English textbooks

What is candidiasis in children? Candidiasis is an infection caused by yeast called Candida. Candida normally causes no harm, and is found on the skin, vaginal area, and digestive system. But in some cases, it can overgrow. This can cause…

What are canker sores in children? Canker sores (aphthous ulcers) are small sores inside the mouth. They are often found inside the lips, on the back part of the roof of the mouth (soft palate), on the cheeks, or on…

Does this test have other names? Marijuana screen, drug abuse screening test (DAST), marijuana drug test (urine), drug abuse test  What is this test? This is a 2-part urine test to look for delta-9-tetrahydrocannabinol, or THC. THC is the active…

What is cannabis hyperemesis syndrome? Cannabis hyperemesis syndrome (CHS) is a condition that leads to repeated and severe bouts of vomiting. It is rare and only occurs in daily long-term users of marijuana. Marijuana has several active substances. These include…

What are CRE? Carbapenem-resistant Enterobacteriaceae (CRE) are a type of bacteria. They can cause serious infections that can be hard to treat. CRE got their name from the fact that they are resistant to carbapenems. Carbapenems are an advanced class…

Does this test have other names? Carbon dioxide content, CO2 content, carbon dioxide blood test, bicarbonate blood test, bicarbonate test What is this test? This test measures how much carbon dioxide is in the blood in your veins. When you…

Does this test have other names? CO blood test, CO blood gas What is this test? This test measures the level of carbon monoxide (CO) in your blood. Carbon monoxide is a colorless, tasteless, and odorless gas made by combustion.…

What is carbon monoxide poisoning? Carbon monoxide poisoning is a life-threatening emergency. It occurs from breathing in (inhaling) carbon monoxide (CO) fumes. What causes carbon monoxide poisoning? CO is a colorless, odorless, tasteless gas made when fuel burns. Fuels include…

What is carbon monoxide poisoning in children? Carbon monoxide poisoning is an illness that occurs from breathing in carbon monoxide (CO) gas. It’s a medical emergency and needs treatment right away. What causes carbon monoxide poisoning in a child? CO…

Does this test have other names? CEA What is this test? This test measures a protein called carcinoembryonic antigen (CEA) in your blood. This protein is found on some types of cancer cells. CEA is called a tumor marker because…

What is a carcinoid tumor? Cancer starts when cells change and grow out of control. The changed or abnormal cells often grow to form a lump or mass called a tumor. Cancer cells can also grow into (invade) nearby areas.…

Does this test have other names? CK, CK-MB, cardiac troponin T, troponin I, myoglobin, cardiac enzymes What is this test? This test measures the levels of cardiac biomarkers in your blood. These markers include enzymes, hormones, and proteins. Cardiac biomarkers…