A nurse is caring for a client who is cyanotic and has a respiratory rate of 8/min with shallow respirations. Which of the following is the priority action by the nurse?

A respiratory rate of 8 breaths per minute with shallow respirations and cyanosis indicates severe respiratory distress or failure. In this situation, the client's oxygenation is compromised, and immediate intervention is needed to ensure an open and unobstructed airway. The nurse should prioritize ensuring the client has a patent airway by assessing for any airway obstruction and taking appropriate measures to clear the airway if necessary. This may involve techniques such as the head tilt-chin lift or jaw thrust maneuver. While administering oxygen, checking the client's pulse rate, and placing a pulse oximeter on the client's finger are all important interventions in managing respiratory distress, the first and most critical step is to establish a patent airway. Without a clear airway, the client's oxygenation cannot be adequately addressed, and other interventions may be ineffective. Once the airway is secured, the nurse can proceed with providing oxygen, assessing the client's vital signs, and monitoring oxygen saturation using a pulse oximeter.