There are more than 100 types of HPV, the virus that causes warts. Almost all types of HPV cause relatively harmless warts that appear on your hands or feet. However, there are a few strains of HPV that cause warts on, in, and around your genitals.
Hemoglobin Test. Definition. Hemoglobin is a protein inside red blood cells that carries oxygen throughout the body. A hemoglobin test reveals how much hemoglobin is in a person's blood, helping to diagnose and monitor anemia and polycythemia vera.
The hemoglobin test may be ordered during a general health examination or when a person has signs and symptoms of a condition affecting red blood cells such as anemia or polycythemia. Some signs and symptoms of anemia include: 1  Weakness or fatigue. hemoglobin test may be used to: 1  Screen for, diagnose, and measure the severity of anemia (low RBCs, hemoglobin and hematocrit) or polycythemia (high RBCs, hemoglobin and hematocrit).