NHA Phlebotomy Certification Practice Exam

What is the artery of choice for measuring pulse rate in an adult?

1. Carotid

2. Radial

3. Brachial

4. Temporal

The correct answer is: Radial

The radial artery is the artery of choice for measuring pulse rate in an adult because it is located close to the surface of the skin on the wrist, making it easily accessible for palpation. The pulse can be felt right beneath the skin, allowing for a quick and efficient assessment. This location provides a convenient and comfortable method for both the healthcare provider and the patient. In addition, the radial artery's characteristics—such as the consistency of the pulse pressure and the ability to easily count beats—make it ideal for routine checks. It's less invasive and indicates the condition of the cardiovascular system effectively. While the carotid artery is also a common site for measuring pulse, especially in emergencies or when other sites are not accessible, it is not typically the first choice for routine assessments due to its proximity to the trachea and potential discomfort. Other sites like the brachial artery are usually used for infants or in specific clinical situations, and the temporal artery may also be used but is less common than the radial artery for regular pulse checks in adults.