Which type of measurement could be performed with a stethoscope?

The use of a stethoscope is directly related to the ability to monitor heart sounds and assess various cardiovascular functions, which includes heart rate monitoring. When a healthcare professional uses a stethoscope, they can listen to the heart's rhythm, rate, and other acoustic characteristics, making it possible to determine how many times the heart beats per minute.

This measurement is crucial for evaluating a person's cardiovascular health and is a standard practice in many clinical settings. The stethoscope allows the practitioner to assess the intensity and quality of the heart sounds, which are indicators of heart function.

Other measurement types presented, such as an electrocardiogram, involve the use of specialized equipment that directly records electrical activity of the heart, which cannot be done with a stethoscope alone. Palpitation refers to the sensation of the heart beating in a noticeable or irregular way, and while feelings can be corroborated with a stethoscope, it does not constitute a measurement itself. Maximal exercise testing often requires sophisticated equipment to evaluate the cardiovascular response to exercise, which is also beyond the scope of what a stethoscope can provide.