| SAST | Self-administered Alcoholism Screening Test; selective arterial secretin injection test; serum aspar... |
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| STD | selective T-cell defect; sexually transmitted disease; skin-to-tumor distance; skin test dose; sodiu... |
| STS | sequence tagged site; serologic test for syphilis; sodium tetradecyl sulfate; sodium thiosulfate; st... |
| TGT | thromboplastin generation test/time; tolbutamide-glucagon test |
| TTTT | test tube turbidity test |
| Wang's test | A quantitative test for indican, which is transformed into indigo-sulfuric acid and then titrated by a solution of potassium permanganate. (05 Mar 2000) |
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| Molisch's test | A colour test for sugar, which condenses with alpha-naphthol or thymol in the presence of strong sulfuric acid, which converts the sugar to furfural derivatives. (05 Mar 2000) |
| cock's comb test | A test for androgenic activity, based upon the stimulation of comb growth in capons (castrated cockerels) or immature roosters. Synonym: capon-comb-growth test, cock's comb test. (05 Mar 2000) |
| Moloney test | <investigation> Skin test for immunity to diphtheria in which active toxin is injected into one site and toxoid into another. This is to control for pseudopositive reactions to the toxin. (18 Nov 1997) |
| washout test | A means of estimating renal obstruction by the rate of disappearance of excreted radioactive material from the kidney. (05 Mar 2000) |
| Wassermann test | <investigation> A complement fixation test used to diagnose syphilis. (31 Dec 1997) |
| water-drinking test | A test of the assessment of open-angle glaucoma, measuring intraocular pressure after drinking a quart of water in five minutes. (05 Mar 2000) |
| coin test | In cases of a large pulmonary cavity or of pneumothorax, a clear metallic sound obtained by striking a coin, held against the chest, by another coin, or by flicking the chest wall with one's fingernail; the sound is heard on auscultating the chest wall on the same side anteroposteriorly. Synonym: anvil sound, bell sound, coin test. (05 Mar 2000) |
| cold agglutination test | <investigation> A test for blood antibodies which are present in certain peculiar types of pneumonia (atypical pneumonia, Mycoplasma) (27 Sep 1997) |
| cold bend test | A test of the ability of a wire to be shaped; performed by counting the number of times a wire can be bent to a right angle and reversed at the same point before breaking; important in establishing specifications for orthodontic wires. (05 Mar 2000) |
| cold pressor test | A cardiocirculatory challenge conventionally performed by immersing one hand in ice cold water for two or more minutes (as tolerated) to acutely raise the blood pressure, thus imposing resistance to ejection of blood from the left ventricle into the systemic arterial system and consequently acutely increased afterload (afterload = increased left ventricular wall stress). Synonym: Hines-Brown test. (05 Mar 2000) |
| Watson-Schwartz test | A qualitative screening test for diagnosis of acute intermittent porphyria by the addition of Ehrlich's reagent and saturated sodium acetate to the urine; a pink or red colour indicates the presence of porphobilinogen or urobilinogen; the former indicates porphyria, the latter does not; therefore, positive results require further differential extraction with butanol and chloroform to eliminate false-positive results due to urobilinogen. (05 Mar 2000) |
| college admission test | Test designed to identify students suitable for admission into a graduate or undergraduate curriculum. (12 Dec 1998) |
| Weber's test for hearing | The application of a vibrating tuning fork to one of several points in the midline of the head or face, to ascertain in which ear the sound is heard best by bone conduction, that ear being the affected one if the sound-conducting apparatus (middle ear) is at fault (positive test), but probably the normal one if the neurosensory apparatus is diseased (negative test). (05 Mar 2000) |
| Webster's test | A test for trinitrotoluene in the urine. (05 Mar 2000) |