A nurse is caring for a 6-month-old infant. Which of the following findings should indicate to the nurse that the client is experiencing pain following a procedure?

Rationale: A. Increased crying is a primary indicator of pain in infants, along with facial grimacing, irritability, and changes in behavior. B. Pain typically causes an increased, not decreased, respiratory rate due to distress. C. Pain usually results in tachycardia, not bradycardia. D. Pain often leads to decreased appetite or feeding difficulties, not increased formula consumption.