269 results found
Medical tests
… identifies substances called antigens on the surface of body cells and tissues. Checking the antigens can tell if … the immune system can tell the difference between normal body tissue and foreign tissue (such as tissue from another person's body). Tissue type helps find the best match for tissues or …
Medical tests
… the size, shape, and number of chromosomes in a sample of body cells. Extra or missing chromosomes, or abnormal … can cause problems with a person's growth, development, and body functions. Why It Is Done Karyotyping is done to: Find … can be done using almost any cell or tissue from the body. A karyotype test usually is done on a blood sample …
Medical tests
… problems in the belly. The image is done from outside the body. No instruments are inserted in the body. Doctors can use MRC to find gallstones before surgery … problems in the belly. The image is done from outside the body. No instruments are inserted in the body. Doctors can …
Medical tests
… linked when first made by the pancreas. Insulin helps the body use and control the amount of sugar (glucose) in the blood. Insulin allows glucose to enter body cells where it is used for energy. The level of … . C-peptide does not affect the blood sugar level in the body. A C-peptide test can be done when it is not clear …
Medical tests
… bladder instead of going through the urethra and out of the body. Check for structural problems of the bladder and … bladder instead of going through the urethra and out of the body. Check for structural problems of the bladder and …
Medical tests
… ulcers. Four tests are used to detect H. pylori : Blood antibody test. A blood test checks to see whether your body has made antibodies to H. pylori bacteria. If you have … people report that they feel as if they cannot breathe at times because of the tube in their throat, but this is a …
Medical tests
… baby has the enzyme needed to use phenylalanine in their body. Phenylalanine is an amino acid that is needed for normal growth and development. If a baby's body does not have the enzyme that changes phenylalanine … baby has the enzyme needed to use phenylalanine in their body. If this test shows that your baby has a phenylalanine …
Medical tests
… or urine. Ketones are substances that are made when the body breaks down fat for energy. Normally, your body gets the energy it needs from carbohydrate in your … diet does not contain enough carbohydrates to supply the body with sugar (glucose) for energy or if your body can't …
Medical tests
… jewellery or metal objects from around your neck and upper body. Needle biopsy A needle biopsy is done in a hospital, … jewellery or metal objects from around your neck and upper body. Needle biopsy A needle biopsy is done in a hospital, …
Medical tests
… the brain, and the adrenal glands . Catecholamines help the body respond to stress or fright and prepare the body for "fight-or-flight" reactions. The adrenal glands … is present. Any major stress, such as burns, a whole-body infection (sepsis), illness, surgery, or traumatic …