The clinician wants to calculate Ann's BMI but she must first measure her height and weight. What should the clinician include when assessing Ann's weight in order to obtain the most accurate measurement?
Use a beam scale to measure Ann's weight and ask her to stand still while measuring.
Stethoscope
guage monitor

Option A

Explanation:

A beam scale is a device which is used measure the weight of the substance put on it. In order to weigh any of the substance it is being put on the balance.

To calculate the Basic metabolic rate (BMI) of the person first height and weight is measured. The height can be measured using scale or tape and the weight by bean balance.

So, a person should stand still on the bean balance for more accurate rate.So, the correct answer is option A.