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.
Although all blood is made of the same basic elements, not all blood is alike. In fact, there are eight different common blood types, which are determined by the presence or absence of certain antigens â substances that can trigger an immune response if they are foreign to the body. positive is the most common blood type. Not all ethnic groups have the same mix of these blood types. Hispanic people, for example, have a relatively high number of Oâs, while Asian people have a relatively high number of Bâs. The mix of the different blood types in the U.S. population is: