English textbooks

Does this test have other names? Strep test, throat culture, Streptococcal screen What is this test? This test looks for the bacteria that cause strep throat. This condition causes a severe sore throat and makes it painful to swallow. It’s…

What is beta thalassemia in children? Beta thalassemia is an inherited blood disorder. This means it is passed down through the parent’s genes. It is a form of anemia. Anemia is a low red blood cell or low hemoglobin level. Hemoglobin is part of red…

Does this test have other names? Carbon dioxide test, CO2 test What is this test? This test measures the amount of bicarbonate, a form of carbon dioxide, in your blood. Bicarbonate is also known as HCO3. It’s a byproduct of…

What is bicuspid aortic valve? Bicuspid aortic valve is a type of abnormality in the aortic valve in the heart. In bicuspid aortic valve, the valve has only 2 small parts (leaflets), instead of the normal 3. This condition can…

Buying the right bike It’s important that the bike your child rides is the right size. In addition, consider the following advice: The bike shouldn’t be too big or complicated. Your child should be able…

What is biliary atresia in children? Biliary atresia is a rare liver disease that occurs in newborn babies. It’s often found shortly after birth. The disorder affects tubes in the liver called bile ducts. If not treated with surgery, it…

Anatomy of the biliary system The biliary system consists of the organs and ducts that help to make and transport bile. These include the bile ducts, gallbladder, and related structures. The transportation of bile follows this sequence: When…

What is BPD/DS weight-loss surgery? Biliopancreatic diversion with duodenal switch (BPD/DS) is a type of surgery to cause weight loss. It’s also known as the duodenal switch. This type of bariatric surgery changes the size of your stomach and the…

Does this test have other names? Amniotic fluid bilirubin optical density, OD What is this test? This test is done to see how well your baby is developing inside you. The liquid that surrounds the baby inside your womb is…

What is biofeedback? Biofeedback is a mind-body approach that uses special monitoring devices to help you gain more control over certain body functions. Most often, the body functions that biofeedback targets are those that are not typically under voluntary control,…

What is biofeedback? Biofeedback is a method used to improve health by controlling certain body processes that normally happen involuntarily. People use devices that guide them to consciously regulate these body processes. The National Center for Complementary and Integrative Health…

What is biological therapy? Biological therapy is medicine that helps the body’s immune system fight cancer. It is also called: Your immune system works to protect and defend your body against foreign invaders, such as bacteria or viruses. The immune system…