A nurse assesses a client's respiratory rate and notes that it is below the expected reference range.

A nurse assesses a client's respiratory rate and notes that it is below the expected reference range. The nurse should identify that which of the following findings can cause a decreased respiratory rate?

A. The client has been a chronic smoker for 10 years.
B. The client takes a narcotic pain medication for chronic pain.
C. The client reports anxiety due to being in the hospital.
D. The client has a history of anemia.

Correct answer is option B. The client takes a narcotic pain medication for chronic pain.