The practical nurse (PN) observes an unlicensed assistive personnel (UAP) obtain a client's vital signs. The PN should intervene when observing the UAP performing which technique?

Palpates brachial artery before inflating the blood pressure cuff.

Counts the client's respirations while palpating the radial pulse.

Asks the client to relax the arm before taking the blood pressure.

Inserts the thermometer into the sublingual pocket after the client sips water.