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Glossary |
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Glossary - N |
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Narcosis
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Narcosis- a drug (or other chemical)-induced drowsiness or stupor
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Narcotic
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Narcotic- an addictive substance that blunts the senses; can cause confusion, stupor, coma, and death with increased dosages
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Narcotic analgesics
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Narcotic analgesics- a type of painkiller that blocks the transmission of pain signals in the brain; often cause tolerance (the need for higher amounts of the drug to produce the same effect) and drug dependence
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Nausea
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Nausea- feeling the need to vomit
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Nebulizer
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Nebulizer- an instrument that provides a drug in its misted form through a face mask; used for severe asthma attacks and for children who have asthma but cannot use an inhaler
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Neonate
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Neonate- a term used to describe a newborn infant from birth to 1 month of age
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Nephropathy (neh-FROP-uh-thee)
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Kidney damage caused by high blood pressure or diabetes, diagnosed when protein is found in the urine
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Nerve
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Nerve- a bundle of fibers that transmit electrical messages between the brain and areas of the body; these messages convey sensory or motor function information
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Nerve Conduction Studies
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Nerve Conduction Studies- Tests to determine nerve function; can detect early neuropathy.
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Neuritis
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Neuritis- inflammation of a nerve, often characterized by pain, numbness, or tingling; also used to describe nerve damage and disease from causes other than inflammation
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Neurofibromatosis
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Neurofibromatosis- a condition in which connective tissue tumors occur on nerves in the skin
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Neuropathy
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Neuropathy- disease, inflammation, or damage to the nerves connecting the brain and spinal cord to the rest of the body
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Neuropathy (ne-ROP-uh-thee)
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Damage to the nerves of a person with diabetes. A risk factor for the disease is uncontrolled high blood sugars
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Niacin
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Niacin- a vitamin important in many chemical processes in the body; also known as vitamin B3
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Nicotine
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Nicotine- A chemical present in tobacco which is believed to be responsible for the harmful effects of tobacco abuse on heart and the circulatory system.
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Nitrates
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Nitrates- a group of drugs that widen blood vessels; used to treat insufficient blood supply to the heart (angina pectoris) and reduced pumping efficiency of the heart (heart failure)
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Nonsteroidal anti-inflammatory drugs
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A group of drugs that relieve pain and reduce inflammation
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Numbness
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Numbness- the lack of sensation in a part of the body because of interruption of nerve impulses
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Nystagmus
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Nystagmus- persistent, rapid, involuntary movement of the eyes
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