blood test
n.
- An analysis of a sample of blood, especially for diagnostic or therapeutic purposes.
- The process of obtaining blood for such a test: went to the clinic for a blood test.
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Results for blood test
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The noun has one meaning:
Meaning #1:
a serologic analysis of a sample of blood
Blood tests are laboratory tests done on blood to gain an appreciation of disease states and the function of organs. Since blood flows throughout the body, acting as a medium for providing oxygen and other nutrients, and drawing waste products back to the excretory systems for disposal, the state of the bloodstream affects, or is affected by, many medical conditions. For these reasons, blood tests are the most commonly performed medical tests. Blood is obtained from one of the patient's veins by venipuncture or fingerprick, except for tests such as Arterial blood gas.
Blood is useful as it is a relatively non-invasive way to obtain
cells, and extracellular fluid
(
The list below includes both specific tests, and general techniques.
A basic metabolic panel measures sodium, potassium, chloride, bicarbonate, blood urea nitrogen (BUN), magnesium, creatinine, and glucose. It also sometimes includes calcium.
While the regular glucose test is taken at a certain point in time, the glucose tolerance test involves repeated testing to determine the rate at which glucose is processed by the body.
While the above tests are all taken from venous blood, by contrast the arterial blood gas test is, as its name would suggest, taken from arterial blood, and is therefore more dangerous and uncomfortable.
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![]() | Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved. Read more | |
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![]() | Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Blood test". Read more |
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