A nurse is assessing a client who has received oxycodone. The nurse notes that the client’s respiratory rate is BImin. The nurse should identify that which of the following is the pathophysiology for the client’s respiratory rate? Oxycodone blocks the sodium channel suspending nerve conduction. Oxycodone causes central nervous system depression. Oxycodone promotes vasodilation of cranial arteries. Oxycodone inhibits prostaglandin synthesis.