Final answer:
To measure an infant's pulse, you would check the brachial artery on the inside of the upper arm by palpating it between the biceps and triceps muscles.
Step-by-step explanation:
For infants, you check their brachial artery located on the inside of the upper arm. When checking the pulse of an infant, the brachial artery is utilized because it is superficial and can be palpated easily. It is significant in the pediatric assessment of circulatory efficiency and vital signs. When measuring an infant's pulse, the brachial artery is typically chosen over the radial artery, which is more commonly used in adults. To palpate the pulse in an infant, place the tips of your fingers on the inside of the infant's upper arm between the biceps and triceps muscles and press lightly. This is a common practice in health settings to assess the heart rate and circulation of infants.