88 results found
Medical tests
… it is either dissolved carbon dioxide gas (CO2) or carbonic acid (H2CO3). Your kidneys and lungs balance the levels of carbon dioxide, bicarbonate, and carbonic acid in the blood. This test measures the level of … as a buffer. It keeps the pH of blood from becoming too acidic or too basic. Bicarbonate is not usually tested by …
Medical tests
… put in your vein (IV). The camera will scan for radiation released by the tracer. The pictures are taken every few … pictures are taken. This causes your salivary glands to release more saliva. Then more pictures are taken. A … The tracer moves evenly through the salivary glands and is released normally into the mouth. The salivary ducts leading …
Medical tests
… . ACTH is made in the pituitary gland in response to the release of another hormone, called corticotropin-releasing … levels are often measured at the same time as ACTH. ACTH is released in bursts, so its levels in the blood can vary from … by a tumour in the lung. In response, the adrenal glands release too much cortisol (one form of Cushing's syndrome ). …
Medical tests
… bacteria react with sugars and starches in foods to make acids and other substances that can cause problems and damage the teeth, gums, and bone. Acids can eat away at tooth enamel by removing minerals from … breaks up the plaque and does not let the bacteria and acid cause problems. Why It Is Done Plaque forms on the …
Medical tests
… Overview An arterial blood gases (ABG) test measures the acidity ( pH ) and the levels of oxygen and carbon dioxide … between 7.35 and 7.45. A pH of less than 7.0 is called acid and a pH greater than 7.0 is called basic (alkaline). … But it can also be taken from an artery in the groin (femoral artery) or on the inside of the arm above the elbow …
Medical tests
… use phenylalanine in their body. Phenylalanine is an amino acid that is needed for normal growth and development. If a … the enzyme that changes phenylalanine into another amino acid called tyrosine, the phenylalanine level builds up in … use phenylalanine in their body. Phenylalanine is an amino acid that is needed for normal growth and development. If a …
Medical tests
… gland problems. TSH is produced when the hypothalamus releases a substance called thyrotropin-releasing hormone (TRH). TRH then triggers the pituitary gland to release TSH. TSH causes the thyroid gland to make two … gland problems. TSH is produced when the hypothalamus releases a substance called thyrotropin-releasing hormone …
Medical tests
… the bacteria to grow. When there are too many of them, they release harmful substances called toxins. When the toxins are released, the colon becomes irritated and swollen. This … the bacteria to grow. When there are too many of them, they release harmful substances called toxins. When the toxins …
Medical tests
… clarity (clear or cloudy), odour, concentration, and acidity (pH) of your urine. It also checks your levels of … clarity (is it clear or cloudy?), odour, and pH (how acidic or alkaline the urine is). Urine tests can also check … urine disease, when the body can't break down certain amino acids . Specific gravity Normal: 1.005–1.030 footnote 1 …
Medical tests
… glands to make too much male sex hormone. Infertility. Delayed puberty. Cushing's disease . A tumour in an adrenal … glands to make too much male sex hormone. Infertility. Delayed puberty. Cushing's disease . A tumour in an adrenal …
