An older client has been using cascara sagrada on a long-term basis. The nurse determines that which laboratory result is a result of the side

An older client has been using cascara sagrada on a long-term basis. The nurse determines that which laboratory result is a result of the side effects of this medication? a. sodium 135 mEq/L b. sodium 145 mEq/L c. potassium 3.1 mEq/L d. potassium 5.0 mEq/L