Where is an adult's pulse typically checked?

An adult's pulse is typically checked at the carotid artery because it is one of the most accessible and easily palpable sites on the body for assessing heart rate and rhythm in emergency situations. The carotid artery is located on each side of the neck, and it is a major blood vessel that supplies blood to the brain. Checking the pulse at this location allows lifeguards and first responders to quickly determine whether the individual has a heartbeat, which is crucial for assessing the effectiveness of circulation.

While the other options may also be used to assess pulse in different situations, they are not the primary choice for adults in most emergency scenarios. The brachial artery is more commonly used for infants, the femoral artery is less accessible and generally used in more specialized situations, and the radial artery is often used when the individual is conscious and responsive. For immediate assessments, especially in a lifeguarding context, the carotid artery is the preferred site.