Category: C
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Challenge test
Administering a substance in order to determine its ability to cause a response, esp. the giving of an antigen and observing or testing for the antibody response.
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Challenge for cause
A request that a prospective juror not be allowed to serve for specific reasons or causes (e.g., concerns about potential bias or prejudice).
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Chair stand
The time it takes to rise from a seated position in a straight-backed chair to a standing position unsupported. The test may be performed in several ways. In one assessment the subject gets up from a chair five times, and the time it takes to complete these maneuvers is measured. In another assessment the number…
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Chain of survival
In emergency cardiac care, the idea that the survival of patients in cardiac arrest depends on the linkage of the following: 1. early access, 2. early CPR, 3. early defibrillation, 4. early advanced life support. If for any reason any one of these links is missing or delayed, the chance of survival decreases considerably.
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Chain reaction
A self-renewing reaction in which the initial stage triggers a subsequent reaction, which in turn causes the next, and so on. Process that joins together monomers to create very long polymer chains.
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Chain of custody
A verifiable procedure that links the collection of evidence (e.g., medical samples taken during a rape examination) with its shipping and handling and its eventual receipt by a clinical laboratory.
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Chain
A related series of events or things.
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Chagoma
A painful, red swollen lesion found at the site of inoculation of the parasite Trypanosoma into the skin.
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Chadwick’s sign
A deep blue-violet color of the cervix and vagina caused by increased vascularity; a probable sign of pregnancy that becomes evident around the fourth week of gestation.
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Cetirizine
A piperazine, administered orally to relieve allergic symptoms caused by histamine release, including seasonal and perennial allergic rhinitis and chronic urticaria. Its therapeutic classes are allergy, cold, and cough remedies, and antihistamines. An antihistamine medication is commonly prescribed to alleviate the symptoms associated with specific conditions like allergic rhinitis (hay fever) and urticaria (nettle rash).…