Medical Definition of PULSE OXIMETER. : a device that measures the oxygen saturation of arterial blood in a subject by utilizing a sensor attached typically to a finger, toe, or ear to determine the percentage of oxyhemoglobin in blood pulsating through a network of capillaries and that typically sounds an alarm if the blood saturation becomes .... a device that measures the oxygen saturation of arterial blood in a subject by utilizing a sensor attached typically to a finger, toe, or ear to determine the percentage of oxyhemoglobin in blood pulsating through a network of capillaries.
Answer: The approximate distribution of blood types in the U.S. population is as follows: 1  O-positive: 38 percent. 2  O-negative: 7 percent. 3  A-positive: 34 percent. 4  A-negative: 6 percent. 5  B-positive: 9 percent. 6  B-negative: 2 percent. 7  AB-positive: 3 percent.
B Positive Relatevely Rare. B positive is one of the less common blood types; only 9 percent of people have it. The most rare type is AB negative, which only 1 percent have, and the most common is O positive, occurring in 38 percent of people. Some believe that people of certain blood types exhibit certain personality traits, somewhat like signs of the zodiac.