You observe a technician using the thumb to assess a client's radial pulse. Which of the following is the most appropriate statement?
1. "That is a good technique to obtain an accurate pulse rate."
2. "The thumb should be used only to assess the brachial artery."
3. "Using your thumb will give you an inaccurate reading because the thumb has its own pulse."
4. "You should use the thumb and the first finger to assess the pulse rate."
ANS: 3
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