A patient is obese. At the bedside is a standard-size blood pressure cuff. The nurse realizes that the use of this cuff will provide which of the following?

A falsely high reading if the cuff is too small.

A falsely low reading if the cuff is wrapped too loosely around the arm.

Accurate readings as long as it is 20% of the circumference of the midpoint of the limb.

Indistinct readings if the bladder encircles 80% of the adult's arm