Asking a patient, "Can you rate your pain on a 1–10 scale?" represents what part of the OPQRST question format?

How often should a massage practitioner wash his hands?

A) Before each massage session B) Before and after each massage session C) After each massage session D) Before and after each massage session, plus other times during the session as needed

Which of the following is found when a patient has sinus arrhythmia?

1. Rate decreases during expiration. 2. Rate decreases during inspiration. 3. Rate varies by more than 10% from beat to beat. 4. Rate increases during inspiration. a. 3 b. 2, 3 c. 1, 4 d. 1, 3, 4