201 results found
Medical tests
… Test Overview An antinuclear antibody (ANA) test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune reaction). The body's immune system normally attacks and destroys foreign …
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
… Test Overview Chlamydia tests use a sample of body fluid or urine to see whether chlamydia bacteria ( … to find chlamydia infection. These tests use a sample of body fluid from areas such as the cervix, vagina, eyes, … or fluid (direct sample) collected from the area of the body that is most likely to be infected. If your test is …
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
… 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
… Sleep studies are tests that record what happens to your body during sleep. The studies are done to find out what's … sleep studies are: Polysomnogram. This test records several body functions during sleep, such as brain activity, eye … the flow of air through your mouth and nose, snoring, body muscle movements, and chest and belly movement. A …
Medical tests
… The thyroid gland makes hormones that regulate the way the body uses energy. The thyroid gland is a butterfly-shaped … and adults need the hormones to regulate the way the body uses energy ( metabolism ). Thyroid hormone blood tests … T4 is free. Free thyroxine affects tissue function in the body, but bound thyroxine does not. A total T4 blood test …
Medical tests
… or germ, that causes gonorrhea . Testing is done on body fluid or urine samples. Gonorrhea is a sexually … accurate. They can be done on urine samples or samples of body fluid from the area where the infection is suspected. … the bacteria that cause a gonorrhea infection. A sample of body fluid from areas such as the cervix, urethra, eye, …
