Which of the following is a vital sign typically assessed by EMTs?

Blood pressure is a vital sign commonly assessed by EMTs because it provides critical information about a patient's cardiovascular health. It measures the force of blood against the walls of the arteries and can indicate several conditions, such as hypertension or shock. EMTs routinely monitor blood pressure to help assess the severity of a patient's condition, guide treatment decisions, and track changes over time during an emergency situation.

While height and weight can be relevant for certain assessments, they are not typically classified as vital signs. Age is also important in assessing a patient’s health profile, but it does not fall under the category of vital signs either. Vital signs primarily include measurements such as blood pressure, pulse, respiratory rate, and temperature, all of which provide immediate insights into the patient’s physiological status.