of the brain and spinal cord. |
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Definition
| Amyotrophic Lateral Sclerosis |
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| ____ ____ affects the seventh cranial nerve of the face. The affected nerve causes weakness or paralysis on one side of the face, which causes the mouth to droop on the affected side. |
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| ____ is a severe brain inflammation that causes edema and nerve cell destruction. |
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| ____ is characterized by either petit or grand mal seizures. Grand mal seizures may last up to 5 minutes with convulsions, loss of control of bodily functions and unconsciousness. |
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| A ____ ____ is characterized by hands shake when trying to make movements, and the head may move in a yes-yes or no-no motion. |
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| A ____ headache is a severe throbbing vascular headache that occurs frequently within families. |
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| ____ ____ is an acute usually unilateral inflammation of the dorsal root ganglion. Shingles is also caused by this virus. |
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| ____ is characterized by an abnormally enlarged head. |
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| ____ is an inflammation of the meninges of the brain and spinal cord. It may be viral or bacterial. Known for showing high fever, chills, headache, and vomiting, and especially by positive Brudzinski's and Kernig's signs. |
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| ____ ____ is first diagnosed between the age of 20 and 40. |
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| ____ causes severe pain along the course of the involved nerve or nerves. |
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| ____ is a term used to describe the temporary or permanent loss of voluntary function in a portion of the body. |
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| ____ is a unilateral (one-sided) paralysis that follows damage to the brain. Damage to the right side of the brain causes left sided paralysis, whereas damage to the left side causes right sided paralysis. |
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| ____ is the loss of motor or sensory function in the lower extremities, usually from trauma, with or without involvement of the abdominal and back muscles. |
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| ____ is the devastating permanent paralysis affecting all body systems; the arms, legs, and all of the body below the level of the injury to the spinal cord. |
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| The main symptom of ____ disease are muscle rigidity and tremor of the hand, described as "pill-rolling". |
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| Symptoms of ____ syndrome occur in stages of severity, beginning with vomiting, lethargy, and liver dysfunction, which progresses to hyperventilation, delirium, hyperactive reflexes, and coma. |
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Definition
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| ____ is more common in men, and it involves a sharp, shooting pain that may begin gradually or abruptly and runs down the back of the thigh and into the lower leg. |
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Definition
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| Incomplete closure of one or more vertebrae without protrusion of the spinal cord is known as a ____ ____ defect. |
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| A ____ hemorrhage is caused by the spontaneous rupture of a weakened blood vessel. The patient may complain of a sudden, severe headache and experience nausea and projectile vomiting. |
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| A ____ ____ attack is a strokelike event that lasts from a few seconds to hours, but disappears after 12 to 24 hours. |
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Definition
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| ____ ____ is a disorder of the 5th cranial nerve, usually on one side of the face. Produces episodes of excruciating facial pain. |
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Definition
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| ____ can occur anywhere in the body, and vary with size, and usually produce symptoms like nausea, vomiting, headache, seizures, hearing changes, weakness, and many others. |
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